How to Flash Dead Oppo K11 5G Safely

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A phone is considered to be dead when it becomes completely unresponsive and refuses to switch on. Similarly, an Android phone is said to be dead when it does not boot up. You may try to switch it on several times by pressing the power button but in vain. You will see no sign of the phone’s logo or anything like a welcome screen. The Android phone’s screen remains black and does not illuminate when you try to turn it on. Interestingly, even when you charge this dead device, it does not show that it is getting charged.

Many people regard this as a battery issue, and many think of it as a temporary software crash. Some users also seem to believe that this is because of a virus attack. However, if you are looking for ways that tell how to fix a dead Android phone, you must understand that a dead phone or device can be cured by flashing custom firmware safely. If you are keen to know how to flash a dead Android phone or how to flash dead Android phones using PC, here are ways to help you.

Given below are eight techniques to flash your Oppo K11 5G safely, depending upon which phone you are using. It may seem time-consuming and tedious, but we can assure you that it works. So, move ahead and read on to learn about flashing new firmware, your Oppo K11 5G, MTK Android, and Oppo K11 5G safely.

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Part 1: Can a Dead Phone Be Flashed?

Flashing a dead Android phone might be skeptical for many users who have been in such a situation. Although it is possible to flash a dead Android phone, it is essential to be aware of the reasons that lead you into such a situation. Before a remedy, diagnosing the problem is a necessity for retaining the Oppo K11 5G device.

From battery issues to physical damage to the Oppo K11 5G device, there can be many reasons your Oppo K11 5G died. The reasons for a dead Android phone are not restricted to these points. There can be software-related issues or firmware issues that might cause such havoc on your Android.

Part 2: How to flash Oppo K11 5G in one click

While you are worried about how to flash Oppo K11 5G instantly with a single click, Dr.Fone - System Repair (Android) swiftly makes its way with a galore of options for you. This amazing tool from Wondershare can fix a plethora of Android system issues such as crashing of apps, black screen of death, failed system update, etc. Moreover, it can also get your device out of boot loop, unresponsive bricked Android mobiles as well as stuck at the Oppo K11 5G logo.

Dr.Fone - System Repair (Android)

One-click solution to flash Oppo K11 5G

The high success rate in fixing Oppo K11 5G Android devices.
All the latest Oppo K11 5G devices are supported by this software.
One-click operation of this tool helps you how to flash Oppo K11 5G easily.
Being very intuitive, it doesn’t need you to be tech-savvy to use this software.
It is one of its kind and the first one-click Android repair software on the market.

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Step-by-step Tutorial

We are going to explain how to flash a dead Android phone using a PC using Dr.Fone - System Repair (Android)

Note: Before you understand how to flash Dead Android phone, take a backup of your data and then proceed to avoid any data loss.

Phase 1: Prepare your Oppo K11 5G

Step 1: Once you have downloaded and installed Dr.Fone, launch it. From the main menu, tap on ‘System Repair’ and get your Oppo K11 5G connected to it.

Step 2: Click ‘Android Repair’ from the available options, and then press the ‘Start’ button to fix the Dead Android phone by flashing it.

Step 3: On the Oppo K11 5G device information screen, pick the appropriate device brand, name, model, and other details followed by tapping the ‘Next’ button.

Phase 2: Put the Android device in Download mode to start repair.

Step 1: It is essential to boot your Oppo K11 5G in Download mode before repairing.

If the Oppo K11 5G device has a ‘Home’ button: Turn it off and then hold down the ‘Volume Down’, ‘Home’, and ‘Power’ buttons altogether for 5-10 seconds. Un-hold all of them and hit the ‘Volume Up’ button for entering ‘Download’ mode.

In the absence of a ‘Home’ button: Switch off the Android device and hold the ‘Volume Down’, ‘Bixby’, and ‘Power’ buttons for 5 to 10 seconds, then release them. Hit the ‘Volume Up’ button for entering the ‘Download’ mode.

Step 2: Press the ‘Next’ button for initiating firmware download.

Step 3: Once the firmware gets downloaded and verified Dr.Fone - System Repair (Android) starts to flash your Dead Android phone. All the Android system issues will be fixed soon after.

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Part 3: How to flash Oppo K11 5G dead phone with Odin?

In this segment, we will learn how to fix the dead Android phone, i.e., Oppo K11 5G phones using Odin software. Odin is software used internally by Oppo K11 5G to generally unblock devices and perform a more utility-based job, namely, flashing new firmware in place of the old one. There are different variants available, so choose the one which is supported by your Galaxy phone. Here is a step-by-step explanation of how to flash dead Android phone (Oppo K11 5G) using Odin software.

Step 1: Install the driver software on the computer. You can find the best driver software for your device and PC on the official Oppo K11 5G website. You may also download Oppo K11 5G Kies on your PC. Once you have downloaded and installed the driver software, restart the PC.

Step 2: Now download suitable firmware for your device in the form of a zip folder that you can open and store on your desktop.

Make sure the file is .bin, .tar, or .tar.md5 only as these are the only file types recognized by Odin.

Step 3: In this step, download the latest version of Odin on your PC and move it to the desktop, and then right-click on the downloaded Odin file to select “Run as Administrator”.

Step 4: Now, boot your dead device to Download Mode by pressing the power, volume down, and home button together. When the phone vibrates, release the power button only.

Step 5: Gently press the volume up button, and you will see the Download Mode Screen.

Step 6: Now, you may use a USB to connect your Oppo K11 5G to the PC. Odin will recognize your device, and in the Odin window, you will see a message saying “Added”.

Step 7: In this step, find the tar.md5 file you downloaded by clicking on “PDA” or “AP” on the Odin window and then click “Start”.

Finally, once the flashing process is complete, your Oppo K11 5G phone will reboot and start normally, and you may see a “Pass” or “Reset” message on the Odin window on the PC.

Part 4: How to flash MTK Android dead phone with SP Flash tool?

SP Flash tool, also known as SmartPhone Flash tool is a popular freeware tool used to flash custom ROM or firmware in MTK Android phones. It is a very successful tool and is extremely easy to use.

Let us look at the steps given below to learn how to flash dead Android phones using PC with the help of the SP Flash tool.

Step 1: To start with, download and install the MTK driver on your PC and then download the ROM/firmware you wish to use for flashing purposes.

Step 2: Once done, you should download the SP Flash tool and extract it on your PC and move on to launch the Flash_tool.exe file to open the SP Flash tool window.

Step 3: Now, on the SP Flash tool window, click on “Download” and select “Scatter-loading”.

Step 4: The last step would be to locate the file downloaded by you and click “Open” and then finally, select “Download” on the SP Flash tool window.

After completing the above steps, connect your dead device to the PC with a USB cable and wait for it to get recognized. The flashing process will take a few minutes to finish and then you will see a green circle indicating “OK Download”.

That’s it! Now simply disconnect your phone and wait for it to reboot.

Part 5: How to flash Oppo K11 5G dead phone with the Phoenix tool?

Phoenix tool, better known as PhoenixSuit, is a tool similar to the SP False tool and Odin. It works very well with Oppo K11 5G and is the best answer to “How to fix dead Android phone?”, “How to flash dead Android phone using PC?”, etc.

Let’s look at the steps of flashing the Oppo K11 5G dead phone with the Phoenix tool.

First, download and install the Oppo K11 5G PC Suite driver on your PC. Then you will need to download the PhoenixSuit tool and then launch it.

Now, on the toolbar, click “Tools” and select “Data Package Download” from the drop-down list.

Then move to download the firmware for your dead Oppo K11 5G and save it in a new Folder. Once done, go back to the Phoenix tool window and click on “File” and select “Open Product”.

Simply, feed in the details and then click “OK”.

After this, click on “Flashing” and select “Firmware update” and then browse to select the appropriate product code and then click “OK” again.

Then move on to select “Dead Phone USB Flashing” from the Firmware Update Box.

Lastly, just click on “Refurbish” and connect your phone to the PC using a USB cable.

That was it, the flashing process may take up to a few minutes after which your dead Oppo K11 5G will restart automatically.

Part 6: How to flash a dead phone that won’t turn on via factory reset?

Using tools for flashing Android devices can be a solution; however, it is heavily restricted to the Oppo K11 5G device models. For a generalized solution, there can be other options that you can go with. Factory resetting an Android device by putting it in Recovery Mode is one way. To know how to flash a dead Android phone using factory reset, go through the steps featured below:

Step 1: To initiate the process, you will have to put your Oppo K11 5G in Recovery Mode. Generally, Android phones are put in Recovery Mode by holding the “Power” and “Volume Up” keys for a few seconds after turning them off. The key combinations can vary according to your Oppo K11 5G.

Step 2: As the Android boot menu opens on your screen, use the “Volume Down” and “Volume Up” keys to scroll up and down the menu. On accessing the “Wipe Data/Factory Reset” option, use the “Power” key to select the particular option.

Step 3: Continue to select the “Yes” option for confirming the factory reset of the Android device. The phone will automatically reboot after successfully factory resetting.

Part 7: How to flash a dead Android phone by checking screen faulty

The screen of your Oppo K11 5G may be faulty, due to which it is not launching. While seeking the right way of how to fix a dead Android phone, you can force restart your phone using the Volume buttons according to your device model.

If the Android vibrates on restarting and the screen does not lighten up, the problem can be directed to a hardware fault. The screen is broken and needs physical assistance to resolve the issue.

Part 8: How to fix a dead Android phone by changing the battery

Another solution that can help you fix the dead Android phone is changing its battery. The battery of an Android device can last up to 3 years. When its capacity drops to a bare minimum, it is best to change the battery of your Android. Upon trying to restart your Oppo K11 5G, if it does not, you might need to replace your battery. All Android phone batteries are removable, which should be regulated with proper supervision.

Part 9: How to repair dead Android phone by contacting official support

If you are unable to discover any proper solution for how to flash dead Android phones, you might have to consult the respective customer support of the Android phone manufacturers. Consult customer support to discover why the phone is dead and how it can be flashed. The respective personnel will assist you in resolving the issue, which might require monetary input from your side.

Conclusion

A dead Android phone might be the cause of worry, but the techniques given above to flash your dead Android device safely are very helpful. These methods have been tried and tested by users all over the world and thus, we recommend them to you. If your phone is dead or has become unresponsive, do not panic. Depending on your phone’s brand, here are ways to guide you on how to fix the dead Android phone and how to flash dead Android phone using PC.

It has been observed that Wondershare Dr.Fone – System Repair (Android) assists in the best way. Resolve all your concerns involving your dead Android phone and flash it to make it operable again.

Carefully follow the instructions given, and you will be able to reboot your dead Android phone successfully.

Strategies for Apps That Won’t Download From Play Store On Oppo K11 5G

The frustration of apps not downloading in the Google Play Store can annoy users. A seamless download experience is crucial for user satisfaction and app success. When you encounter such issues, they disrupt the interaction expected from your device.

The inconvenience can impact user trust and the overall perception of an app’s reliability. Addressing these challenges is crucial to maintaining a satisfied user experience and ensuring the success of apps on the platform. Explore the article below to learn what to do when apps not downloading from the Play Store issue appears.

Part I. 7 Usual Reasons Behind Apps Not Downloading in Google Play Store

The reasons below collectively contribute to the frustration users experience when apps are unable to download from the Play Store:

Connectivity Issues

Slow or unstable internet connections can interfere with the download process. It often leads to failed or delayed app installations. You will experience frustration when faced with connectivity issues, impacting your ability to access desired apps.

Insufficient Storage

Limited available storage on the Oppo K11 5G device prevents the installation of new apps. Users may find it challenging to manage their storage effectively. It can hinder the expansion of your app library and impact the overall device functionality.

Outdated Play Store Version

Running an outdated version of the Play Store can cause compatibility issues with the newest versions of apps. You’ll miss out on new features and improvements, affecting the overall user experience and the efficiency of the Play Store.

Google Account Authentication Problems

Issues with verifying Google accounts can restrict access to the Play Store. It prevents you from downloading or updating apps. Authentication problems pose a significant barrier, impacting your ability to stay current with app versions.

App Download Restrictions

Device settings or parental controls may impose restrictions on certain app downloads. You may encounter limitations in accessing specific apps. It can affect the Oppo K11 5G device’s versatility.

Incorrect Date and Time Settings

Inaccurate date and time settings on the Oppo K11 5G device can disrupt the Play Store’s functionality. You’ll face obstacles in downloading apps due to authentication errors or syncing issues. It can have a negative impact on the overall user experience.

Play Store Bugs and Glitches

Technical issues within the Play Store, such as bugs or glitches, can lead to failed downloads. You may encounter unexpected errors, causing uncertainty and potential distrust in the reliability of the app platform.

If you encounter any of these issues, having a reliable tool to fix them is essential. Wondershare Dr.Fone - System Repair offers a solution if you cannot download from the Play Store. The platform ensures you can download apps again with a high success rate in minutes.

Part II. Having a Third-Party Tool Is Essential To Safeguard Your Apps

Dr.Fone - System Repair is a dependable alternative offering a comprehensive solution to various Android-related problems. Its key features set it apart, making it an essential asset for users facing app download challenges.

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Key Features

The summarized points show why Dr.Fone is a flexible and powerful tool for Android users with various phone models.

Supports up to 1000+ Android Models

Dr.Fone System Repair boasts compatibility with a vast range of Android models. It provides a universal solution for users regardless of their device. The extensive support ensures that users with diverse Android devices can rely on the tool for effective issue resolution.

Fixes All Kinds of Android Problems in Minutes

The tool is designed to address a wide array of Android problems. Whether it’s connectivity issues, authentication problems, or glitches within the Play Store, Dr.Fone - System Repair solves these issues within minutes. Its efficiency in tackling diverse problems makes it a valuable asset for users seeking a quick and reliable solution.

High Success Rate Without Data Loss

One of the standout features of Dr.Fone - System Repair is its high success rate in problem resolution without causing data loss. You can have confidence that your apps and important data remain intact throughout the repair process. It ensures a smooth solution and maintains the integrity of the user’s device and data.

When grappling with persistent issues hindering app downloads on the Google Play Store, having a reliable third-party tool becomes essential to safeguard your apps and ensure a seamless user experience. The next section will show you how to use the platform to fix the apps not downloading in the Google Play Store problem.

Part III. First Choice: Use Dr.Fone - System Repair for App Downloading Issues

Using Dr.Fone - System Repair to resolve app downloading issues is straightforward. Here are three simple steps to effectively address app-related challenges:

**Note:**It is highly recommended that you back up your Android data before using Dr.Fone for Android repair.

Step 1: Download and install Dr.Fone - System Repair on your computer. Launch the program and select System Repair from the available options.

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Step 2: Connect your Oppo K11 5G to the computer using a USB cable. Dr.Fone will detect your device, and you’ll be prompted to choose your device’s type. Select Android Repair.

Step 3: Follow the on-screen instructions until the app downloads the correct firmware for your device. As it downloads, Dr.Fone will verify it and put your device details on display. You can install the firmware on your Oppo K11 5G by choosing Fix Now.

Step 4: Initiating the system repair process will be accompanied by a progress bar visible on the screen. Upon completion, a prompt window will emerge, presenting a completion message.
If you can download apps successfully, click Doneto close the tool.
If the problem persists, select TryAgain to rerun the process.

If you can’t download Dr.Fone for some reason, you can try these common fixes to try to resolve your app download issues on your device

Part IV. 8 Other Methods of Resolving Common App Downloading Issues

Here are 8 other methods to troubleshoot and resolve common app downloading problems:

Check Internet Connection

A stable internet connection is essential for downloading apps. Do an Internet signal check to ensure you are connected to a reliable Wi-Fi network or have a strong mobile data signal. If the connection is weak, consider switching to a more robust network.

Free Up Storage Space

Insufficient storage on your device can hinder app installations. Navigate to the Oppo K11 5G device settings, access the Storage section, and clear unnecessary files or apps. Creating more space ensures a smoother download experience.

Update the Play Store

An outdated Play Store version may lead to compatibility issues. Open the Google Play Store, go to Settings, and tap the Play Store version. If an update is available, install it to ensure compatibility with the latest apps.

Clear Play Store Cache and Data

Cached data in the Play Store can sometimes cause download problems. Head to the Oppo K11 5G device settings and open Apps or Application Manager. Locate Google Play Store, and tap Storage. Clear both the cache and data to refresh the app.

Verify Google Account

Authentication issues with your Google account can prevent app downloads. Confirm that your Google account is properly verified. Go to the Oppo K11 5G device settings, select Accounts, and ensure your Google account is active and synced.

Check Date and Time Settings

Incorrect date and time settings may disrupt the authentication process. Verify that your device’s date and time are set correctly. Enable automatic date and time settings to ensure accuracy.

Review Download Restrictions

Device settings or parental controls might impose restrictions on certain app downloads. Examine the download restrictions in the Oppo K11 5G device settings and adjust them accordingly to allow for the installation of desired apps.

Restart the Oppo K11 5G device

Sometimes, a simple restart can resolve various issues. Power off your device, wait a few seconds and then power it back on. This can help refresh system processes and eliminate temporary glitches.

Conclusion

Ensuring a smooth app download experience demands attention to various factors. From connectivity to storage management, each step contributes to resolving download challenges. The careful review of date/time settings and download restrictions further enhances the process when you cannot download from the Play Store.

For persistent issues, consider Dr.Fone - System Repair. The app is a viable option, providing a comprehensive approach. Embracing these measures ensures you can easily fix apps that won’t download from the Play Store. Having a reliable tool beside you also fosters an uninterrupted and enjoyable downloading journey from the Play Store.

How to Quickly Fix Bluetooth Not Working on Oppo K11 5G

One of the key features of an Android device these days is the Bluetooth technology. This is such an important part of the phone that many of us take for granted, but as soon as the feature stops working, it can cause all kinds of problems.

Fortunately, despite there being many reasons why a problem could occur to your Bluetooth feature, there are also plenty of fixes. Today, we’re going to share with you the complete guide that details everything you need to know to get your Bluetooth up and running once again as quickly as possible.

Let’s get straight into it!

Part 1. About Bluetooth Not Working on Android

Of course, the most common problem to occur with Bluetooth technology in your Oppo K11 5G is when it doesn’t connect to the Oppo K11 5G device you’re trying to link it to. This could be anything from a Bluetooth headset or headphones, to a portable speaker or even an in-car audio system.

However, the problems don’t stop there. You may have problems with turning your Bluetooth settings on through your actual device. Perhaps the software simply isn’t loading, or maybe the Bluetooth feature keeps turning itself off randomly.

Due to the complicated nature of Bluetooth technology, there could be many reasons as to why your Bluetooth feature is playing up in this way, but that doesn’t mean it can’t be fixed. For the rest of this guide, we’re going to explore the nine need-to-know ways you can fix the Bluetooth problems not working on your Oppo K11 5G as quickly as possible.

Part 2. 9 fixes for Bluetooth not working on Android

2.1 One click to fix Android Bluetooth issues due to Android system

Since Bluetooth is an internal technology, this indicates there’s a problem with the software or firmware of your Oppo K11 5G. If something’s broken, this means you need to fix it. Fortunately, there’s a quick and easy way to do this using software known as Dr.Fone - System Repair (Android).

Dr.Fone - System Repair (Android) is a powerful Android repair tool which is hailed as many as being on the best software applications in the industry. With all the tools you need to repair your phone not just for Bluetooth errors, but basically any internal firmware problems, this is a one-shot-tool that gets the job done.

Dr.Fone - System Repair (Android)

Android repair tool to fix Bluetooth issues in one click

Can fix most internal software and firmware issues
Trusted by over 50+ million people around the world
Supports over 1,000+ unique Android brands, manufacturers, and devices
Incredibly user-friendly and easy-to-use
Compatible with all Windows computers

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To ensure you have the best experience while using the Dr.Fone - System Repair (Android) software, here’s a complete step-by-step guide on how it works when fixing your Android’s Bluetooth problems.

Step One Make your way over to the Wondershare website and download the Dr.Fone - System Repair (Android) software to either your Mac or Windows computer. Install the downloaded file by following the on-screen instructions. Once installed, open the software, so you’re on the Main Menu.

Step Two Connect your Oppo K11 5G to your computer using the USB cable, wait a couple of seconds, and then click the System Repair option. On the Menu on the left, click Android Repair, and then press Start.

Step Three Next, use the drop-down menus to make sure all the information about your specific device is correct, including your device, operating system number, and carrier information. Click Next to confirm your selections.

Step Four When prompted, put your phone into Download Mode needed for repairs. You can do this by following the on-screen instructions which will depend on which device you have and the available buttons.

Step Five The software will now begin the repair process. This will happen automatically, and all you’ll need to do is make sure your device doesn’t disconnect during this process, and your computer doesn’t turn off.

When the repair process has been completed, you’ll receive the screen below, which means you can try again if the process didn’t work, or you can disconnect your Oppo K11 5G and start using it and your Bluetooth features.

2.2 Restart Android and turn on Bluetooth again

One of the most common solutions in technology is simply to turn it on and off again, which is the case to happen here. By restarting your device, you can clear out any problems you may be suffering from to help it get up and running again. Here’s how;

Turn your Oppo K11 5G off by holding down the Power button
Wait for several minutes and then turn your phone on again
Wait for your phone to completely power up, so you’re on the Main Menu
Navigate Settings > Bluetooth and then enable the setting
Try to connect your Bluetooth device to what you were trying to do before

2.3 Clear the Bluetooth cache

Every service on your Oppo K11 5G using a feature called a cache. This is where information is stored to help the feature run properly and give you the best experience. However, over time this can get messy and can cause problems with your Bluetooth feature.

By clearing the cache, you can restart the service and hopefully clear up any issues or problems you may be experiencing.

On your phone, navigate Settings > Application Manager, and you’ll see all the apps and services on your phone. Locate and select the Bluetooth service.
Select the Storage option
Tap the Clear Cache option
Go back of the Menu and restart your phone
Now turn your Bluetooth feature on and turn connecting it to your preferred device

2.4 Remove paired devices

Sometimes, you may have a problem with the Oppo K11 5G device you’re trying to connect to via Bluetooth, especially if this is a device you’ve updated. To counter and repair this, you’re going to need to remove the paired devices saved with your device and then reconnect them.

Here’s how;

From the Main Menu of your Oppo K11 5G, head to Settings > Bluetooth > Connected Devices.
Turn Bluetooth on, and you’ll see all the connections your Oppo K11 5G is paired with
Go through these settings and remove/delete/forget every connection on your device
Now when you go to connect to a device using Bluetooth, repair the Oppo K11 5G device, enter the passcode, and use a fresh paired connection.

2.5 Use Bluetooth in safe mode

If you’re having problems with your connection and paired devices, sometimes you may have conflicting software faults in your device that are causing the problems. If this is the case, you’ll need to boot your Oppo K11 5G in Safe Mode.

This is an operating state in which your phone will run the bare minimum services it needs to perform. If your Bluetooth works in Safe Mode, you know you have an app or a service that’s causing the problem.

Here’s how to find out;

Hold the power button down, so the Android power menu turns on
Long-press the power button again and the restart in Safe Mode option will come up
The phone will automatically boot into Safe Mode
Wait a minute on the Main Menu
Now turn on your Bluetooth and connect it to your preferred device

2.6 Turn on the discoverable feature

To ensure your Bluetooth can connect to other devices, it’s important to make sure you’re making your device discoverable to other Bluetooth devices. If it’s hidden, other devices won’t be able to find it, and sometimes it can bug and prevent connections.

Here’s how to turn on your Bluetooth discoverable feature;

From the home screen of your Android, navigate to the Menu> Settings > Bluetooth
Toggle the Bluetooth switch, so it’s on
Under the available settings, tick the box that allows your Bluetooth device to be discoverable
Turn your Bluetooth feature on and connect to the Oppo K11 5G device you’re trying to connect too

2.7 Exclude Bluetooth issues of the other device

Sometimes, you might not even have a problem with your Oppo K11 5G, but rather the Bluetooth device you’re trying to connect to, whether that’s a Bluetooth speaker, an in-car entertainment system, or any other kind of Bluetooth device.

By testing out another Bluetooth device to see if it will work with your preferred device, you can rule this out from being the issue.

Disconnect your Oppo K11 5G from the Bluetooth device and turn your Bluetooth off
Now take another Bluetooth device and connect this to the Oppo K11 5G device you’re trying to connect too. This could be another Android device, or even a computer or iOS device
If the new device doesn’t connect to your Bluetooth device, you’ll know there’s a problem with your Bluetooth device, not your Oppo K11 5G
If the Oppo K11 5G devices connect, you’ll know there’s a problem with your Oppo K11 5G

2.8 Place both devices within close proximity

One of the common misconceptions of Bluetooth is just how far the wireless range is of the service. You need to make sure your devices are well and truly close to each other to make sure a stable connection can be formed.

The further away the Oppo K11 5G devices are from each other, the less likely the connection will remain secure. As a rule of thumb, Bluetooth can work up to 100 meters, but to play it safe, always try and keep your devices under 50m apart.

2.9 Avoid interference of other Bluetooth sources

The final consideration you’ll want to think about is that Bluetooth radio waves, or wireless waves, can interfere with each other. This means they can bounce off each other or get muddled up and make things confusing from your devices.

With this in mind, you’ll want to make sure you’re limiting the amount of Bluetooth activity in the area where you’re trying to use a device. While uncommon, this could be the problem.

To fix this issue, turn off all the Bluetooth connections in the area. This includes computers, laptops, mobile phones, tablets, and any other Bluetooth devices you may have. Then, try connecting your Oppo K11 5G to the Oppo K11 5G device you were trying to use. If it works, you know you were experiencing Bluetooth interference.

HowTo

How to Flash Dead Oppo K11 5G Safely | Dr.fone