Fix the Error of Unfortunately the Process.com.android.phone Has Stopped on Vivo Y78t

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 Vivo Y78t.

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 Vivo Y78t. 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 Vivo Y78t and potentially fix the error:

Step: Long-press your Vivo Y78t’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 Vivo Y78t 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 Vivo Y78t 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 Vivo Y78t 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 Vivo Y78t 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 Vivo Y78t’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 Vivo Y78t, 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 Vivo Y78t:

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 Vivo Y78t 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 Vivo Y78t devices with support for all modern Vivo Y78t 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 Vivo Y78t’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 Vivo Y78t 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 Vivo Y78t

Click on “Start” to initiate the process, and following that, you will be prompted to provide specific details about your Vivo Y78t. 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 Vivo Y78t 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 Vivo Y78t 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.

What To Do When Vivo Y78t Has Black Screen of Death?

Have you ever got the error of freezing the Android device home screen? Or the notification light keeps blinking without anything shown on display? Then you are facing Android black screen of death.

This scenario is common with many Android mobile users, and they always hunt for solutions to get rid of this Android black screen problem. Here are some more situations that can assure you that you are facing Android black screen of death.

The light of the phone is blinking but the Vivo Y78t device is not responding.
The phone is hanging and freezing very frequently.
The mobile is rebooting and crashing more often and the battery is draining a lot faster.
Phone restarts on its own.

If you face these situations, you might be facing the Android black screen of death issue. Follow this article, and we’ll discuss how to get rid of this annoying problem at ease.

Part 1: Why Android device gets black screen of death?

Similar to the “Blue Screen of Death “ (BSOD) on computers, the Android Black Screen of Death indicates a severe system crash or malfunction. When this issue occurs, the Vivo Y78t device’s display remains blank, and you are unable to interact with the Vivo Y78t device, access apps, or perform any actions. The cause of the Android black screen of death can vary, but some common factors include:

Install incompatible apps or apps with bugs and viruses.
Have bugs or errors in the Android operating system.
Keep the mobile charged for long after it’s fully charged.
Use a non-compatible charger.
Use an old battery.
Incorrectly install or incomplete system updates.
Excessive heat due to heavy usage or environmental factors.

If you face the situations mentioned above, this is clearly a case of the Android screen black. But don’t worry about that. You can follow the article below to get rid of this situation on your own.

Part 2: How to rescue data when Android gets black screen of death?

This annoying Android black screen of death is making it impossible to access your internal data. So, the possibility is that you might lose all the data. We have a solution for all of your data recovery problems from a damaged Android device.

The solution for recovery data is the Dr.Fone - Data Recovery (Android) toolkit by Wondershare. This tool is highly appreciated worldwide and very popular for its feature-rich user interface. This tool can perform a lot of functions that can successfully recover the data from a damaged device.

Use this revolutionary toolkit to get the data back from the black tablet screen of death. Connect the Vivo Y78t device with the PC after installing this tool and follow the on-screen instruction, and all of your data will be transferred to your PC. Unfortunately, the tool is supported on selected Vivo Y78t Android devices as of now.

Dr.Fone - Data Recovery (Android)

A Dedicated Tool to Retrieve Data from Broken Android Devices .

Recover data from broken devices or devices that are damaged in any other way, such as those has black screen.
Recover photos, videos, contacts, messages, call logs, and more.
Highest retrieval rate in the industry.
Compatible with most Vivo Y78t devices.

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Part 3: 9 Solutions to fix the black screen of death of Android

3.1 One click to fix the black screen of death

Facing an Android device with a black screen of death, I believe, is one of the gloomiest moments of one’s life, especially for those who know little about the technical part of Android. But here is the truth we have to admit: most cases of the black screen of death arise due to system glitches in Android.

What to do? Shall we find someone who is tech-savvy to seek help? Come on, this is the 21st century, and there are always one-click solutions to deal with technical issues for laymen like you and me.

Dr.Fone - System Repair (Android)

Fix Black Screen of Death for Android In One Click

Fix all Android system issues like a black screen of death, OTA update failures, etc.
Update the firmware of Android devices. No technical skills are required.
Support all the new Vivo Y78t devices like Galaxy S22, S23, etc.
Click-through operations to bring Android out of the black screen of death.

3,364,231 people have downloaded it

Here are the easy steps to get your Vivo Y78t out of the black screen of death:

Download and install the Dr.Fone tool. After launching it, you can see the following screen pop up.
Select “System Repair” from the home page, and then click on the “Android “.
Click “Start” to commence the Android system repair. In the next screen, select and confirm your Android model details like name, model, country, etc. and go on.
Boot your Android into Download mode by following the on-screen demonstrations.
Then the tool will download the Android firmware and flash the new firmware to your Vivo Y78t.
A moment later, your Vivo Y78t will be repaired completely, and the black screen of death will be fixed.

Video guide: How to fix the Android black screen of death step by step

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3.2 Force restart your Vivo Y78t

Because it is the quickest and most painless solution, most people do this when their Android phone screen goes black too fast. The majority of phone issues can be resolved by performing a hard reboot. Here are the necessary measures if you haven’t tried this method before.

To reboot your Vivo Y78t, you may need to press a specific key combination, depending on the model you have, but most Android devices can be force restarted by doing the following steps:

Step 1: Press and hold the power button for about 10-15 seconds. Keep holding it until the Vivo Y78t device restarts.

Step 1: For Vivo Y78t devices, press and hold down the Power and Volume Down buttons for about 7 seconds.

3.3 Check and clean your phone

This method might not be popular with Android users, but this can do wonders when dealing with an Android black screen of death issue. To do this, follow the steps provided below:

Step 1: Ensure your phone’s buttons and ports are not stuck before anything else.

Step 2: See if dirt prevents you from turning the Vivo Y78t device on. Then, quickly press and release the button a few times.

Step 3: If the phone isn’t charging normally, ensure the charging port isn’t clogged with dust and debris by checking and cleaning it. You can gently blow out any debris in the charging port or use a wooden toothpick to pry it open.

Step 4: After you’re done with the cleaning, it’s best to charge the phone for at least 10 minutes. Just give it a quick charge and then try to restart it.

3.4 Remove the battery

If your phone’s battery is removable, you can try taking it out and trying again if restarting and cleaning it doesn’t fix the problem.

Step 1: To get started, take the phone apart by starting at the back.

Step 2: After 20 to 30 seconds, take out the battery and put it back in.

Note: When replacing the battery, ensure the metal contacts correctly connect to the phone.

This easy and straightforward method should help you fix your Android screen black issue, but if it doesn’t, continue reading, as this article got more techniques you can try.

3.5 Recharge the Vivo Y78t device

If your Vivo Y78t screen suddenly goes black, let the battery die completely. Then once the battery is completely dead, you should plug it in to charge and turn it on by pressing the Power button. Try to check if you still encounter the issue after doing so.

3.6 Wipe cache partition to fix black screen of death

If your Vivo Y78t turns on, but the screen remains black, clearing the cache partition should solve the problem. After all, keeping caches on your phone would cause it to run more slowly and cause other problems. Therefore, the issue can be resolved by clearing the cache partition. Check the following steps on how to do this below:

Step 1: Turn off your Vivo Y78t.

Step 2: Boot the Vivo Y78t device into Recovery Mode.

Note: The steps necessary to enter recovery mode will vary depending on your specific Android phone model. To ensure you’re doing the correct steps for your device, consult the user manual or look it up online. The following instructions work for Vivo Y78t devices:

For older Vivo Y78t devices with the home button: Press and hold the Volume Up button, the Power button, and the Home buttons simultaneously.
For newer Vivo Y78t devices without the home button: Press and hold the Volume Up button and the Power button together.
If the Vivo Y78t device logo appears, release your grip, and the phone will restart.

Step 3: Find the Wipe cache partition option using the volume controls after entering Recovery Mode.

Step 4: Select Wipe cache partition by pressing the Power button.

Step 5: On the next screen, use the Volume Down button to highlight “Yes” and then press the Power button to confirm the cache wipe.

Step 6: The cache partition will be wiped, and you will see the “Cache wipe complete” message on the screen.

Step 7: Use the Volume Down button to navigate to the “Reboot system now” option and press the Power button to reboot your Vivo Y78t device.

After rebooting, you can see that you have successfully got rid of the annoying Android black screen of death. For most of the cases, this method solves the problem. If not, you have to move to the next method.

3.7 Uninstall incompatible apps

Android screen black can be a result of installing a bug or incompatible apps. If you have recently installed an app that crashes frequently, that may be the reason for the issue. Uninstalling the app from the Vivo Y78t device may solve the problem with ease. For doing this, you need to boot your device in Safe mode. Follow the below steps.

Step 1: Power down your device by pressing and holding the Power button until a menu appears.

Step 2: Navigate to Safe Mode by pressing and holding the Power Off button.

Step 3: Tap the “Safe mode” icon to enter Safe mode. You should now see Safe Mode at the Vivo Y78t device’s bottom.

Step 4: After selecting Settings, head to the Apps section.

Step 5: Select the app by clicking on it; the App Info window should appear. To uninstall the app, tap the Uninstall option from the menu below the screen.

Step 6: Now restart the Vivo Y78t device by pressing the power button and let it boot up in normal mode.

If the app is the reason for Android black screen of death, then after uninstalling, you can get rid of this issue. If not, now you have to factory reset your device to solve the problem.

3.8 Reboot to safe mode

Even after multiple attempts to launch them, certain applications act suspiciously and cause the Vivo Y78t device to crash. When an Android phone suddenly goes black, you can often isolate the problem to a specific app by booting into Safe mode.

Step 1: Begin by restarting your phone. To do that, press the Power button until a menu appears.

Step 2: Press the Power Off button to enter Safe mode.

Step 3: Activate Safe mode by clicking the “Safe Mode” icon.

Step 4: To return to Normal mode, turn off your device and then turn it back on.

3.9 Factory reset to fix Android black screen of death

The factory reset is the option that enables the factory state of your device by erasing all data, settings, bugs, and apps. Your device will be fresh like factory condition after this reset. Worth mentioning here, you’ll lose all the internal data and installed apps after this reset. So, to overcome the Android tablet black screen of death, you must perform this action as the last option. Follow the below steps carefully.

Step 1: Turn off the Vivo Y78t device. Then press the Volume Up + Power button + home button (or press Volume Up + Power buttonS) altogether and let the mobile boot into recovery mode.

Step 2: After booting up in recovery mode, you can find the “Factory data reset” option. Navigate to that option with the volume up and down arrow and select it with the power button.

Step 3: In this step, you need to confirm your action by tapping on the “Yes” option. After this, your device will start erasing. This may take a while to complete the whole process.

Now, your device will reboot automatically and you can see the Android black screen of death problem is solved.

Part 4: How to avoid Android black screen of death?

These are the general methods to overcome the situation of Android screen black. But to avoid this situation, here are a few tips to follow –

Install apps from trusted suppliers only.
Use security or antivirus software on your device.
Take a backup at regular intervals.
Always keep Android OS updated.
Don’t keep your mobile charged for a long duration after a full charge.
If your battery gets old, replace it soon.
Keep your device’s storage well-maintained. Regularly delete unnecessary data.
Close unused apps running in the background to conserve system resources.
Prevent phone overheating by avoiding excessive usage, and not exposing it to direct sunlight for extended periods.

By following these steps, you should avoid the most unpleasant situations, such as the Android screen black. We all know that “Prevention is always better than cure”.

The Bottom Line

There could be a lot of reasons why an Android black screen issue occurs, but the important thing is knowing the correct ways how to fix it. And this article has covered nine proven methods to help you fix an Android phone screen black problem.

But among the methods discussed above, Dr.Fone – System Repair just stood out as this program does not only help you with a black screen of death problem, but it covers many other Android system issues too. It’s also a highly intuitive program that requires no skills to operate.

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How To Deal With the Vivo Y78t 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 Vivo Y78t 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 Vivo Y78t 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 Vivo Y78t.

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 Vivo Y78t 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.

HowTo

Fix the Error of Unfortunately the Process.com.android.phone Has Stopped on Vivo Y78t | Dr.fone