Authentication Error Occurred on Oppo A78 5G? 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 A78 5G 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 A78 5G 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 A78 5G 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 A78 5G Wifi problem (as it mostly happens on Android devices).

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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 A78 5G devices like Galaxy S8, S9, etc.
Easy-to-follow instructions provided on each of the screens.

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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.

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

Connect your Oppo A78 5G to the computer, and select “Android Repair” in the middle.

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

Next up, you should boot your Oppo A78 5G in download mode by following the on-screen instructions.

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

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 A78 5G 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 A78 5G 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.

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.

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.

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.

Modify network connection

If the above solution won’t work, then you would be required to walk the extra mile to fix the Oppo A78 5G 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.

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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.

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.

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.

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.

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.

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 A78 5G 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 A78 5G 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”.

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 A78 5G 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.

What To Do if Your Oppo A78 5G Auto Does Not Work

Embracing the convenience of Android Auto enhances your driving experience. It seamlessly connects your smartphone with your vehicle. However, in the realm of technology, glitches and malfunctions are commonplace. Android Auto, too, may encounter software or hardware issues that disrupt its functionality.

In this guide, you’ll delve into the common problems users face when Android Auto does not work and provide practical solutions to get you back on the road smoothly. From troubleshooting software glitches to addressing hardware concerns, this article aims to equip you with the knowledge to tackle Android Auto problems effectively.

Part 1. A Briefer on Android Auto

Android Auto is a revolutionary application designed to enhance the in-car experience by seamlessly connecting Android smartphones to compatible vehicles. It serves as a co-pilot, offering hands-free navigation, communication, and entertainment options, minimizing distractions while driving.

How Android Auto Works

Understanding the mechanics of this technology is essential for effective Android Auto troubleshooting. It mirrors your Android smartphone’s interface onto your car’s infotainment system. It provides a simplified and optimized version of your device’s features on the road.

Android Auto connects your smartphone to your car’s infotainment system via USB cable or wirelessly, depending on your device and car compatibility. Once clicked, it displays a user-friendly interface on your car’s screen, allowing you to access navigation through Google Maps, make calls, send messages, and control multimedia apps with voice commands or touchscreen gestures.

By integrating familiar smartphone functionalities into your car, Android Auto aims to provide a safer and more enjoyable driving experience, reducing the need for manual phone interactions while on the road. Understanding this foundation will empower you to effectively troubleshoot when issues arise.

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Part 2. Common Issues Android Auto Faces + Troubleshooting/Repair

Even if it is such a great technology, sometimes Android Auto won’t connect. It also deals with common issues that can affect its performance. In this section, you’ll delve into these challenges and equip you with practical troubleshooting solutions to fix your Android Auto experience.

Connection Issues

Connection glitches through Bluetooth or USB can cause Android Auto issues. USB connection problems often come from subpar cables.

The solution here is straightforward – invest in a high-quality USB cable. This ensures a stable link between your smartphone and the car’s infotainment system. Meanwhile, Bluetooth pairing problems may require a bit of digital maneuvering. Try restarting your phone, rebooting the car’s infotainment system, or resetting Bluetooth settings to establish a smooth connection.

App-Specific Problems (Certain Apps Not Working)

Android Auto relies heavily on various navigation, communication, and entertainment applications.

If specific apps refuse to cooperate, a quick remedy is to restart the head unit. If the issue persists, consider uninstalling and reinstalling the problematic applications. This step ensures a clean slate for the apps, potentially resolving any underlying compatibility or performance issues.

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Screen and Display Problems (Head Unit)

Issues with the screen or display on your car’s head unit can be disconcerting. To troubleshoot, commence with a simple restart of the head unit.

If the problem lingers, escalate the solution by restarting the entire car. Should these steps prove ineffective, seeking professional assistance at a maintenance center is advisable. This ensures a thorough examination and potential resolution of hardware-related problems, providing a comprehensive fix for persistent screen and display issues.

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Voice Commands Not Working

Voice commands serve as a cornerstone of the Android Auto hands-free experience. When they falter, it can disrupt the seamless interaction with the system.

Begin by scrutinizing your internet connection, as voice commands rely on a stable link to function effectively. If the issue persists, a basic restart of the head unit might recalibrate the system, restoring the functionality of voice commands.

Understanding that these issues are inherent to any technology, Android Auto users can confidently navigate and troubleshoot these problems with the provided solutions. By addressing these commonplace concerns, users empower themselves to swiftly overcome hurdles, ensuring a seamless and gratifying driving experience with Android Auto.

Part 3. A Quicker Solution: Wondershare Dr.Fone – System Repair

If navigating through various troubleshooting steps seems complicated, especially if the issue resides within your Oppo A78 5G, a swift and efficient solution comes in the form of Wondershare Dr.Fone - System Repair.

While the methods presented earlier primarily address software glitches, Dr.Fone can tackle more profound issues, offering a quick fix to revitalize your Android Auto experience. It is a comprehensive toolkit that caters to various Android needs, ensuring a seamless and optimized experience. Among its array of features, the System Repair feature in Dr.Fone acts as a reset button for your Oppo A78 5G.

It addresses issues that go beyond the scope of regular troubleshooting. It gives your phone a fresh start by repairing the Android system and resolving glitches, crashes, and other persistent software-related problems. This revitalizes your telephone and can significantly impact Android Auto’s performance.

Note: If the problem persists and is related to the car’s head unit, a visit to the maintenance center might be necessary after exhausting these software-based solutions.

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How To Use Wondershare Dr. Fone’s System Repair

To use Dr. Fone’s System Repair feature, follow the steps below. These steps will work with any Android phone.

Step 1: Begin by launching Dr.Fone on your computer. From the left panel, access the Toolbox menu and click System Repair. Ensure your Oppo A78 5G is connected.

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Step 2: On the subsequent screen, select Android as your device.

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Step 3: Initiate the Android System Repair by clicking Start.

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Step 4: Confirm the accuracy of your device details. If needed, edit any information that may be incorrect.

Step 5: Place your phone into Download mode following the guidelines tailored for phones with or without home buttons. Your phone will commence downloading the dedicated firmware.

Step 6: Once the firmware is downloaded, verify and proceed with the installation by clicking Fix Now. Confirm the firmware installation by inputting “000000” into the text box in the appearing window. Click Confirm afterward.

Step 7: Upon completion of the process, your phone should now be restored. Click Done to conclude.

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Conclusion

In wrapping up this guide, you’ve explored common reasons Android Auto does not work. You’ve also been provided practical solutions to keep your driving experience seamless. Remember, regular maintenance of your car’s head unit and periodic checks on your Oppo A78 5G can preemptively address potential issues.

By staying proactive, you ensure a consistently smooth ride with Android Auto. For comprehensive system repair and addressing broader Android-related needs, consider trying out Dr.Fone. It’s a versatile tool that can enhance your Android experience and keep your digital journey hassle-free. Take control of your drive and explore the full potential of your Oppo A78 5Gs with Dr.Fone today.

4 Solutions to Fix Unfortunately Your App Has Stopped Error on Oppo A78 5G

We often find people complaining, “Unfortunately Youtube has stopped”, “Unfortunately the internet has stopped” or “Unfortunately Netalpha has stopped”. An error that causes Apps to randomly stop working is experienced by users daily. This is a strange error as it occurs while you are using an App, and it suddenly stops working or crashes. You are brought back from the App screen to the Home Screen of your device with an error message saying: “Unfortunately, it has stopped working.”

Apps not working or stopped while working, such as unfortunately Netalpha has stopped or unfortunately the internet has stopped, is a very confusing error because one moment your App is running smoothly and the next moment it shuts down automatically with an error message. Unfortunately, Youtube has stopped working, Netalpha has stopped. Unfortunately, the internet has stopped, and many more such examples of Apps stopping while working normally are witnessed by users all over the world, and they are constantly on a lookout for solutions to fix such an error.

Read on to find out why exactly your App stops working suddenly and 3 of the best and most effective ways to tackle the problem.

Part 1: Why your App stops working suddenly?

Unfortunately, Youtube has stopped; unfortunately, Netalpha has stopped working, etc. are error messages that pop-up now and then while using Apps on Android mobile devices. It is important to understand that such errors are not App/Apps specific and may occur to any App/Apps. There is no one specific App or genre of Apps that face this problem.

The reason behind unfortunately internet has stopped or any other App which experiences such a glitch in data crash. A data crash is not a serious problem and only means a situation wherein an App, OS, or software stops working normally and exits abruptly. This may happen due to various reasons such as unstable internet connection, both cellular and WiFi. Another reason for Apps to stop working could be corrupted Cache files, which have not been cleared in a long time.

Many users also feel that incomplete or improper installation may cause the App to crash and stop working suddenly.

There may be many more reasons for them; unfortunately, App has stopped error to show up, but no one reason can be blamed for it.

Therefore it is important for us to carefully examine the problem and choose from the solutions given below to fix Unfortunately, Youtube has stopped; unfortunately, Netalpha has stopped; unfortunately, the internet has stopped and many other similar unfortunately App has stopped working errors.

Part 2: A One-Click Fix to ‘Unfortunately App has Stopped’

Fortunately, while this is an annoying problem that stops you from doing what you’re doing, the best way to eliminate this error is simply to repair the data glitch, thus preventing it from happening.

The easiest solution is to use a software application known as Dr.Fone - System Repair , a specialist piece of programming designed to help you fix your devices as quickly as possible.

If this sounds like the option you need to alleviate your, unfortunately, YouTube has stopped errors; this is how to use it.

How to Use Dr.Fone -Repair to Fix Unfortunately App has Stopped Error

Note: Please note that using this solution may rewrite and repair all data on your phone, meaning there is the potential to lose data during the process. Make sure you back up your device before continuing.

Step #1 - Acquire the Software

Head over to the Dr.Fone - System Repair website and download the software to your Mac or Windows computer.

Step #2 - Connect Your Android Device

Launch Dr.Fone and click the System Repair option from the main menu. Now connect your Oppo A78 5G using the official cable.

From the next menu, select the ‘Android Repair’ option and press ‘Start’.

Step #3 - Input Information & Repair

Tap in your phone information. This is to make sure your device is repaired correctly while minimizing the risk of bricking your device.

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Follow the on-screen instructions on how to then boot your Oppo A78 5G in Download mode.

Once booted, the software will verify your firmware and start repairing your device. Make sure your phone stays connected throughout the process, and you’ll be ready to go and your ‘unfortunately the internet [or another app] has stopped’ error should be erased!

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This could take some time, depending on your internet connection and speeds, so be mindful that everything stays connected.

Part 3: Fix your App has unfortunately stopped by clearing App Cache

Herein we bring to you 3 of the most effective remedies to combat the; unfortunately, App has stopped error, which has helped many users facing similar problems.

First among these is to clear the App’s cache. Clearing App Cache to fix Unfortunately Youtube has stopped, and such errors are very popular as it cleans your App/Apps by wiping off data that has been stored due to constant App usage, and it makes the App/Apps as good as new. It is advised to all users to clear the App cache regularly for Apps to function better.

Follow the steps given below to learn how to clear App cache:

• Visit “Settings” to find an option named “Apps”.

• Tap on “Apps” and look for the App which has suddenly stopped.

• Click the App name, say, for example, “Youtube” by scrolling down in “All” Apps.

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• From the options that appear, tap on “Storage” and then on “Clear cache” as shown below.

Clearing App cache is always a good idea as it prevents any errors which may be caused due to the cache being corrupt or too full. This method is likely to help you, but if the problem persists, read on to find out about 2 more solutions.

Part 4: Fix your App has unfortunately stopped by the fresh installation

Sometimes, unfortunately, Youtube has stopped; unfortunately, the internet has stopped, and such errors are caused due to improper or inappropriate App installation. It is mandatory to completely download the App from the Google Play Store and use it after it is successfully installed on your device.

Firstly, to uninstall all an existing App from your device, follow the instructions given hereunder:

• Visit “Settings” and search for “Application Manager” or “Apps”.

• Select the App you wish to uninstall, say, for example, “Messenger”.

• From the options that appear before you, click on “Uninstall” to delete the App from your device.

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You may also uninstall an app directly from the Home Screen (only possible in certain devices) or the Play Store.

To re-install the App, visit Google Play Store, search for the App name and click on “Install”. You will also find the deleted App in “My Apps and games” on your Play store.

This method has helped many and will be useful to you too. So don’t hesitate to try it. It may sound tedious and time-consuming, but it hardly takes 5 minutes of your time.

Part 5: Fix your App has unfortunately stopped by factory reset

Factory Reset must be used only when nothing else works. Please remember to take a back-up of all your data and contents on the cloud or an external memory device, such as a pen drive before adopting this method because the one you perform a factory reset on your device, all media, contents, data and other files are wiped out, including device settings. Do remember to back up the data on an Android device before performing a factory reset.

Follow the step-by-step explanation given below to factory reset your device to fix Unfortunately Youtube has stopped; unfortunately, the internet has stopped working and similar errors:

• Visit “Settings” by clicking the settings icon, as shown below.

• Now select “Backup and Reset” and move on.

• In this step, select “Factory data reset” and then “Reset Device”.

• Finally, tap on “ERASE EVERYTHING” as shown below to Factory Reset your device.

Note: Once the factory reset process is complete, your device will automatically restart and you will have to set it up once again.

Errors such as unfortunately, Youtube has stopped, unfortunately, Netalpha has stopped, unfortunately, the internet has stopped working and so on are very common these days. They disrupt the normal functioning of an App/Apps and prevent you from using the App/Apps smoothly. Unfortunately, App has stopped error is not a serious problem and does not mean there is a problem with the App, your Android OS version, or your handset. It is a random error which occurs due to various reasons in a given situation. If you experience such an error while sign in your favorite App/Apps, DO NOT panic as unfortunately, App has stopped error can be fixed easily. All you need to do is be patient with the App’s software and not try to launch it again and again once it crashes, and an error message pops-up. Just follow the methods listed and explained in detail in the previous segments to solve the problem of unfortunately App has stopped.

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Authentication Error Occurred on Oppo A78 5G? Here Are 10 Proven Fixes | Dr.fone