Fix the Error of Unfortunately the Process.com.android.phone Has Stopped on Oppo Reno 9A

Nowadays, smartphones are integral to life. They serve as your communication lifeline and powerful personal assistant. However, it can be frustrating when a sudden error disrupts our phone’s functionality. One common error Android users encounter is the “Unfortunately, The process.com.android.phone has stopped” error. Fear not if you have come across this error message on your Oppo Reno 9A.

This beginner’s guide is here to help you understand the causes of this problem. It will also provide you with practical “unfortunately the phone has stopped solutions.”

Part 1: Learn Why Unfortunately the process.com.android.phone Has Stopped

The error message “Unfortunately, the process com.android.phone has stopped“ typically appears on Android devices when there is an issue with the Phone app. Issues with underlying processes responsible for handling phone-related functions are also a cause.

It can prevent you from making or receiving phone calls, accessing contacts, or using other phone-related features. Following are some of the possible reasons why you may encounter this error:

App or System Update

When you update your device’s OS or the Phone app itself, it is possible to encounter bugs or compatibility issues. These issues can lead to the Phone app crashing and displaying this error message. Sometimes, the updated software may not work with the existing configurations of the Phone app. It results in instability which causes this error.

App Cache/Data Corruption

The Phone app relies on cached data and stored settings to function properly. If the cache or data of the app becomes corrupted, it can cause the Phone app to malfunction. The reasons include interrupted app installations or updates, improper shutdowns, or software conflicts. As a result, you may see the error message indicating that the process com.android.phone has stopped.

Insufficient System Resources

Android devices need sufficient memory (RAM) and processing power to run apps smoothly. If your device is running low on memory or processing capacity, it may struggle to handle the Phone app and its processes. It can lead to crashes and the error message. Running many resource-intensive apps at the same time also causes this issue. Other reasons include too many background processes that contribute to this error.

Conflicting Third-Party Apps

Third-party apps installed on your device can sometimes conflict with the Phone app. These conflicts can occur for various reasons, such as incompatible app versions. The software bugs within the third-party apps or configurations can also clash with the Phone app. Such conflicts can disrupt the normal operation of the Phone app. The result of all this trigger the error message.

Software or Firmware Glitches

Software glitches or firmware issues can occasionally occur in Android devices. These glitches can affect the functioning of system processes, including the Phone app. They may arise from programming errors and system inconsistencies. Sometimes unexpected interactions between different OS components can also lead to this error.

Part 2: 100% Working Fixes To Fix Unfortunately the process.com.android.phone Has Stopped

Having been denied access to your Phone can cause a lot of issues. Luckily, many simple fixes to the “process.com.android.phone has stopped“ error exist. These solutions have worked for many users, and by following them, you may be able to resolve the issue too. Given below are the top 8 fixes to resolve this error and restore your device’s phone functions:

Fix 1: Restart/Reboot your Android Device

One of the simplest yet effective solutions to tackle the “Unfortunately, the process com.android.phone has stopped“ error is to reboot your Oppo Reno 9A. Restarting your device can often resolve temporary software glitches or conflicts. This fix requires no technical expertise.

So, it is worth trying before moving on to more complex solutions. Follow the guide below to restart your Oppo Reno 9A and potentially fix the error:

• Step: Long-press your Oppo Reno 9A’s “Side” key and wait for the power menu to appear. Here, select “Restart” to initiate the reboot of your phone.

Fix 2: Re-insert the SIM Card

There is also a chance that the reason you are seeing this error message relates to the SIM card. A loose or improperly inserted SIM card can cause disruptions in the phone’s communication functions. As a result, you see the “Unfortunately, the process com.android.phone has stopped“ error.

To fix this error, you can remove the SIM card and then re-insert it. If the issue is actually related to a SIM card, the issue will get resolved after you resolve the problem.

Fix 3: Clear the Cache and Data of the Phone App

The “Unfortunately, the process com.android.phone has stopped“ error is connected to the Phone app. In this situation, clearing the cache and data of the Phone app itself can often resolve the issue. This fix focuses on removing any corrupted or conflicting data within the app.

Once the corrupted data is gone, it will restore the Phone app to proper functioning. Here is how to clear the cache and data of the Phone app on an Android device:

• Step 1: Find the Phone app on your Oppo Reno 9A and long-press its icon. A small menu will pop up where you need to select “App Info.”

• Step 2: It will lead you to detailed information about the Phone app. Here, press “Storage,” and following that, you will see the “Clear Cache” and “Clear Data” options. Use them in the same order to clear the cache and data of the Phone app.

Fix 4: Disable Automatic Updates Feature

In some cases, this error may occur due to conflicts or compatibility issues with the automatic app updates feature. The automatic update on your Oppo Reno 9A keeps your apps updated. Disabling this feature temporarily can help resolve the problem.

As a result, you will be able to use the Phone app without interruptions. To disable the automatic updates option on the Google Play Store, you can use the following steps:

• Step 1: Navigate to the Google Play Store app on your Oppo Reno 9A and launch it. Next, tap on the profile icon in the screen’s top right corner. From the options presented, select “Settings.”

• Step 2: In Settings, press “Network Preferences” to expand the option. Now, open the “Auto-update apps” settings and enable the “Don’t auto-update apps” option.

Fix 5: Clear All Apps Cache and Data

When dealing with this error, clearing the cache and data of all apps on your Oppo Reno 9A can also help. Doing this will remove any corrupt or conflicting data that might be causing the issue. This fix targets the overall app ecosystem on your device.

It intends to ensure a clean slate and potentially resolve the error. Use the following guide to clear the cache and data of all apps:

• Step 1: Access your Oppo Reno 9A’s Settings and tap the “Apps” option. It will lead you to all the apps running on your phone. Here, select an app to see detailed app info.

• Step 2: On the app info screen, scroll down and press “Storage.” Now use “Clear Cache” to clean the app’s cache and “Clear Data” to erase the app’s data. Repeat the same process for all the apps installed on your device.

Fix 6: Clear SIM Toolkit Cache and Data

It is worth considering the SIM Toolkit is a potential source of the problem. The SIM Toolkit is an app that provides functionality related to your SIM card. Its functions include accessing value-added services and managing mobile network settings. Clearing the cache and data of the SIM Toolkit app can help resolve this issue. The steps you need to clear the cache and data of this app are the following:

• Step 1: On your Oppo Reno 9A, find the SIM Toolkit app. After finding it, press and hold its icon until a short menu appears. Choose “App Info” from the available options to access its settings.

• Step 2: Now, you need to tap “Storage” to proceed. On the next screen, first, tap “Clear Cache” to clean the cache, and later press “Clear Data.”

Fix 7: Perform Factory Reset

If all previous fixes have been unsuccessful, performing a factory reset is also an option to resolve this issue. It is a drastic measure that can potentially address underlying software issues. However, it’s important to note that a factory reset will erase the entire data and settings of your device.

So, it’s crucial to back up your important files before proceeding with this fix. By doing so, you can restore your device to its original state and eliminate the error. Use the detailed guide described below to factory reset your Oppo Reno 9A:

• Step 1: Start by launching the Settings app and selecting “General Management.” Here, choose “Reset,” and following that on the next screen, tap “Factory data reset.”

• Step 2: After tapping “Factory data reset,” hit the “Reset” option. Next, enter your Oppo Reno 9A PIN to confirm the process, and use “Delete All” to start the factory reset process.

Fix 8: Try Wondershare Dr.Fone - The Best and Most Reliable Android System Repair Tool

It must be a frustrating experience to try one solution after the next and not be able to resolve the issue. In such situations, the best thing you can do is find a tool that can resolve all Android system problems. While there are many options available online, not all are great. The best Android system repair tool currently available is Wondershare Dr.Fone.

Using Wondershare Dr.Fone, you can fix issues like “Unfortunately, the process.com.android.phone has stopped,” Play Store not working, frozen phone, and many more. It is a specialized tool for resolving Android system issues in Oppo Reno 9A devices with support for all modern Oppo Reno 9A phones.

Key Features of Wondershare Dr.Fone

• You do not need any technical skills to fix your Android system issues when using Dr.Fone.
• It has the highest success rate in fixing complex software issues related to Android OS.
• Wondershare Dr.Fone supports over 1000 Android models for system repair and can fix most issues within minutes.

Steps To Fix the process.com.android.phone Has Stopped via Wondershare Dr.Fone

All you need to fix your Oppo Reno 9A’s system issues is a computer with Wondershare Dr.Fone installed and your device connected to it. Here is the simplified process of resolving most Android system issues in a matter of minutes:

• Step 1: Link Your Android Device with Wondershare Dr.Fone

To start, connect your Oppo Reno 9A to your computer. Launch Wondershare Dr.Fone on your computer screen and click on “Toolbox,” located in the left sidebar. From the options available, select “System Repair” and follow it by clicking “Android” on the next screen.

• Step 2: Enter the Required Details of Your Oppo Reno 9A

Click on “Start” to initiate the process, and following that, you will be prompted to provide specific details about your Oppo Reno 9A. These details include the “Brand,” “Name,” “Model,” “Country,” and “Carrier.” Afterward, tick the box that says, “I agree with the warning, and I am ready to proceed,” and click “Next.”

• Step 3: Resolve The process.com.android.phone Has Stopped Issue

The subsequent step involves entering Download Mode on your device, following the on-screen instructions provided by the software. Once your device is in Download Mode, this Android repair toolkit will proceed to download and install the relevant firmware. Now, select “Fix Now” and confirm the repair of your Oppo Reno 9A by entering the code “000000.”

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Conclusion

To sum the article up, encountering the frustrating error message “Unfortunately, the process com.android.phone has stopped“ can be daunting. However, with the right knowledge and tools, resolving this issue becomes achievable. Throughout this guide, we have explored various troubleshooting methods. These included clearing the cache, rebooting the Oppo Reno 9A device, and even performing a factory reset.

While there are many options to fix this error, only one is an excellent choice: Wondershare Dr.Fone. With its powerful Android system repair feature, Wondershare Dr.Fone is a reliable solution to resolve this error.

How To Deal With the Oppo Reno 9A Screen Black But Still Works?

With the advance of technology over the years, many of us rely on smartphones to communicate, work, and play. As such, it can be pretty concerning when your device begins to act strange like your phone screen suddenly went blank.

Whether you’re using an iPhone or an Android device, you’ll eventually encounter a problematic symptom like this. Therefore, this article will explore what to do when your phone screen goes black. After exploring below, you’ll learn the common causes of why your phone screen went black and how to fix it. Read on below to learn more.

Part 1: Why Did My Oppo Reno 9A Screen Go Black but Still Works? Common Causes

Experiencing a cell phone blank screen is not exclusive to Android or iOS users. A phone screen not turning on happens all the time due to several factors that may or may not be out of your control. While they can be frustrating, here are some common causes you should know as to why your phone screen went black but still works.

A Drained Battery

The first thing that comes to mind when your phone screen suddenly goes black is you have a drained battery. Even though this is obvious, it’s still important to mention, as this is usually what most people encounter. To fix this problem, plug your smartphone into a charger and wait for your device to turn on again. If it works, then you just prevented a rather annoying experience.

App Troubles

If your phone is working, but the screen is black, there’s also a high probability that you are having an isolated issue with a particular application. An app could be loading something, which often happens for streaming apps such as YouTube, Netflix, Prime, and more, especially if you have slow internet connectivity.

Software Issues

A potential reason why your phone screen went black but still works could be because of your smartphone’s software. This problem suggests that your Oppo Reno 9A is crashing, potentially freezing your device if not addressed immediately. If this is the cause, then your device is likely experiencing a critical system error, and you should directly try to reboot your phone.

Hardware Problem

If you dropped your phone, there’s a high chance the LCD connectors went loose due to the physical impact. If this happened to you, the phone might be working, but the screen is black due to the LCD cable dislodging. Another issue could be your phone got exposed to extreme temperatures. This can also cause a black screen but your phone is still on.

Part 2: How To Fix Black Screen on Your Phone

Here are four valuable methods you should know on what to do when your phone screen goes black on your iPhone or Android smartphone to get them working again.

Method 1: Force Restart your Android/iOS Smartphone

If your phone screen is black but still works, force restarting it is the easiest way to fix it. The following are the detailed steps for both Android and iOS devices.

How to Force Restart your Android Device

Here is how you force restart an Android device when your phone screen doesn’t turn on.

Step 1: Press and hold the Power and Volume Down buttons simultaneously.

Step 2: Hold the same buttons until your device restarts, and display the phone’s logo.

How to Force Restart your iOS Device

If you own the latest iPhone models, here are the method of restarting it from iPhone 8 up to 14.

Step 1: Press and immediately release Volume Up. Next, press and immediately release Volume Down.

Step 2: Press and hold Sleep/Wake until you see the Apple logo.

Note

If you own an iPhone 7, press and hold the Side button and Volume Down simultaneously until you see the apple logo.

Method 2: Uninstall or Update Outdated Applications

In some cases, your phone screen is black but still works because of installing incompatible apps on your iOS/Android device. If the installed app is frequently crashing, it may be the source of a blank cell phone screen. Uninstall the problem app to see if the black screen disappears or not.

Method 3: Inspect the LCD Connectors

If your phone screen goes black but still works, you should inspect the logic board to the LCD screen to see if it has become disconnected. It is common for smartphones that often get dropped a few times. It’s best to plug the connectors back to regain your screen’s functionality.

However, this requires technical know-how. It’s better to seek help from a professional as you could risk causing more damage to your device if you don’t know what you’re doing.

Method 4: Perform a Factory Reset

If all the methods above did not solve your problem, the last resort you can take is to perform a Factory Reset. This method works on Android and iOS smartphones and erases all your data. It is the quickest way to try to fix why your phone screen went black. Here are the steps.

For Android Users

If you’re on Android, tap Settings > Backup and Reset. Tap on Factory data reset > Delete all to initiate the factory reset.

If you cannot do this, here’s how to perform a factory reset manually using Recovery Mode.

Note

The process of booting into Recovery Mode is not the same across all Android devices and depends on the manufacturer and model of your phone. Refer to your owners manual to see which method is the right one for your Oppo Reno 9A.

Step 1A: Press and hold the Power button and Volume Down buttons simultaneously and continue holding until the screen starts.

Step 1B: For Android devices with a Home button, press and hold the Home button and the Power button and continue holding until the screen starts.

Step 1C: Press and hold the Power button as well as the Volume Up and Volume Down buttons simultaneously and continue holding until the screen starts.

Step 2: Use the Volume buttons to navigate the choices and select Wipe data/factory reset and confirm your choice with the Power button.

Step 3: Simply wait for the process to complete and wait for your Oppo Reno 9A to restart automatically.

F****or iOS Users

Step 1: For iOS users, meanwhile, tap Settings > General > Transfer or Reset iPhone.

Step 2: Next, choose Erase All Content and Settings. Check the list of items you want to remove.

Step 3: Tap Continue and enter your iPhone passcode. A message warns you that the process will delete all media and data and reset all settings.

Step 4: Tap Erase iPhone to confirm. You’ll be asked to type in your Apple ID and password if Find My is active. Enter your password and tap Erase.

Part 3: How To Fix Black Screen Phone With an Alternative

If your phone screen went black but still works and doing the methods above did not solve the issue, you can use Wondershare Dr.Fone for iOS and Android as a last resort. It’s one of the most popular smartphone repair tools today, enabling you to fix all kinds of annoying scenarios. These include black screen, boot loop, white screen of death, bricked iOS or Android device, and more.

Key Features

Dr.Fone – System Repair for iOS and Android has fantastic features you can immediately take advantage of. Here are its key features below.

• Fix all Android and iOS Problems in Minutes

Dr.Fone – System Repair can fix all kinds of issues on your Android/iOS, such as a black screen, white screen of death, screen freeze, boot loop, or recovery mode. All of this can be done within less than 10 minutes to save you precious time.

• Supports up to 1000+ Android Smartphones and the latest iOS

All iOS versions, including the latest iOS 16 and iOS 16 beta, are fully supported by Dr.Fone – System Repair. The app handles all your smartphone issues without data loss to secure your info. On the other hand, if you own an Android, the app supports up to 1000+ Android smartphones, making it highly versatile for Android owners.

Tech Specs

Dr.Fone – System Repair (Android)’s minimum system requirements for your computer are listed below.

Computer OS	Android
Windows 11, 10, 8.1, 8, 7	Android 2.1 and up to the latest

Meanwhile, here are the system requirements for Dr.Fone – System Repair (iOS).

Computer OS	iOS
Windows 11, 10, 8.1, 8, 7	Supports all iOS versions, including the latest iOS 16 and iOS 16 beta
macOS 12, 11, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8

Pros and Cons

If you’re still undecided about Dr.Fone – System Repair, here are its pros and cons.

Pros

• Fone – System Repair for iOS and Android has a clutter-free and beginner-friendly user interface. It’s easy to understand and use, so you can start immediately.
• Both the iOS and Android versions finish the repair tasks within less than 10 minutes to save you time.

Cons

• Each version for each OS is sold separately.
• The free version works up to your device’s compatibility. Once you start the repair process, the app will ask you for a valid license key.

How to Fix Black Phone Screen With Dr.Fone – System Repair

Here’s how to fix your phone screen with Dr.Fone – System Repair on iOS/Android.

Step 1: Download and install Dr.Fone – System Repair for iOS or Android. Next, open the program and connect your smartphone.

Step 2A (For iOS): Choose the correct model of your iPhone for the program to be able to download the appropriate firmware package.

Step 2B (For Android): Click Start. On the next window, choose the Brand, Name, Model, Country, and Carrier of your smartphone, then click Next.

Step 3: Follow the on-screen instructions provided on the main program window and wait for the repair process to complete.

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Conclusion

Our increasing reliance on smartphones has led to amazing advancements in new technologies. However, lingering issues such as your phone screen not turning on or your phone screen being black but still working are ongoing problems to many. That’s why learning how to prevent these events is essential to take care of your smartphone.

Doing all the recommended methods above usually solves the case. If the different fixes don’t work for you, Dr.Fone – System Repair for iOS and Android can help resolve all your problems within less than 10 minutes. You can download it for free on Windows and Mac to test it yourself.

Simple Solutions to Fix Android SystemUI Has Stopped Error For Oppo Reno 9A

In this article, you will learn possible causes of Android SystemUI stopping error and 4 methods to fix this issue. Get Dr.Fone - System Repair (Android) to fix Android SystemUI stopping more easily.

Android SystemUI isn’t responding or Android, unfortunately, the process com.android.systemui has stopped is a not a rare error and is observed in all Android devices these days. The error usually pops up on your device while you are using it with a message on the screen saying Android. Unfortunately, the process com.android.systemui has stopped.

The Android SystemUI isn’t responding error message may also read as “Unfortunately, SystemUI has stopped”.

Android SystemUI error can be very confusing as it leaves affected users with only one option, i.e., “OK”, as shown in the images above. If you click on “OK” you will continue to use your device smoothly, but only until the SystemUI isn’t responding error pops-up on your main screen again. You may restart your device, but the Android SystemUI has stopped the problem continues to annoy you until you find a permanent solution for it.

If you are also among the various users who see Android, unfortunately, the process com.android.systemui has stopped error, then do not worry. SystemUI isn’t responding. Error is not a serious issue and can be tackled easily by carefully examining the reasons behind the problem.

Looking for suitable solutions to fix Android SystemUI has stopped error? Then read on to find out all about Android SystemUI isn’t responding error and the most effective ways to fix it.

Part 1: Why Android SystemUI Has stopped happens?

Android device owners would agree that OS updates are very helpful as they fix the bug problem and improve the overall working of your device. However, sometimes these updates may be infected due to which they do not download and install properly. A corrupted OS update may cause Android; unfortunately, the process com.android.systemui has stopped error. All Android updates are directly designed around the Google App, and thus, the problem will persist until the Google App is also updated. Sometimes, even the Google App update may cause such a glitch if it is not successfully downloaded and installed.

Another reason for the Android SystemUI isn’t responding error to occur, maybe because of flashing a new ROM or due to improper firmware update installation. Even when you restore the backed up data from cloud or your Google Account, such Android, unfortunately, the process com.android.systemui has stopped error may show up.

It is not possible to say for sure which one of the above-mentioned reasons is causing your device to show Android SystemUI is not responding error. But what we can do is move on to fixing the Android SystemUI by following any one of the three methods given the following segments.

Part 2: How to fix “com.android.systemui has stopped” in one click

As we’ve learned that Android system UI isn’t responding issue is primarily because of the Android OS updates not installed properly or were corrupted. Hence, there comes the need for a powerful Android system repair tool that can help you rectify such annoying errors.

To serve the purpose, we would like to introduce, Dr.Fone - System Repair (Android) . It is one of its kind of applications and is highly recommended as it has a proven success rate to resolve almost all Android system issues.

It’s now time to understand how to fix Android ‘unfortunately, the process com.android.systemui has stopped’ or in simple words, Android system UI isn’t responding.

Note: Before we proceed to Android repair, please ensure to make a backup of all your data . This is because the Android repair process may wipe out all the data on your device to fix the Android OS issues.

Phase 1: Connect and prepare your Oppo Reno 9A

Step 1 – Download the Dr.Fone toolkit over your PC. Install it and launch it over. Opt for the “System Repair” tab from the main screen and get your Oppo Reno 9A connected to the PC.

Step 2 – You need to select “Android Repair” from the left panel and then hit the ‘Start’ button.

Step 3 – Next, you need to select the correct information about your device (i.e., brand, name, model, country/region, and carrier details). Check the warning down below and hit “Next”.

Phase 2: Boot Android in ‘Download’ mode to perform the repair.

Step 1 –You’re now required to boot your Android in Download mode. Here’s what you need to do to put your Android in DFU mode.

If your Android has a Home button:

• Turn off your device. Hold down “Volume Down + Home + Power” buttons altogether for about 10seconds. Let go of the buttons afterward and hit the Volume Up to boot in download mode.

In case your Android has no Home button:

• Turn off your device. Hold down “Volume Down + Bixby + Power” buttons altogether for about 10seconds. Let go of the buttons afterward and hit the Volume Up to boot in download mode.

Step 2 – Once done, hit “Next” to initiate the downloading of the firmware.

Step 3 – As soon as the download completes, the Android repair will automatically be started by the program.

Step 4 – In a just a matter of a few minutes, your Android system UI isn’t responding issue will be resolved.

Part 3: Uninstall Google updates to fix Android SystemUI issue

All Android SystemUI isn’t responding errors are circled the Google App as the Android platform is heavily dependent on it. If you have recently updated your Google App and the Android, unfortunately, the process com.android.systemui has stopped error keeps popping up at regular intervals, make sure you uninstall Google App updates as soon as possible.

Follow the steps given below to fix the Android SystemUI has stopped issue by rolling back the Google App updates:

• Visit “Settings” and select “Apps” or “Application Manager”.
• Now swipe to view “All” Apps.
• From the list of Apps, select “Google App”.
• Finally, tap on “Uninstall Updates” as shown hereunder.

Note: To prevent the Android SystemUI isn’t responding error to occur in the future, do not forget to change your Google Play Store settings to “Do Not Auto-Update Apps”.

Part 4: Wipe Cache partition to fix Android SystemUI error

Android, unfortunately, the process com.android.systemui has stopped error can also be fixed by clearing your cache partitions. These partitions are nothing but storage locations for your modem, kernels, system files, drivers, and built-in Apps data.

It is advisable to clear Cache portions regularly to keep your UI clean and free of glitches.

Android SystemUI isn’t responding error can be overcome by clearing the cache in recovery mode.

Different Android devices have different ways to put it in recovery mode. Refer to your device’s manual to enter the recovery mode screen on your device and then follow the steps given below to fix Android; unfortunately, the process com.android.systemui has stopped error by clearing the cache partition:

• Once you are the recovery mode screen, you will see several options as shown in the screenshot.

• Use the volume down key to scroll down and select ”Wipe cache partition” as shown below.

• After the process is completed, select “Reboot System” which is the first option in the recovery mode screen.

This method will help you de-clutter your device and erase all the clogged up unwanted files. You may lose App related data too, but that is a small price to pay to fix the Android SystemUI isn’t responding error.

If the Android SystemUI has stopped the problem persists, there is only one way out. Read on to find out about it.

Part 5: Fix Android SystemUI error by factory reset

Factory Resetting your device to fix Android; unfortunately, the process com.android.systemui has stopped error is a desperate measure and should be the last thing to do on your list. Take this step only when the above mentored two techniques fail to work.

Also, make sure you take a back-up of all your data and contents stored in your Oppo Reno 9A on the cloud, Google Account or an external memory device because once you perform a factory reset on your device, all media, contents, data and other files are wiped out, including your device settings.

Follow the steps given below to factory reset your device to solve the Android SystemUI isn’t responding problem:

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

• Now select “Backup and Reset”.

• In this step, select “Factory data reset” and then “Reset Device”.
• Finally, tap on “ERASE EVERYTHING” as shown below to Factory Reset your device.

After the factory reset process is completed, your device will automatically restart, and you will have to set it up once again.

The whole process of factory resetting your Oppo Reno 9A might sound tedious, risky, and cumbersome, but it helps to fix the Android SystemUI has stopped error 9 out of 10 times. So, think carefully before using this remedy.

Android SystemUI isn’t responding or Android, unfortunately, the process com.android.systemui has stopped error is commonly seen by users on their devices. It is not a random error and is linked to either the software, Google App, cache partition, or data stored in the Oppo Reno 9A device. It is fairly simple to deal with this issue as all you need to do is install or roll back your Android OS update, uninstall Google App updates, clear cache partition, or factory reset your device to clear all data, files, and settings stored in it. The methods listed and explained above are the best ways to fight the problem and to prevent it from troubling you in the future. These methods have been adopted by affected users all over the world who recommend them because they are safe and involve minimum risks as compared to other tools to solve the Android SystemUI has stopped error. So go ahead and try them now!