Common Problems In Oppo F21 Pro 5G [PROVEN FIXES]

Today in this article, we will troubleshoot common problems in Oppo F21 Pro 5G and their proven solutions to fix them.

After using the Oppo F21 Pro 5G device, many users are facing common issues and problems in the Oppo F21 Pro 5G.

But don’t worry, in today’s guide, I will tell you the troubleshooting of Common Problems In Oppo F21 Pro 5G and give a proven solution.

Before proceeding to the post, let us know some of the specs of this phone.

Oppo recently launched the Oppo F21 Pro 5G, this phone comes with a 6.43-inch AMOLED FHD+ display and 1080 x 2400 display Resolution.

The Oppo F21 Pro 5G is powered by the latest Octa-core Qualcomm Snapdragon 695 5G (6 nm) processor and according to GSMarena, it has been launched in a single 8GB RAM + 128GB storage variant.

Talking about the battery and operating system, the Oppo F21 Pro 5G runs on the latest ColorOS 12 based on Android 12 and is powered by a 4500 mAh battery with 33W fast charging.

As far as cameras are concerned.

The Oppo F21 Pro 5G has a Triple-camera setup, with a 64-megapixel primary camera, then a 2-megapixel macro camera, and then a 2-megapixel depth sensor.

Troubleshoot Common Problems In Oppo F21 Pro 5G: Network, Heating, Camera, and More

First of all, in this article, we will discuss various common issues and problems with Oppo F21 Pro 5G and also know the solutions to fix them.

All the steps and remedies that I have described below are tested and proven methods, so read this article till the end.

Don’t worry, I’ve shared 12+ different common problems and their solutions, a problem that almost everyone faces.

I am sure that with this guide today you will definitely get a solution to the problem happening on your phone.

Please read all the steps and remedies included in this article carefully, please do not rush! This guide will eventually help you.

Issue – Network problem in Oppo F21 Pro 5G

If you are facing a network problem on your Oppo F21 Pro 5G? So don’t worry, below I have listed some effective tips that you can try to fix the network problem on your Oppo F21 Pro 5G.

Solutions:

• Turn the airplane mode on and off for a few seconds.
• Try turning off your SIM card for some time and then turning it on.
• Make sure to check your device in Safe mode. Here’s a comprehensive Guide
• Once, Reset your device network settings.
• Also, update the software to the latest version.
• If your problem is still not resolved, then the last option is to factory reset your Oppo F21 Pro 5G.
• That’s It 🙂

Read Here: Network problem in Vivo X Note? How to Fix Them!

Problem – Overheating problem in Oppo F21 Pro 5G?

Whenever you play games or use features or apps that require a lot of power, your phone also fast drains the battery, due to which your phone may become temporarily heated up and warm.

Solutions:

• If you are not using Wi-Fi, GPS, Bluetooth, and other connectivity options, turn them off.
• Turn Off auto-brightness and decrease screen brightness.
• Clear all the apps you are not using.
• Uninstall the unnecessary applications installed on the phone.
• Check your device in Safe Mode.
• Update your software in the latest version, if available
• If you follow all the above steps and your problem is still not fixed then the last option is to factory reset your Oppo F21 Pro 5G.
• That’s It 🙂

Problem – A sluggish or Lagging User Interface in Oppo F21 Pro 5G

Solutions:

• Remove the application you are not using from the Recent tab.
• Once, Restart your Oppo F21 Pro 5G. This closes unnecessary processes running in the background.
• If you have battery saver mode turned on in your phone, turn it off.
• Do not play games and don’t open any application while charging the phone.
• Clear the System cache partition of the Oppo F21 Pro 5G.
• Have still problems with the Touch screen? If it is, then the last option is to factory reset your Oppo F21 Pro 5G.
• That’s It 🙂

Must Read: Overheating problem in Realme Q5 Pro, How to Fix It!

Issue – Oppo F21 Pro 5G Battery Draining Fast

Many people have this problem if you are also facing the problem of battery drain with your Oppo F21 Pro 5G.

To fix the problem of battery drain on your Oppo F21 Pro 5G, follow the steps given below:

Solutions:

• First of all, turn off auto-brightness, and Decrease the brightness according to your need.
• Make sure to choose the minimum screen timeout time.
  • Go to Settings → Display & brightness → Auto Screen off → Select Minimum Screen time (Recommended 30 Seconds)
• Enable Power Saving Mode.
• That’s It 🙂

Problem – Apps Crash Suddenly on the Oppo F21 Pro 5G

Since the launch of this smartphone, the users of Oppo F21 Pro 5G have been facing this app crash problem:

Don’t worry, the problem of this app crash is not only happening on the Oppo F21 Pro 5G phone, but other smartphones have also shown this error.

Solutions:

• Make sure if there is a new software update on your phone, install it if a new software update is available.
• If your phone is facing any problem due to a single application, then you can Go to Settings → App Management → App list and Select that app then clear its data and cache.
• Restart your device once after following all these steps.
• That’s It 🙂

Issue: Touch screen issues on Oppo F21 Pro 5G

If you are experiencing slow or unresponsive touch screen issues on your Oppo F21 Pro 5G, I have listed some quick steps below that you can use to fix your problem.

Solutions:

• First, Restart your Device and check whether your problem is fixed or not.
• Make sure to neat and clean your phone screen.
• Remove the old screen protector.
• Check your Oppo F21 Pro 5G in Safe Mode.
• Clear the System cache partition of the phone.
• Do you have still problems with the Touch screen? If it is, then the last option is to factory reset your Oppo F21 Pro 5G.
• That’s It 🙂

Problem – Fingerprint sensor not working Oppo F21 Pro 5G

In many forums and discussion sites, Oppo F21 Pro 5G users have reported problems with the device’s fingerprint reader.

This problem can happen due to many reasons, let us know the ways to fix this problem:

Solutions: 

• Make sure you are using the same finger that you used when setting up the fingerprint.
• This problem is also caused by a malfunction of your phone’s fingerprint sensor, check if the fingerprint sensor is scratched or damaged.
• Remove the old fingerprint in your Oppo F21 Pro 5G and add a new fingerprint.
  • Go to Settings → Password & biometrics → Fingerprint (Enter the password if prompted Enter Lock Screen Password) → Now you will see the old registered fingerprints below, on its right side there is a delete icon, click on it → Tap Delete.
  • Then add a new fingerprint.
• Do you have still problems with the fingerprint sensor? If it is, then you can clear the cache partition of the phone.
• That’s It 🙂

Must See: Fix Fingerprint sensor not working in Realme Q5i?

Issue – Unable To Send Text Messages on Oppo F21 Pro 5G

Solutions:

• First of all, check whether the number you want to send the message to is not blocked.
• Clear the cache of the default message app of your Oppo F21 Pro 5G.
• If you do not need the old messages, delete them.
• Once, Restart your Oppo F21 Pro 5G and check whether your issue is fixed or not.
• Turn on flight mode and again Turn Off.
• That’s It 🙂

Problem – Unable to make and receive phone calls on Oppo F21 Pro 5G

Solutions:

• Remove the SIM card from your phone and insert it again.
• Once, Reboot your device.
• If there is a new software update available on your Oppo F21 Pro 5G, then install it.
• Check if flight mode is on in your Oppo F21 Pro 5G, if it is on then turn it off.
• Reset your phone Network settings.
• That’ It 🙂

Issue – Bluetooth not working in Oppo F21 Pro 5G?

Many times Bluetooth is turned off due to low battery or Bluetooth not being enabled in the phone.

Solutions:

• Make sure to check for new software updates.
• Also, make sure to Verify the Bluetooth device is Turned on and Bluetooth is enabled on both devices.
• Both phones must be nearby to connect to Bluetooth, so check the Bluetooth connection range.
• Once, Restart both devices.
• If your problem is not solved then Reset your device’s Network Settings.
• That’s It 🙂

Read Here: Is Bluetooth not working properly in Samsung A52 5G? How to Fix It!

Problem – Microphone not working on Oppo F21 Pro 5G

Solutions: 

• First, Restart the phone and record the voice to check if the microphone is OK? If you like the sound quality of the recorded voice, then the microphone is fine.
• Once, Boot your phone in safe mode, if your phone’s microphone works well in safe mode, then the problem is with any third-party application downloaded, uninstall it.
• Ensure that no new software update is available on your phone, install it if available.
• If your problem is still not resolved, then factory reset your Oppo F21 Pro 5G.
• That’s It 🙂

Issue – Oppo F21 Pro 5G is constantly freezing or crashing

If your Oppo F21 Pro 5G phone is constantly freezing or crashing then it seems very bad and disappointing.

But don’t worry, to fix this problem I have outlined some troubleshooting steps below that can help fix your problem without sending your phone to a Realme service center.

Solutions:

• First, Force reboot your Oppo F21 Pro 5G.
  • Press and hold the Volume Down Button and the Power Button simultaneously for a few seconds.
• Make sure to Update your Software Version to the Latest Version.
• Once, Boot your device in Safe Mode. Here’s Guide
• If a particular application is causing this problem in your Oppo F21 Pro 5G, then you can try to clear the cache and data of those applications.
  • Go to Settings → App management → App list → Select the Crashing App → Storage usage → Clear Cache & Clear Data
• If your problem is still not resolved, then factory reset your Oppo F21 Pro 5G.
• That’s It 🙂

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Related Articles About this Phone:

• How to Take Screenshot In Oppo F21 Pro 5G?

Conclusion:

So in this guide, I have discussed all the common problems in the Oppo F21 Pro 5G.

I have shown you some key issues above and a proven solution to fix them. I hope you liked this article.

If you are facing any other problems with your Oppo F21 Pro 5G, then be sure to tell us in the comment section below.

I will try to resolve your issue as soon as possible and thanks for staying up to the end with this guide.