How To Fix Part of the Touch Screen Not Working on Oppo A78

You probably touch the screen of your phone hundreds of times per day. It’s no surprise that smartphone touchscreens are one of the most common components to fail, given their delicate glass construction. However, a part of the touch screen not working on your Oppo A78 does not necessarily mean it is a hardware issue. There could be other reasons why your Android’s touch screen stopped responding.

If your phone’s touchscreen frequently fails to respond, there are several things you can try before calling a professional. This article will reveal those proven fixes you can easily perform independently.

Part 1. Why Is Part of My Screen Not Working

There are two possible causes as to why your phone’s touch screen is not working. One is the touch screen may have been damaged, and the other is the Oppo A78 device may be experiencing technical difficulties.

If you drop your phone and it becomes stuck against something, the touch screen’s connectivity may fail. Only a part of the touch screen may sometimes become damaged and unresponsive. That may also occur when there is a technical failure, such as the phone hanging. A part of the touch screen not working can occur when malware is downloaded or when phone settings are changed.

Now, the problem can affect any Android phone, and users may encounter the following error messages on their respective phone models:

Oppo A78 P40 lite half touch screen not working
Nexus touch screen not working
LG screen is unresponsive to touch
Oppo A78 left side of the screen is not working
Redmi’s whole screen is unresponsive to touch

Part 2. Different Types of Touch Screen Issues and What You Should Check Before Fixing

You may experience a variety of touch screens not working on Android issues:

A certain part of the touch screen is not working.
Your touches do not register on the touch screen.
The touch screen incorrectly responds to your touch.
Half touch screen is not working.
The touch screen becomes frozen or hangs.
The screen flashes, flickers, or remains blank.
Theleft side of the phone screen is not working.

Before proceeding to how to fix an unresponsive touch screen on an Android device, you should complete the following steps:

Examine the screen of your device. Check to see if it is cracked or chipped.
If the screen is damaged, it must be replaced.
Remove the Oppo A78 device cover and screen protector if they are not damaged.
If there is a sticker on the Oppo A78 device screen, you must remove it.
Before continuing, make sure your screen is spotless.

Part 3. How To Fix Part of the Touch Screen Not Working (No Physical Damage)

If you have already tried running the Oppo A78 device in diagnostic mode and verified that it is not physically damaged, then the problem is most likely technical. If your Oppo A78’s screen is not responding to touches for technical reasons, follow the methods below to resolve the issue.

Restart Your Device

When your touch screen stops working, the first thing you should do is restart your device. The operation is known as soft resetting. You cannot turn your device off from the option on the screen because the touch screen is not responding. Here are the steps to take.

Step 1: Hold the “Power” button until the Oppo A78 device turns off.

Tip: If you hold down the power button for a few seconds, you will see the “Power Off” and “Restart” options on the screen. You can’t use it because the entire screen isn’t responding. Hence, you should press and hold the “Power” button for as long as necessary.

Step 2: When the Oppo A78 device turns off, wait a few seconds.

Step 3: Press and hold the “Power” button to restart the Oppo A78 device.

Check to see if the Android auto touch screen is not working problem has been resolved. Otherwise, proceed with the following methods.

Turn On Safe Mode

You should switch to Safe mode whenever an application or piece of software causes a problem on your device. Only the most fundamental system components are loaded and used when operating in Safe mode.

If your touch screen is functional in safe mode, the issue is most likely internal. You can quickly fix the Android touchscreen issue by following the prompts given below to activate the safe mode:

Step 1: To force a restart, press and hold the Oppo A78 device’s “Power” button for an extended period.

Step 2: Maintain pressure on the “Power” button. Take your finger off it once you see the manufacturer’s logo.

Step 3: When you let go of the “Power” button, press and hold the “Volume Down” button. After that, a “Safe Mode” label will appear in your screen’s lower-left corner.

Turn Off Developer Options

Every smartphone is bound to have limitations. However, smartphone makers include a “Developer Options” menu for advanced users. Here, restrictions are removed, and user preferences can be customized.

If you enable Developer Options on some Android devices, they may stop working properly. If you have recently activated Developer Options and your touchscreen is no longer responding as expected, you should disable it. To do so, follow the instructions below:

Step 1: Launch the Settings app on your device.

Step 2: Select the System menu item, which usually locates at the bottom of the screen.

Step 3: Tap the Advanced options menu, then select Developer Options.

Step 4: You will then find the switch to turn it on or off. Disable itby toggling the button off.

Step 5: Restart your device to check if the part of the touch screen not working issue has been resolved.

Reset Device to Factory Settings

Resetting your device to its factory settings will return it to its state when you first unboxed it. All your phone’s data and installed apps will be erased, including any malware on your device that may be causing the issue to occur. Here’s how to restore your device to factory settings:

Step 1: Since your touch screen is not working, you can factory reset it using Google’s Find My Device web service.

Step 2: Go to Find My Device from any device and sign in to the Google account associated with the damaged screen device.

Step 3: After successfully logging in, you will see your device’s name. Select the Erase Device option.

Step 4: Confirm by pressing the Erase Device button.

Tip: Since all your data will be removed, it’s recommended to back up your data first before resetting your device to factory settings.

Part 4. Fix Using a Third-Party App – Wondershare Dr.Fone

If you’ve exhausted all other options and still can’t fix your Android’s part of the touch screen not working issue, it’s time to resort to Dr.Fone – System Repair! It allows you to repair Android system issues with a single click.

Many users have reported exceptions on their Android devices, such as touch screen failure, black screen of death, system UI failure, app crashing, etc. And in this case, people should seek an Android repair tool.

Dr.Fone – System Repair has made it easier than ever for Android users experiencing technical issues with their device, including an unresponsive touch screen, among other system issues. The best part is that no data will be lost while repairing Android system issues.

Follow the steps given below on how to use Wondershare Dr.Fone System Repair for Android:

Step 1: Select the System Repair option from the main window after starting Dr. Fone.

Step 2: Connect your Oppo A78 or tablet to the computer using the appropriate cable. Choose Android Repair from the three options shown on the left side of the screen.

Step 3: The device information screen will appear in the next window. There, input your device’s unified brand, name, model, country/region, and carrier information. Then click Next after you confirm the warning.

The Android repair procedure may wipe out all data on your device. To confirm and proceed, enter “000000”.

Note: It is strongly advised that you back up your Android data before attempting Android repair.

Step 4: Before repairing your Oppo A78, you must boot it into Download mode. To boot your Oppo A78 or tablet into DFU mode, follow the steps below:

For a device that has a Home button:

Turn off your phone or tablet.
Hold the Volume Down, Home, and Power buttons for 5 to 10 seconds.
To enter Download mode, release all the buttons and press the Volume Up button.

For a device that lacks a Home button:

Turn off the Oppo A78 device.
Hold the Volume Down, Bixby, and Power buttons for 5 to 10 seconds.
To enter Download mode, release all the buttons and press the Volume Up button.

Step 5: Then press the Next button. The program will then download the firmware. After downloading and verifying the firmware, the program will automatically repair your Oppo A78. And in a while, your Oppo A78’s system issues will be resolved.

Supported OS

Check Dr.Fone’s supported operating systems below before using the application to fix your mobile technical issues.

Platform	Supported OS
Windows	Windows 11/10/8.1/8/7/Vista/XP
Mac	Mac 14/13/12/11/10.15/10.14/X/10.13/10.12/10.11/10.10/10.9/10.8

Key Features

Dr.Fone – System Repair is a data management and recovery tool that contains several toolkits in one program, each designed to repair a specific phone problem. Check out its key features below:

One-click Android Repair Tool
Troubleshoots and repairs a wide range of Android system problems, including black screen of death, Play Store not working, apps crashing, phone stuck in a boot loop, and bricked Android issues
A high success rate for fixing Android system issues
Fixes Android system back to normal

Pros

Here are the advantages of using Dr.Fone – System Repair:

Highly intuitive UI/UX/. No need for any skill to operate it
Provides a comprehensive set of toolkits, including advanced data recovery and system repair
Data management is simple and seamless for both Android and iOS devices
Data backup with Dr. Fone is simple and quick.

Cons

Check below to know Dr.Fone – System Repair’s limitations:

Depending on the toolkit required, the program can be costly.

safe & secure

Conclusion

Fixing an Android part of the touch screen not working issue can be quickly done with just a few fixes you can do on your own. However, there may be times when the solutions provided above may not work, and the worst part is factory resetting your phone erases all your data.

That’s why Dr.Fone – System Repair might be your best solution. It has all the tools you need to keep your Oppo A78 100%. Not only that, but with Dr.Fone, you can repair your Android system issues without dealing with any data loss.

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

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 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.

Follow the on-screen instructions on how to then boot your Oppo A78 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!

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.

• 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.

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.

[Solved] Warning: Camera Failed on Oppo A78

In this article, you will learn why camera fails on Oppo A78 devices, how to make camera work again, as well as a system repair tool to fix this issue in few clicks.

Oppo A78 devices are one of the best Android devices available in the market and their users are always satisfied with their features. However, it is a recent observation that many Oppo A78 users complain about Oppo A78 camera failed error while using the camera App on the Oppo A78 device. It is a strange error and pops up suddenly with only one option to tap on, i.e., “OK”

The error message reads as follows: “Warning: Camera Failed”.

Once you click on “OK” the app shuts down abruptly and your Oppo A78 camera is failed. We understand this is not a very pleasing situation, thus, here are ways to tackle the camera failed Oppo A78 issue. Let us now move ahead and find out why exactly you experience Warning: Camera Failed error and how to fix it.

Part 1: Why Oppo A78 phone has Warning: Camera Failed error?

We are all aware that no device runs smoothly, without any glitches. We also know that there is a cause behind every problem. Listed below are a few reasons behind camera failed error, especially on Oppo A78 devices:

If you have recently updated your OS version, there are chances that certain bugs are preventing the camera App from functioning normally. Also, if the update is interrupted and not downloaded completely, certain apps may suffer.
There are chances of your internal storage being cluttered with unwanted Apps and files leaving no space for the camera App to save its data and work smoothly.
If you haven’t cleared camera Cache and Data, the chances of the App to get clogged up increase tremendously which disrupt its working.
Warning: Camera Failed error can also be a direct outcome of a change in the system settings or the Oppo A78 device’s internal settings.
Finally, if you tamper a lot with the camera settings and do not update the App whenever it is available, Oppo A78 Camera App will not be efficient.

There might be much more reasons for the camera failed error, but these are the most obvious ones. Now let us now move on to troubleshooting the problem.

Part 2: How to fix Oppo A78 Camera Failed in One Click?

If you are experiencing some kind of issues in your Oppo A78s such as Oppo A78 camera failed, the Oppo A78 device stopped working, black screen, play store not working, etc. There is a special software is designed for such kind of issues in Android devices, i.e. dr. fone. The tool enables the users to fix various kinds of issues in the Oppo A78 devices and perform a complete system repair so the Oppo A78 device starts working normally.

Dr.Fone - System Repair (Android)

One-click solution to fix camera failed on Oppo A78 devices

The tool has a one-click operation which makes it super easy to use.
You don’t need any technical skills expertise to operate the software.
The software supports all the Oppo A78 devices including the latest and older ones.
The software can fix the “warning camera failed”, the app is crashing, failed update, etc.

4,616,396 people have downloaded it

Note: You have to remember that the system repair may erase all the Oppo A78 device data. So, create a backup of your Oppo A78 data first and then try fixing the Oppo A78 phone.

Follow the steps given below and fix the camera failed error:

Step 1. Download the software on your computer and launch it. Connect your device and select the System Repair option from the main interface. In the next screen, select Android Repair module.

Step 2. You will have to provide the Oppo A78 device details accurately to ensure that the software provides a precise firmware package to be downloaded. Enter brand, name, model, country, and carrier of your device and agree to the terms and condition.

Step 3. Now put your device in the download mode. The software will provide you with a guide to put the phone in download mode to begin the downloading process.

Step 4. As soon as the firmware is downloaded, the software will automatically initiate the repair process. You will be able to see the ongoing repair.

When the software is done repairing the system, you will be notified. Thus, the Camera failed Oppo A78 error in your phone will be fixed.

Part 3: How to fix Camera Failed error by clearing camera data?

Has anyone ever informed you that it is absolutely necessary to keep clearing camera data every once in a while? Yes, since it deletes all unnecessary data stored in respect of the App and no, it does not mean that all your photos and videos will get deleted. Just follow the steps given below to clear camera data:

1. First, visit “Settings’” on your Oppo A78 device and select “Apps” or Application Manager”.

2. Now a list of all Apps will appear before you. Keep scrolling down until your find “Camera”.

Tap on “Camera” to open the “Camera Info” screen and once you are there, hit “Clear Data” option as shown below.

That’s all, now return to the Home Screen and access the camera again. Hopefully, it will work now.

Part 4: How to fix Camera Failed error by removing third-party Apps?

Another tip to fix Oppo A78 camera failed error is by deleting a few unwanted third-party Apps (recently installed) to free some space in the Oppo A78 device’s internal storage. It is essential to create and keep storage space for the camera App to function smoothly and allow it to store its data as well. Also, if this issue only happens recently, it might be some newly installed Apps causing some glitches with the camera.

Simply, follow the instructions given below to remove Apps from Oppo A78 Devices:

1. Click on the “Settings” icon on the Home Screen and from the options before you, select “Apps”/ “Application Manager”.

2. You will see that a list of downloaded and built-in Apps will open up before you as follows.

3. Now, once you select the App you want to uninstall, the App Info screen will appear. Tap on “Uninstall” option and then tap on “Uninstall” again on the pop-up message.

The App will be removed immediately and its icon will disappear from the Home Screen and you will notice an increase in the storage capacity of your device.

Part 5: How to fix Camera Failed error by wiping Cache Partition?

This method might seem tedious and time-consuming and you may also lose your data and essential settings. However, wiping the Cache Partition only cleans your device system internally and gets rid off any unwanted and trouble making elements causing Warning: Camera Failed error. Follow the step-by-step guide given below to clean Cache Partition smoothly:

1. Firstly, switch off the Oppo A78 device by pressing the power button and tapping on “Power Off” as shown in the screenshot below. Then wait for the lit screen to turn off completely before proceeding further.

2. Now, press and hold the power on/off, home and volume up button simultaneously. Your device will now vibrate. This a signal to let go of the power button (only).

3. Once the Recovery Screen appears, leave all buttons and use the volume down key till you reach “Wipe Cache Partition”.

4. Now, to select the option to use the power on/off button and wait for the process to get over. Once this done, tap on “Reboot system now” and see that your device restarts normally.

You may try to use the camera app once the process completes.

Part 6: How to fix Camera Failed error by Reset Settings?

Resetting the camera settings solves the problem 9 out of 10 times and thus is worth a try.

1. To reset, first, launch the Camera App by tapping on its icon.

2. Then go to Camera “Settings” by tapping on the circular gear like icon.

3. Now look for “Reset Settings” options and click on it.

Once done, go back to the Home Screen and start the camera App again to use it.

Part 7: How to fix Camera Failed error by Factory Reset?

Lastly, if the above-mentioned techniques do not help you in fixing the camera failed error, you can consider performing a Factory Reset. Note: This method will delete all your saved data so it is advised to backup before you start the process.

Here are the steps to factory reset your device to fix “Warning: Camera Failed” Error:

1. Start by visiting “Settings” on your Oppo A78 device on which the camera has failed.

2. Now from the list of options before you, select “Backup and reset” and move ahead.

3. Now you must first select “Factory data reset” and then tap on “Reset Device” as shown in the screenshot below.

4. Finally, you have to click on “Erase Everything” and wait for the Oppo A78 device to reboot itself.

Note: You will have to set up your Oppo A78 device from scratch once it is reset, however, that is a small price to pay to fix your Camera App.

Warning: Camera Failed error is not a rare phenomenon and many users experience it on daily basis. So, there is no need to panic, All you need to do is carefully follow the instructions given above and repair your Camera App yourself. You do not need to seek any technical assistance for the same as the camera failed issue is not difficult to deal with. So go ahead and try these tricks to enjoy using the Camera App on your Oppo A78 devices.

Fix Guide

How To Fix Part of the Touch Screen Not Working on Oppo A78 | Dr.fone