Vivo Y77t Bootloop Problem, How to Fix it Without Data Loss

Have you, like many other users, faced the bootloop Android problem and wondered what exactly is Android boot loop. Well, Android boot loop is nothing but an error that makes your phone switch on itself every time you manually turn it off. To be precise, when your Vivo Y77t does not remain switched off or powered off and starts to boot up automatically after a few seconds, it might be stuck in the boot loop Android.

An Android boot loop is a very common problem and is one of the first symptoms of a soft-bricked device. Also, when your device is experiencing Android boot loop issue, it does not start normally to reach the Home or Locked Screen and remains frozen at the Vivo Y77t device’s logo, Recovery Mode or a lit-up screen. Many people fear losing their data and other files due to this error and thus, it is a very confusing situation to be in.

We understand the inconvenience caused, therefore, here are ways to tell you how to fix the bootloop problem in Android devices without losing any important data.

However, before moving on, let us learn a little about the causes for the Android boot loop error.

Part 1: What might cause the bootloop issue on Android?

Android boot loop error might seem weird and unexplainable but it occurs because of some specific reasons.

Firstly, please understand that it is a misnomer that boot loop error occurs only in a rooted device. Boot loop Android error can also occur in a stock device with the original software, ROM, and firmware.

In a rooted device, changes made, such as flashing a new ROM or customized firmware which are not compatible with the Vivo Y77t device’s hardware or existing software, can be blamed for the boot loop problem.

Moving on, when your device’s software is unable to communicate with the system files during the start-up process, Android boot loop problem may arise. Such a glitch is caused if you have recently updated the Android version.

Also, corrupt App update files may also cause the bootloop Android issue. Apps and programs downloaded from unknown sources bring in a particular type of virus that prevents you from using your device smoothly.

All-in-all, Android boot loop error is a direct outcome of when you try to tamper with your device’s internal settings.

Hence, if you are looking for ways to guide you about how to fix boot loop issue, you will have to revamp the Vivo Y77t device internally by either resetting it or adopting a recovery method.

Read on to know more about how to fix the bootloop error without any data loss when your device suffers from the bootloop Android problem.

Part 2: One click to Fix Android Bootloop without factory reset

If you are trying to figure out how to fix boot loop, the first option you have is the one-click fix to Android Bootloop which involves using the Dr.Fone - System Repair software.

This is designed to repair any data corruption on your device and restores your firmware to its usual working condition.

Dr.Fone - System Repair (Android)

One click to fix boot loop of Android

• #1 Android repair solution from your PC, can fix a wide range of Android system issues, such as boot loop, black screen, etc.
• The software requires no technical expertise, and anybody can use it
• A one-click solution when learning how to fix Android boot loop
• Not require root Android phones.
• Works with most Vivo Y77t devices, including the latest Vivo Y77t phones like S22
• Simple and easy-to-use user interface

4,689,059 people have downloaded it

To help you get started, here’s a step-by-step guide on how to use Dr.Fone - System Repair.

Note: This method can erase data on your device, including your personal files, so make sure you’ve backed up your device before proceeding.

Step #1 Download the Dr.Fone - System Repair software from the website and install it onto your computer.

Open the software and select the System Repair option from the main menu to fix the Android bootloop error.

Step #2 Connect your Vivo Y77t to your computer using the official cable and select the “Android” option from the three menu items. Click “Start” to confirm.

You’ll then need to input the Vivo Y77t device information, such as your carrier info, device name, model, and country/region in order to ensure you’re downloading and repairing the correct firmware to your phone.

Step #3 Now you’ll need to put your phone into Download Mode to remove the Android bootloop.

For this, you can simply follow the onscreen instructions for both phones with and without home buttons.

Click “Next”, and the software will begin downloading the firmware repair files.

Step #4 Now you can sit back and watch the magic happen!

Make sure your computer stays connected to the internet, and your device stays connected to your computer throughout the entire process. Once the firmware has been downloaded, it will be automatically installed onto your mobile device, removing the boot loop Android error.

You’ll be notified when the process is done and when you can remove your device and start using free from the boot loop Android error!

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Part 3: Soft reset to fix Android bootloop issue

When your device is stuck in Android boot loop, it does not necessarily mean that it is bricked. Boot loop might be occurring due to a simpler problem which can be fixed by turning off your device. This sounds like a home remedy for a serious problem but it works and resolves the problem most of the time.

Follow the steps given below to soft reset your device:

Turn the Vivo Y77t device off and take out its battery.

If you cannot take the battery out, let the phone be off for about 3 to 5 minutes, and then turn it back on.

Simply performing a soft reset on your device can help you if you are looking for solutions for how to fix the bootloop issue. This a very useful method as it does not result in any kind of loss in data and protects all your media files, documents, settings, etc.

In case the Vivo Y77t device does not turn on normally and is still stuck in the bootloop Android problem, be prepared to use the troubleshooting techniques given and explained below.

Part 4: Boot into Safe Mode to fix Android boot loop

Booting your Vivo Y77t into Safe Mode is a useful troubleshooting step to fix boot loop issues caused by third-party apps. When in Safe Mode, the Vivo Y77t device will start up with only essential system apps, and any downloaded apps that might be causing conflicts won’t run. Here’s how you can boot your Vivo Y77t into Safe Mode to address the boot loop problem:

Step 1: Power Off Your Device

Hold down the power button until it turns off completely.

Step 2: Access Safe Mode

To enter Safe Mode, follow these steps based on your device model:

• For most Android devices: Press and hold the power button to turn on your device. As soon as the manufacturer’s logo appears, press and hold the Volume Down button until the Vivo Y77t device finishes booting. You should see “Safe Mode” displayed in the bottom left or right corner of the screen.
• Some devices might require slightly different key combinations. Refer to your device’s user manual or perform an online search for the specific method to enter Safe Mode for your model.

Step 3: Observe the Vivo Y77t device

Once your device has booted into Safe Mode, use it for a while to see if the boot loop issue persists. If the boot loop doesn’t occur in Safe Mode, it indicates that the problem is likely caused by a third-party app.

Step 4: Identify and Uninstall Problematic Apps

Now that you’re in Safe Mode, it’s time to identify the troublesome app. Start by uninstalling recently installed apps one by one until the boot loop problem is resolved. After each uninstallation, restart your device normally to check if the boot loop still occurs. Continue this process until you find the problematic app.

Step 5: Restart Normally

Once you’ve identified and uninstalled the problematic app, restart your device normally to exit Safe Mode. Your Android device should now start up without getting stuck in a boot loop.

By following these steps and using Safe Mode to isolate problematic apps, you can effectively troubleshoot and resolve boot loop issues on your Vivo Y77t.

Part 4: Factory reset to fix Android bootloop issue

Factory reset, also known as Hard Reset, is a one-stop solution for all your software resulting in issues. Android boot loop being such problem, can be easily overcome by performing a factory reset.

Please note that all your device’s data and settings will be deleted by adopting this method. However, if you have a Google account signed in on your Vivo Y77t, you will be able to retrieve most of your data once the Vivo Y77t device turns on.

To factory reset your Android boot loop device, you must first boot into the Recovery Mode screen.

To do this:

Press the volume down button and power button together until you see a screen with multiple options before you.

When you are at the Recovery Mode screen, scroll down using the volume down key, and from the options given, select “Factory Reset” using the power key.

Wait for your device to perform the task and then:

Reboot the phone in Recovery Mode by selecting the first option.

This solution is known to fix the boot loop error 9 out of 10 times, but if you still can’t start your Vivo Y77t normally, consider using a CWM Recovery to resolve the Android boot loop issue.

Part 5: Use CWM Recovery to fix bootloop on rooted Android

CWM stands for ClockworkMod and it is a very popular custom recovery system. To use this system to solve the boot loop Android error, your Vivo Y77t must be rooted with CWM Recovery System which basically means CWM must be downloaded and installed on your device.

Furthermore, to use CWM Recovery to fix boot loop on rooted Android devices, follow the steps given below:

Press the home, power, and volume up buttons to launch the CWM Recovery screen.

Note: you might have to use a different combination of keys to enter into Recovery Mode, depending on your device’s model.

Scroll down using” the volume key to select “Advanced”.

Now select “Wipe” and choose to wipe “Dalvik Cache”.

In this step, select “Mounts and Storage” to click on “Wipe” or “Cache”.

Once this is done, make sure to reboot your Vivo Y77t.

This process with successfully fix the Android boot loop error and not cause any loss of data stored on your device stuck in boot loop.

So the bottom line is that boot loop Android issue may seem like an irreparable error but it can be resolved by carefully following the techniques explained above. These methods not only tell you how to fix the bootloop problem but also prevent it from occurring in the future.

An Android boot loop is a common phenomenon with all Android devices because we tend to tamper with our device’s internal settings. Once the ROM, firmware, kernel, etc are damaged or rendered incompatible with the Vivo Y77t device’s software, you cannot expect it to function smoothly, hence, the boot loop error occurs. Since you are not the only one suffering from the Android boot loop problem, be rest assured that the ways, given above, to combat it are recommended by users facing similar troubles. So, don’t hesitate and go ahead to try them on.

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How To Restore a Bricked Vivo Y77t Back to Operation

In moments of lag or freezing on your Android, you might brick Your Vivo Y77t, which can be unsettling. This is more than just the loss of a device. A bricked cell phone also involves potential data erasure. Yet, it’s crucial to understand the true implications of a bricked phone. This page tackles how to address the issue of a bricked Android phone.

This comprehensive guide aims to the reasons behind Android phones becoming bricked. By reading below, you’ll learn effective methods to unbrick a mobile phone without the risk of data loss.

Part 1. What are Brick Phones: At a Glance

The term “bricked phone“ is used when a device becomes non-functional. This is typically due to a critical software or firmware error. There are two distinct scenarios for encountering a bricked phone: a soft brick and a hard brick.

• Soft Brick. A soft brick entails a phone that’s not operational due to software glitches or conflicts but is not irreparable.
• Hard Brick.A hard brick signifies a more dire situation. This is where the phone becomes inoperable, resembling an actual brick in terms of functionality.

The Common Causes of a Cell Phone Bricking

Below are the common causes why a cell phone bricks.

Failed Updates

When a firmware or system update fails, it can lead to a bricked phone. Updates involve intricate changes to the phone’s software. If interrupted or incompatible, the Vivo Y77t device may get stuck in a state of partial functionality. This can result in a soft brick.

Failed Flashing

Flashing involves installing custom firmware or software onto a device. If the flashing process is interrupted or if the firmware used is not compatible with the Vivo Y77t device’s hardware, it can cause a hard brick. The device’s essential software components may become corrupted, rendering the phone unusable.

Rooting

Rooting, which grants users superuser access to their device’s OS, can lead to bricking if not done right. Rooting often involves making deep system changes, and errors can disrupt the phone’s core functionality.

Installing Bad Apps

Installing malicious, incompatible, or poorly coded apps can lead to a soft brick situation. In severe cases, they can trigger a boot loop or render the phone unresponsive.

Others

Several less common factors can also contribute to bricking. Overclocking, attempting to modify the bootloader, or tampering with system files can lead to disastrous consequences. Hardware issues, such as faulty memory or battery problems, might also manifest as bricked devices.

Part 2. Unbricking Methods and Tools

Below are solutions that you can employ to fix various brick phone scenarios.

Reverting Android Device to Factory Defaults (Soft Brick)

A universal approach to trying to recover a brick phone exists for all Android phones. This is, consider restoring your device to its factory settings. You can find instructions specific to your phone model online. Although this procedure erases all your data, it’s possible to regain the use of your brick phone.

Get in Touch With the Manufacturer (Hard Brick and Soft Brick)

Normally, smartphone warranties span from 1 to 2 years. If your phone remains unrooted and falls within that coverage period, consider reaching out to the manufacturer. This direct approach could lead to your phone being repaired or replaced with a new one at no cost to you.

Seek Professional Assistance (Hard Brick and Soft Brick)

When your phone falls outside the warranty coverage, consider seeking help from a reputable repair shop. However, be aware that any lost data cannot be attributed to their efforts. Fortunately, you can recover lost data using reliable data recovery software once your phone is operational again.

Use a Dedicated App To Fix Bricked Mobile Phones (Hard Brick and Soft Brick)

Among the array of tools designed for unbricking and recovery, one standout is Wondershare Dr.Fone - System Repair (Android). With an exceptional recovery rate, it stands out as one of the top contenders for data retrieval. Its performance is notable when applied to modern brick phones, making it a highly effective choice for these devices.

Part 3. Unbricking Mobile Phones With Dr.Fone - System Repair (Android)

Dr.Fone - System Repair (Android) empowers you to resolve a range of prevalent Android problems. This Android repair tool eliminates the need to hunt for suitable firmware to flash your phone. By utilizing Dr.Fone – System Repair (Android), you can recover data on Your Vivo Y77t with a few clicks.

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4,039,461 people have downloaded it

Key Features

Below are some of the standout features of Dr.Fone - System Repair (Android)

Address Android Challenges Like a Professional

From common scenarios like black screens and boot loops to even bricked Android devices, this tool has you covered. Dr.Fone has simplified the process so that anyone can fix Android problems.

Support for Over 1000 Android Models

This software is designed to fix glitches including most modern Android devices. Whether your Vivo Y77t is an unlocked variant or tied to carriers, you can restore it back to normal in just a matter of minutes.

Trial Access at No Cost

Dr.Fone - System Repair (Android) offers free access for you to test the initial steps and verify device compatibility. This cost-effective feature ensures value for money every step of the way.

Main Advantages of Using Dr.Fone – System Repair (Android)

Dr. Fone – System Repair (Android) is a great solution with numerous tools to help you manage your Vivo Y77t in various ways. Here are some of the advantages of using the app for fixing bricked phones.

• Fone – System Repair (Android) comes with a clean UI making navigation and usage easy. The user-friendly design offers a seamless experience for beginners and professionals alike.
• Utilizing the app for system repair is an effortless and speedy process. It doesn’t take up much time to revive your bricked phoneso you can use it right away.
• The System Repair toolkit only needs you to click on a few buttons. Combined with its clean UI and speedy process, using the app is a breeze.

Part 4. How To Revive a Bricked Phone Using Dr.Fone – System Repair (Android)

Below are the steps to recover data on a bricked mobile phone.

• Step 1: Download and install Dr.Fone – System Repair (Android) on your computer. Launch the app and select System Repair. Next, choose Select Android as the Vivo Y77t device type. Then, connect to your Vivo Y77t. Choose Phone Brick as the Android problem and click Start.

• Step 2: Select the correct device information. Choose the Brand, Name, Model, Country, and Carrier. Tick the box next to I agree button and click Next to proceed to the next step.

• Step 3: Click on the Phone with Home button or Phone without Home button depending on your device. Follow the on-screen instructions and click Next to proceed with reviving your brick phone.

• Step 4: Once the Vivo Y77t device enters Download Mode, the firmware will automatically start downloading. Follow the on-screen prompts and wait for the system to initiate the repair process. Once it concludes, the completion message will appear on the main window. Click Done to close the tool or click Try again to repeat the process.

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Conclusion

Fixing a bricked phone may seem daunting, but solutions are within reach. This page explained the distinctions between soft and hard brick scenarios. It also identified common causes and revealed effective methods for unbricking.

Among these, Dr.Fone – System Repair (Android) emerges as a dependable ally. The tool offers a comprehensive toolkit for recovery and data rescue. The power to reclaim lost data lies in your hands. Act, follow the methods outlined, and recover your brick phone.

How To Fix Part of the Touch Screen Not Working on Vivo Y77t

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 Vivo Y77t 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 Vivo Y77t 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:

• Vivo Y77t P40 lite half touch screen not working
• Nexus touch screen not working
• LG screen is unresponsive to touch
• Vivo Y77t 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 Vivo Y77t device cover and screen protector if they are not damaged.
• If there is a sticker on the Vivo Y77t 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 Vivo Y77t device in diagnostic mode and verified that it is not physically damaged, then the problem is most likely technical. If your Vivo Y77t’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 Vivo Y77t 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 Vivo Y77t device turns off, wait a few seconds.

Step 3: Press and hold the “Power” button to restart the Vivo Y77t 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 Vivo Y77t 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 Vivo Y77t 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 Vivo Y77t, you must boot it into Download mode. To boot your Vivo Y77t or tablet into DFU mode, follow the steps below:

For a device that has a Home button:

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

For a device that lacks a Home button:

1. Turn off the Vivo Y77t device.
2. Hold the Volume Down, Bixby, and Power buttons for 5 to 10 seconds.
3. 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 Vivo Y77t. And in a while, your Vivo Y77t’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.

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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 Vivo Y77t 100%. Not only that, but with Dr.Fone, you can repair your Android system issues without dealing with any data loss.