Authentication Error Occurred on Oppo K11x? Here Are 10 Proven Fixes | Dr.fone

Authentication Error Occurred on Oppo K11x? Here Are 10 Proven Fixes | Dr.fone

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Authentication Error Occurred on Oppo K11x? Here Are 10 Proven Fixes

There are times when users get an authentication error while they connect to a Wifi network. The problem is mostly found in Android whenever a device tries to establish a connection to Wifi. If your device is also experiencing an authentication problem Wifi, then don’t worry. It can easily be resolved. In this post, we will make you familiar with the root cause for the Oppo K11x Wifi problem and how you can resolve whenever authentication error occurred on your device.

Part 1: Any idea about the Wi-Fi authentication problem?

Wi-Fi authentication has to be done every time you wish to connect to a Wi-Fi network over your smartphone or laptop. To authenticate yourself and connect to the protected Wi-Fi network, you need to have the password of it. But if after you’re putting in the correct password and still experiencing the wifi authentication problem. Here’s what you need to know.

Authentication error occurs when the “deal” between the Wi-Fi router and device fails due to certain reasons. First, the Oppo K11x device sends the password of the network and the “connect” request in an encrypted format to the Wi-Fi router. Then, the router decrypts the password and compares the password saved on it. Now, if the password matches, it sends affirmation for the “connect” request, and then the Oppo K11x device is allowed to connect to the network.

Part 2: Why Authentication Error Occurred when Connecting to Wifi?

There could be plenty of reasons for facing an authentication error on your device. Most of the time, it occurs whenever a Wifi router seems to malfunction. Furthermore, if your phone has been recently updated, then chances are that there could be an issue with its drivers. A security attack can also make your device malfunction as well. An unstable connection or a router blockage can also be a reason for this issue.

In this scenario, whenever you try to connect to a Wifi network (even after supplying the correct password and username), it doesn’t connect to it. Instead, it displays an authentication error occurred promptly. Thankfully, there are plenty of ways to overcome the authentication problem Wifi. In the next section, we have provided three different solutions to fix the Oppo K11x Wifi problem (as it mostly happens on Android devices).

Part 3: 10 Solutions to Fix Wifi Authentication Error

Before we make you familiar with different fixes for the Wifi authentication error, it is important to check your router beforehand. Chances are that you could be getting the authentication error because your router is not functioning properly. You can restart it and try to connect any other device to it as well to check it. After making sure that there is no problem with your network or router, follow these suggestions to overcome the authentication error occurred issue.

Check if extra characters added in Wi-Fi password

Ensure that no other extra characters are being added in the Wi-Fi password while you’re entering it. Key in the password carefully while viewing the characters, and then check if the authentication error occurs or not.

One-Click to Fix Wifi Authentication Error by Android System Repair

Android system repair is considered the most effective way to fix Wifi Authentication Error. As the bottom-layer Android system files may be corrupted unconsciously with days of phone use, the Wifi Authentication Error may be one of the symptoms.

So Android repair requires programming knowledge to do it?

No! With Dr.Fone - System Repair (Android), you can do Android repair in just a few steps and get all issues like Wifi Authentication error fixed easily.

Dr.Fone - System Repair (Android)

An easy-to-operate tool to fix Android system issues like a Wifi authentication error

  • Fixes all Android system issues like a black screen of death, Wifi authentication error, etc.
  • One-click to fix the Wifi authentication error. No technical skills required.
  • Supports all the new Oppo K11x devices like Galaxy S8, S9, etc.
  • Easy-to-follow instructions provided on each of the screens.

3981454 people have downloaded it

Here are the steps to fix Wifi Authentication Error by Android system repair:

Note: Android repair is effective to permanently fix Wifi Authentication Error, but may wipe out the existing phone data. Backup all the important Android data to PC before you go on.

  1. After the Dr.Fone tool is downloaded, install, and launch it. You can see the following screen.

fix Wifi Authentication Error by android repair

  1. Connect your Oppo K11x to the computer, and select “Android Repair” in the middle.

fix Wifi Authentication Error by selecting option

  1. Select all the details that match your device, and click “Next”.

fix Wifi Authentication Error by selecting option by selecting device info

  1. Next up, you should boot your Oppo K11x in download mode by following the on-screen instructions.

fix Wifi Authentication Error in download mode

  1. Allow the program to download the corresponding firmware. After that, the Android repair will start and get the Wifi Authentication Error fixed in minutes.

Wifi Authentication Error fixing process

Use static IP address instead of DHCP

DHCP, or Dynamic Host Configuration Protocol is the default IP address assignment for the Wi-Fi settings on many devices. Whereas DHCP can cause IP address conflict during the dynamic IP address assignment. So, you’d better change “DHCP” to “Static” to see if the authentication error persists.

Step 1: Head to the “Settings” of your Oppo K11x and then opt for “Wireless and Networks” followed by “WLAN/WiFi”.

Step 2: Now, hit on the WiFi network that is showing “authentication error occurred”.

Step 3: Depending on your Oppo K11x model, look for “IP Settings” and tap on it. Now, switch the “DHCP” to “Static”.

Step 4: Note down the static IP address fields and wipe off all the fields. Punch it in again and then save it.

change dhcp settings of wifi

Check carefully for duplicate Wi-Fi names before you connect

Perhaps, you might connect to a WiFi with a similar name. There are good chances that some users do not modify their WiFi network name and possibly, your neighbor may have the same WiFi network, service provider. Therefore, ensure you connect to the correct WiFi network.

Reset the Wifi network

One of the easiest ways to fix the authentication problem of Wifi is to reset the network. To do this, you would be required to forget the respective network first and then connect to it again. This can be done by simply following these steps.

1. Firstly, you need to forget a Wifi network. To do it, go to your phone’s Settings > WiFi and network. From here, you can see a list of all the Wifi hotspots that your phone connects to. Select the network you wish to forget.

Select the network

2. When you would select a network, it will provide the basic information related to it. Just tap on the “Forget” button and agree to the pop-up message. This will erase the network’s information from your device.

tap on the “Forget”

3. Afterward, turn on your Wifi again and tap to the network you wish to connect to. Simply provide the credentials and tap on the “Connect” button to reestablish the connection. This way, you can reset the network successfully.

tap on the Connect button

Modify network connection

If the above solution won’t work, then you would be required to walk the extra mile to fix the Oppo K11x Wifi problem. After you reset a network connection, if still getting issues regarding the authentication of the network, you need to modify the connection. In this technique, you will be changing the IP settings on your phone to alter the way it establishes a secure connection. You can do it by following these steps.

1. To start with, visit your phone’s Settings and open the Wifi page.

open the Wifi page

2. This will display a list of all the Wifi networks that are associated with your device. Just long-tap on the Wifi network that you wish to modify. It will open another pop-up window. From here, tap on the option of “Manage network settings”. Sometimes, users also get an option of “Modify network settings” here as well. Simply select it to proceed.

Modify network settings

3. It will display basic information related to your Wifi network. Just tap on the “Show advanced options” button to access more options related to the network setting.

Show advanced options

4. From the IP Settings menu, change the field from DHCP to Static. This will let you establish a static connection between your device and the router.

change the field

5. As soon as you will change it to static, you will get different fields related to your network’s IP address, gateway, DNS, and more. Simply fill these fields and tap on the “Save” button once you are done.

fill these fields

Now, try to connect to the Wifi hotspot again. You would be able to overcome the authentication problem of Wifi.

Change Network Security Type

It has been observed that, when we connect to Wifi, our device chooses a wrong security type. This clashes with the default security protocol of the router and authentication error occurred due to this. If your device is facing the same issue, then it can be fixed by simply changing its security type. To do this, follow these instructions:

1. To change the security type of a network, you need to “Add the network”. If you already have the Wifi network saved, then simply forget the network by following the above-mentioned tutorial.

2. Now, turn on your device’s Wifi and tap on the option of “Add network”. Here, you would be asked to give a network name and select the security type. To manually select it, tap on the “Security” option.

tap on the “Security”

3. From here, you will get a list of various security protocols that you can pick. Select “WPA/WPA2-PSK” and save your selection.

Select “WPA/WPA2-PSK”

Now, try to connect to the network again. Most likely, it will let you fix the authentication error on your device.

Update Android firmware to the latest

There are instances where an outdated OS version of your Oppo K11x may create a hindrance in establishing a connection between your device and the WiFi network. You need to update your Android firmware to the latest version and then check if the problem persists or not.

Step 1: Launch “Settings” of your Oppo K11x and then get into the “About Phone” option.

Step 2: Now, opt for the “System Update” option. If the update is available, get your device updated to the latest OS version.

Restart the router and reset Android network settings

Sometimes, the WiFi router may hang up while establishing a connection and therefore, the wifi authentication problem occurs. Try restarting your Wi-Fi router and then check if your device connects successfully. If this doesn’t work, try to reset your Android Network Settings .

Bonus tip: Turn Airplane mode on/off

By simply turning on the Airplane mode (and later turning it off), you can easily fix the authentication problem Wifi most of the time. You can find a toggle button for Airplane mode on the notification bar of your phone. If you can’t find it there, then go to your phone’s Settings > Connection > More Networks and turn on the feature of “Airplane Mode”.

go to Connection

Let it do for a while. Afterward, turn it off and try to connect to the Wifi network again.

After following these quick and easy suggestions, you would be able to fix the Oppo K11x Wifi problem for sure. Even if you use any other Android device, then its authentication error can easily be resolved after these effective solutions. Go ahead and give these expert solutions a try and let us know about your experience as well. If you have any other solution to fix the authentication problem Wifi, then share it with us as well in the comments.

Google Play Services Won’t Update? 12 Fixes are Here on Oppo K11x

Google Play Services is a crucial component of any Android device, responsible for supporting various Google apps and services. However, at times, users may encounter issues with updating Google Play Services, preventing them from accessing the latest features and security updates.

It’s pretty much annoying when you try to launch Google Play Services but it isn’t able to operate correctly. You get some of the notifications like Google Play Services won’t run unless you update Google Play Services. On the other hand, when you start to update Google Play Services, you stuck again with the error pop-ups, and Google Play Services won’t update. This can create a lot of chaos in one’s life. So, what action should one need to take in such a situation? Well! You needn’t rankle more as we will explore some of the causes and tips to fix the issue. Keep reading!

fix google play services wont update

Part 1: Causes for Google Play Services Won’t Update Issue

Before diving into the solutions, it’s essential to understand the potential causes of the Google Play Services update problem. Let’s talk about the causes without further ado.

  • 1. Incompatibility with Custom ROMs: Using a custom ROM on your Oppo K11x can cause compatibility issues and prevent the installation of Google Play Services updates.
  • 2. Network connectivity issues: Poor or unstable internet connection can prevent the download and installation of updates.
  • 3. Insufficient storage space: When your device doesn’t have enough free space, it can hinder the installation of updates for Google Play Services.
  • 4. Excessive Installed Apps: a large number of installed apps on your device can exacerbate the update problem with Google Play Services.
  • 5. Cache Conflicts: Accumulated cache can lead to conflicts and cause issues with the updating process of “Google Play Services”.
  • 6. Outdated version of Google Play Store: If your device has an outdated version of the Google Play Store app, it may interfere with the update process for Google Play Services.
  • 7. Google Play Components: If certain components of Google Play Services are corrupted, it can contribute to update issues.

Part 2: One-Click Fix When Google Play Services Won’t Update

For those seeking a quick and effortless solution, several third-party tools offer one-click fixes for the Google Play Services update problem. These tools automate the update process, ensuring that you have the latest version of Google Play Services installed. However, it is crucial to use reputable and trusted tools to avoid potential security risks.

If you cannot update Google play services by the reason of custom ROM incompatibility or Google Play component corruption, there is a serious need of repairing firmware then. And to repair Android firmware, one of the expert ways is Dr.Fone - System Repair (Android) . This professional tool vows to bring your Oppo K11xs back to normal by fixing the issues with ease. Here are the advantages of this tool.

Dr.Fone - System Repair (Android)

Android repair tool to fix Google Play Services not updating

  • A completely user-friendly tool where no technical skills are needed.
  • All Android models are easily supported.
  • Any kind of Android issue like black screen , stuck in boot loop , Google play services won’t update, or app crashing can easily be resolved with these.
  • Full security is promised with the tool so there’s no need to worry about harmful activities like viruses or malware.
  • Trusted by a lot of users and carries a high success rate.

3,485,019 people have downloaded it

How to Fix Google Play Services can’t be installed using Dr.Fone - System Repair (Android)

  • Step 1: Install the Software

Initiate the process of downloading the software on your computer. Now, click on “Install” button and go along with the installation procedure. Click on “System Repair” option from the Toolbox window.

fix google play services not updating with Dr.Fone

  • Step 2: Device Connection

Now, taking the assistance of an original USB cable, connect your Oppo K11x to the PC. Then hit on “Start”.

connect android to fix google play services not updating

  • Step 3: Check the Information

You will notice the next screen which asks for some information. Please ensure to choose the correct device brand, name, model, career, and other needed details. Click on “Next” after this.

google play services not updating - enter details and fix

  • Step 4: Download Mode

You will now see some instructions on your PC screen. Just follow those according to your device. And then your device will boot in Download mode. Once done, hit on “Next”. The program will now download the firmware.

enter download mode

  • Step 5: Repair the Problem

When the firmware is downloaded completely, the program will automatically start getting fixed the issue. Wait for a while until you get the notification of the process completion.

restored android to normal

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Part 3: 10 Common Fixes When Google Play Services Won’t Update

Method 1. Restart your Android and try to update again

In most cases, restarting the Oppo K11x device can simply do the trick. When you restart the Oppo K11x device, most of the issues get eliminated making the Oppo K11x device perform better than before. Also, it is all about RAM. While you restart your device, the RAM gets cleared. As a result, the apps work properly. So, in the first place, we would like you to restart your Oppo K11x when you cannot update Google Play Services. Once restarted, try to update again and see if the results are positive.

Method 2. Uninstall Google Play Services Updates and Reattempt the Update

Uninstalling previous Google Play Services updates resolves conflicts and errors, often addressing the issue of updates. This process clears potential obstacles, enabling a successful update of Google Play Services. Here’s how you can do it:

  1. Open your device’s “Settings.”
  2. Scroll down and select “Apps” or “App Manager.”
  3. Locate and tap on “Google Play Services.”
  4. Depending on your device and Android version, you might need to tap on “App info” or “Storage.”
  5. Look for the option to “Uninstall updates.” This will revert Google Play Services to its original version.
  6. Confirm the action when prompted.
  7. Once the updates are uninstalled, go back to the Google Play Store.
  8. Search for “Google Play Services” using the search bar at the top.
  9. If an update is available, you’ll see the option to “Update.” Tap on it to start the update process.
  10. After the update is complete, restart your device to ensure the changes take effect.

Method 3. Update Google Play Store

Ensure that you have the latest version of the Google Play Store app installed on your device. Open the Play Store, go to Settings, and check for updates. Updating the Play Store can often resolve compatibility issues with Google Play Services updates.

Method 4. Google account and re-add it

Go to your device’s Settings, select Accounts or Users, and remove your Google account. Restart your device and add the account again. This process can refresh the connection and resolve update issues.

Method 5. Uninstall unnecessary apps

As we mentioned above, due to a lot of apps being installed at the same time, the issue can crop up. And hence, if the above solution didn’t help, you can try to uninstall the apps that you don’t need currently. We hope this works. But if not, you can go to the next fix.

Method 6. Clear Google Play Services cache

If still you cannot update Google Play Services, clearing cache can solve your problem. We also stated this in the beginning as the reason. If you don’t know, cache holds the app’s data temporarily so that it can remember the information when you next open the app. Many times, old cache files get corrupted. And clearing cache can also help in saving storage space on your device. For these reasons, you need to clear cache of Google Play Services to get rid of the problem.

Here is how to clear Google Play Services cache:

set correct date and time

  • Launch “Settings” on your phone and go to “Apps & Notifications” or “Application” or “Application Manager”.
  • Now, from all the apps’ list, choose “Google Play Services”.
  • On opening it, tap “Storage” followed by “Clear Cache”.

Method 7. Boot into download mode to clear cache of whole phone

If unfortunately, things are still the same, we would like to recommend you wipe the cache of the whole device to fix the issue. This is an advanced method to solve issues and is helpful when the Oppo K11x device is facing any flaws or malfunctions. For this, you need to go to the download mode or recovery mode of your device. Every device has its own steps for this. Like in some, you need to simultaneously press the “Power” and “Volume Down” keys. While in some, the “Power” and both “Volume” keys work.

This is how it works when Google Play Services can’t be installed on your device:

google play services not installing - wipe cache

  • Turn off the Oppo K11x device to begin with and then follow the steps for recovery mode.
  • On the recovery screen, use the “Volume” buttons for scrolling up and down and go to “Wipe cache partition”.
  • To confirm, press the “Power” button. Now, the Oppo K11x device will begin to wipe the cache.
  • Hit reboot when asked and the Oppo K11x device will now be rebooted finishing the issue.

Method 8. Check your Android storage

Generally speaking, Google Play Services can update automatically in the background. But if there is not enough storage on your Android, the automatic update may fail, so check your android space.

Method 9. battery optimization

Some devices aggressively optimize battery usage, which can interfere with the background processes required for updating Google Play Services. Disable battery optimization for Google Play Services in the Oppo K11x device’s Settings to ensure uninterrupted updates.

Method 10. Check date and time settings

Sometimes, incorrect date and time settings on your device can cause conflicts with Google Play Services updates. Ensure that your device’s date and time are set correctly and set to automatic. Follow the steps below to set the date and time on your android correctly.

set correct date and time

  • Open “Settings” and go to “General Management”.
  • Click “Date & time” and then enable “Automatic date & time”. Or you can disable and re-enable it.

Method 11. Factory Reset your Android

As a final measure, if everything went in vain, you can perform a factory reset on your device. This method will wipe away all your data while performing and make the Oppo K11x device go to factory state. Please ensure to keep backing up your important data if you are going to take the help of this method.

The steps are:

google play services not installing - reset factory settings

  • Open “Settings” and go to “Backup & Reset”.
  • Choose “Factory Reset” followed by “Reset Phone”.

FAQs about Google Play Services

To provide further clarity, here are some frequently asked questions about Google Play Services:

1. What is Google Play Services?

Google Play Services is a background service on Android devices that provides essential functionality and support for various Google apps and services. It includes features like authentication, push notifications, location services, and more, enabling seamless integration and enhanced performance for Google apps.

2. Why is it important to keep Google Play Services updated?

Keeping Google Play Services updated is crucial for several reasons. It ensures compatibility with the latest versions of Google apps, improves app performance, and enhances security. Updates often introduce new features, bug fixes, and optimizations, providing a better user experience and access to the latest advancements offered by Google.

3. Can I uninstall Google Play Services?

No, Google Play Services cannot be uninstalled as it is a core system component required for the proper functioning of Google apps and services. Removing or disabling it can lead to malfunctions and render many Google apps non-functional. However, you can disable specific permissions or clear its cache and data if troubleshooting issues related to Google Play Services.

4. How can I check the version of Google Play Services on my device?

To check the version of Google Play Services on your Oppo K11x, follow these steps:

  • Step 1. Open the Google Play Store app.
  • Step 2. Tap on the menu icon (three horizontal lines) in the upper-left corner.
  • Step 3. Scroll down and select “Settings.”
  • Step 4. Scroll to the bottom and find the “Play Store version” or “Play Services version”. The number displayed indicates the version of Google Play Services installed on your device.

5. Why is my device not compatible with the latest version of Google Play Services?

There can be several reasons why a device is not compatible with the latest version of Google Play Services. It could be due to hardware limitations, an outdated Android operating system version, or the Oppo K11x device no longer receiving official software updates. Compatibility requirements can change with newer versions of Google Play Services, and older devices may not meet the necessary criteria to support the latest updates.

Conclusion

Encountering difficulties when updating Google Play Services can be frustrating, but with the right approach, these issues can be resolved. By understanding the causes and implementing the suggested fixes outlined in this guide, you can overcome the Google Play Services update problem. Remember to prioritize storage space, ensure a stable internet connection, and keep your apps and system components up to date. By doing so, you can enjoy the full functionality of Google Play Services and benefit from the latest features and security enhancements.

What To Do When Oppo K11x Has Black Screen of Death?

Have you ever got the error of freezing the Android device home screen? Or the notification light keeps blinking without anything shown on display? Then you are facing Android black screen of death.

This scenario is common with many Android mobile users, and they always hunt for solutions to get rid of this Android black screen problem. Here are some more situations that can assure you that you are facing Android black screen of death.

  • The light of the phone is blinking but the Oppo K11x device is not responding.
  • The phone is hanging and freezing very frequently.
  • The mobile is rebooting and crashing more often and the battery is draining a lot faster.
  • Phone restarts on its own.

If you face these situations, you might be facing the Android black screen of death issue. Follow this article, and we’ll discuss how to get rid of this annoying problem at ease.

Part 1: Why Android device gets black screen of death?

Similar to the “Blue Screen of Death “ (BSOD) on computers, the Android Black Screen of Death indicates a severe system crash or malfunction. When this issue occurs, the Oppo K11x device’s display remains blank, and you are unable to interact with the Oppo K11x device, access apps, or perform any actions. The cause of the Android black screen of death can vary, but some common factors include:

  • Install incompatible apps or apps with bugs and viruses.
  • Have bugs or errors in the Android operating system.
  • Keep the mobile charged for long after it’s fully charged.
  • Use a non-compatible charger.
  • Use an old battery.
  • Incorrectly install or incomplete system updates.
  • Excessive heat due to heavy usage or environmental factors.

If you face the situations mentioned above, this is clearly a case of the Android screen black. But don’t worry about that. You can follow the article below to get rid of this situation on your own.

Part 2: How to rescue data when Android gets black screen of death?

This annoying Android black screen of death is making it impossible to access your internal data. So, the possibility is that you might lose all the data. We have a solution for all of your data recovery problems from a damaged Android device.

The solution for recovery data is the Dr.Fone - Data Recovery (Android) toolkit by Wondershare. This tool is highly appreciated worldwide and very popular for its feature-rich user interface. This tool can perform a lot of functions that can successfully recover the data from a damaged device.

Dr.Fone - Data Recovery (Android)

Use this revolutionary toolkit to get the data back from the black tablet screen of death. Connect the Oppo K11x device with the PC after installing this tool and follow the on-screen instruction, and all of your data will be transferred to your PC. Unfortunately, the tool is supported on selected Oppo K11x Android devices as of now.

Dr.Fone - Data Recovery (Android)

A Dedicated Tool to Retrieve Data from Broken Android Devices .

  • Recover data from broken devices or devices that are damaged in any other way, such as those has black screen.
  • Recover photos, videos, contacts, messages, call logs, and more.
  • Highest retrieval rate in the industry.
  • Compatible with most Oppo K11x devices.

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Part 3: 9 Solutions to fix the black screen of death of Android

3.1 One click to fix the black screen of death

Facing an Android device with a black screen of death, I believe, is one of the gloomiest moments of one’s life, especially for those who know little about the technical part of Android. But here is the truth we have to admit: most cases of the black screen of death arise due to system glitches in Android.

What to do? Shall we find someone who is tech-savvy to seek help? Come on, this is the 21st century, and there are always one-click solutions to deal with technical issues for laymen like you and me.

Dr.Fone - System Repair (Android)

Fix Black Screen of Death for Android In One Click

  • Fix all Android system issues like a black screen of death, OTA update failures, etc.
  • Update the firmware of Android devices. No technical skills are required.
  • Support all the new Oppo K11x devices like Galaxy S22, S23, etc.
  • Click-through operations to bring Android out of the black screen of death.

3,364,231 people have downloaded it

Here are the easy steps to get your Oppo K11x out of the black screen of death:

  1. Download and install the Dr.Fone tool. After launching it, you can see the following screen pop up.

    fix android black screen of death using a tool

  2. Select “System Repair” from the home page, and then click on the “Android “.

    fix android black screen of death by selecting the repair option

  3. Click “Start” to commence the Android system repair. In the next screen, select and confirm your Android model details like name, model, country, etc. and go on.

    choose android info

  4. Boot your Android into Download mode by following the on-screen demonstrations.

    boot to download mode to fix android black screen of death

  5. Then the tool will download the Android firmware and flash the new firmware to your Oppo K11x.

    fixing android black screen of death

  6. A moment later, your Oppo K11x will be repaired completely, and the black screen of death will be fixed.

    android brought out of black screen of death

Video guide: How to fix the Android black screen of death step by step

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3.2 Force restart your Oppo K11x

Because it is the quickest and most painless solution, most people do this when their Android phone screen goes black too fast. The majority of phone issues can be resolved by performing a hard reboot. Here are the necessary measures if you haven’t tried this method before.

To reboot your Oppo K11x, you may need to press a specific key combination, depending on the model you have, but most Android devices can be force restarted by doing the following steps:

Step 1: Press and hold the power button for about 10-15 seconds. Keep holding it until the Oppo K11x device restarts.

Step 1: For Oppo K11x devices, press and hold down the Power and Volume Down buttons for about 7 seconds.

force restart android

3.3 Check and clean your phone

This method might not be popular with Android users, but this can do wonders when dealing with an Android black screen of death issue. To do this, follow the steps provided below:

Step 1: Ensure your phone’s buttons and ports are not stuck before anything else.

Step 2: See if dirt prevents you from turning the Oppo K11x device on. Then, quickly press and release the button a few times.

Step 3: If the phone isn’t charging normally, ensure the charging port isn’t clogged with dust and debris by checking and cleaning it. You can gently blow out any debris in the charging port or use a wooden toothpick to pry it open.

Step 4: After you’re done with the cleaning, it’s best to charge the phone for at least 10 minutes. Just give it a quick charge and then try to restart it.

wa stickers

3.4 Remove the battery

If your phone’s battery is removable, you can try taking it out and trying again if restarting and cleaning it doesn’t fix the problem.

Step 1: To get started, take the phone apart by starting at the back.

Step 2: After 20 to 30 seconds, take out the battery and put it back in.

Note: When replacing the battery, ensure the metal contacts correctly connect to the phone.

remove battery of android phone

This easy and straightforward method should help you fix your Android screen black issue, but if it doesn’t, continue reading, as this article got more techniques you can try.

3.5 Recharge the Oppo K11x device

If your Oppo K11x screen suddenly goes black, let the battery die completely. Then once the battery is completely dead, you should plug it in to charge and turn it on by pressing the Power button. Try to check if you still encounter the issue after doing so.

3.6 Wipe cache partition to fix black screen of death

If your Oppo K11x turns on, but the screen remains black, clearing the cache partition should solve the problem. After all, keeping caches on your phone would cause it to run more slowly and cause other problems. Therefore, the issue can be resolved by clearing the cache partition. Check the following steps on how to do this below:

Step 1: Turn off your Oppo K11x.

Step 2: Boot the Oppo K11x device into Recovery Mode.

Note: The steps necessary to enter recovery mode will vary depending on your specific Android phone model. To ensure you’re doing the correct steps for your device, consult the user manual or look it up online. The following instructions work for Oppo K11x devices:

  • For older Oppo K11x devices with the home button: Press and hold the Volume Up button, the Power button, and the Home buttons simultaneously.
  • For newer Oppo K11x devices without the home button: Press and hold the Volume Up button and the Power button together.
  • If the Oppo K11x device logo appears, release your grip, and the phone will restart.

Step 3: Find the Wipe cache partition option using the volume controls after entering Recovery Mode.

wipe cache partition android phone

Step 4: Select Wipe cache partition by pressing the Power button.

Step 5: On the next screen, use the Volume Down button to highlight “Yes” and then press the Power button to confirm the cache wipe.

Step 6: The cache partition will be wiped, and you will see the “Cache wipe complete” message on the screen.

Step 7: Use the Volume Down button to navigate to the “Reboot system now” option and press the Power button to reboot your Oppo K11x device.

After rebooting, you can see that you have successfully got rid of the annoying Android black screen of death. For most of the cases, this method solves the problem. If not, you have to move to the next method.

3.7 Uninstall incompatible apps

Android screen black can be a result of installing a bug or incompatible apps. If you have recently installed an app that crashes frequently, that may be the reason for the issue. Uninstalling the app from the Oppo K11x device may solve the problem with ease. For doing this, you need to boot your device in Safe mode. Follow the below steps.

Step 1: Power down your device by pressing and holding the Power button until a menu appears.

Step 2: Navigate to Safe Mode by pressing and holding the Power Off button.

Step 3: Tap the “Safe mode” icon to enter Safe mode. You should now see Safe Mode at the Oppo K11x device’s bottom.

Step 4: After selecting Settings, head to the Apps section.

Step 5: Select the app by clicking on it; the App Info window should appear. To uninstall the app, tap the Uninstall option from the menu below the screen.

uninstall app on android phone

Step 6: Now restart the Oppo K11x device by pressing the power button and let it boot up in normal mode.

If the app is the reason for Android black screen of death, then after uninstalling, you can get rid of this issue. If not, now you have to factory reset your device to solve the problem.

3.8 Reboot to safe mode

Even after multiple attempts to launch them, certain applications act suspiciously and cause the Oppo K11x device to crash. When an Android phone suddenly goes black, you can often isolate the problem to a specific app by booting into Safe mode.

Step 1: Begin by restarting your phone. To do that, press the Power button until a menu appears.

Step 2: Press the Power Off button to enter Safe mode.

Step 3: Activate Safe mode by clicking the “Safe Mode” icon.

enter android in safe mode

Step 4: To return to Normal mode, turn off your device and then turn it back on.

3.9 Factory reset to fix Android black screen of death

The factory reset is the option that enables the factory state of your device by erasing all data, settings, bugs, and apps. Your device will be fresh like factory condition after this reset. Worth mentioning here, you’ll lose all the internal data and installed apps after this reset. So, to overcome the Android tablet black screen of death, you must perform this action as the last option. Follow the below steps carefully.

Step 1: Turn off the Oppo K11x device. Then press the Volume Up + Power button + home button (or press Volume Up + Power buttonS) altogether and let the mobile boot into recovery mode.

Step 2: After booting up in recovery mode, you can find the “Factory data reset” option. Navigate to that option with the volume up and down arrow and select it with the power button.

Factory data reset

Step 3: In this step, you need to confirm your action by tapping on the “Yes” option. After this, your device will start erasing. This may take a while to complete the whole process.

Now, your device will reboot automatically and you can see the Android black screen of death problem is solved.

Part 4: How to avoid Android black screen of death?

These are the general methods to overcome the situation of Android screen black. But to avoid this situation, here are a few tips to follow –

  • Install apps from trusted suppliers only.
  • Use security or antivirus software on your device.
  • Take a backup at regular intervals.
  • Always keep Android OS updated.
  • Don’t keep your mobile charged for a long duration after a full charge.
  • If your battery gets old, replace it soon.
  • Keep your device’s storage well-maintained. Regularly delete unnecessary data.
  • Close unused apps running in the background to conserve system resources.
  • Prevent phone overheating by avoiding excessive usage, and not exposing it to direct sunlight for extended periods.

By following these steps, you should avoid the most unpleasant situations, such as the Android screen black. We all know that “Prevention is always better than cure”.

The Bottom Line

There could be a lot of reasons why an Android black screen issue occurs, but the important thing is knowing the correct ways how to fix it. And this article has covered nine proven methods to help you fix an Android phone screen black problem.

But among the methods discussed above, Dr.Fone – System Repair just stood out as this program does not only help you with a black screen of death problem, but it covers many other Android system issues too. It’s also a highly intuitive program that requires no skills to operate.

safe Downloadsafe & secure


  • Title: Authentication Error Occurred on Oppo K11x? Here Are 10 Proven Fixes | Dr.fone
  • Author: Ariadne
  • Created at : 2024-03-19 22:26:12
  • Updated at : 2024-03-21 17:24:14
  • Link: https://howto.techidaily.com/authentication-error-occurred-on-oppo-k11x-here-are-10-proven-fixes-drfone-by-drfone-fix-android-problems-fix-android-problems/
  • License: This work is licensed under CC BY-NC-SA 4.0.
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Authentication Error Occurred on Oppo K11x? Here Are 10 Proven Fixes | Dr.fone