In 2024, How to Unlock Vivo Y77t Bootloader Easily

In 2024, How to Unlock Vivo Y77t Bootloader Easily

Peter Lv12

How to Unlock Vivo Y77t Bootloader Easily

Do you want to unleash the true power of your smart phone? Do you wish to have complete control over your smart phone? If yes, well, here is the answer; unlock bootloader. For people who are already into the tricks of hacking and rooting smart phones, might be aware of this. But still, there are exciting new developments. Bootloader is a code existing in all operating systems which usually comes pre-locked. So, it is important, if you wish to have a custom ROM installed on the Vivo Y77t device, or if you wish to have other controls like installing applications which are incompatible, to have the Vivo Y77t device bootloader unlocked. But going through with the process of unlocking bootloader and rooting the Vivo Y77t device will not help and rather might break the warranty of the Vivo Y77t device. This definitely calls for a diligent watch on how to unlock HTC bootloader. So, it is imperative as a user to know the process of HTC bootloader unlock. This article serves you with some ways you could follow to unleash the true power of your HTC device. Here’s how you can do it.

Part 1: Why We Want to Unlock HTC Bootloader

For people with HTC device, unlocking bootloader would mean complete authority over the smart phone and you have all the power to control the HTC device by all means. Since, bootloader usually comes pre-locked, unlocking the bootloader is the initial step if you would like to have a custom ROM installed in your device. There are various advantages of HTC unlock starting from gaining rights of control to installing latest custom ROMs in the phone and installing incompatible applications. Moreover, HTC unlock bootloader could boost the Vivo Y77t device speed and battery life and also help in making complete backups of the Vivo Y77t device. You could also have controls to remove bloatware from the HTC device. So, all in all, while there could be certain side effects, if not done properly, there are various advantages of unlocking HTC bootloader. If the process is carried out properly, the Android device could be the perfect smart phone you would like to have.

Part 2: How to Unlock Vivo Y77t Bootloader

Vivo Y77t is the flagship device of HTC by all means. With a world of features and offerings, Vivo Y77t truly is a beast. While the phone is very powerful without any modifications, the true potential is yet to be seen and that can only be done if the bootloader is unlocked. So, to have a complete control over the Vivo Y77t device, it is important to unlock the bootloader and the process has to be carried out diligently. One of the initial things that needs to be ensured is that the Vivo Y77t device is fully charged or atleast 80% mark. Make sure you have the fastboot drivers for the Vivo Y77t device configured on the windows machine and the Android SDK. Here are some of the steps which can be followed to unlock bootloader.

Step 1: It is always very important to keep the phone data backed up and more so when you are planning to unlock the bootloader.

As one of the initial measures, backup the Vivo Y77t device completely as bootloader unlocking process will wipe all the data off. So, backup all the data like photos, contacts, multimedia files, documents, etc.

unlock bootloader htc

Step 2: Go to htcdev.com/bootloader. Ensure that you are registered with HTC and once the sign up is done, log in to HTC dev.

htc unlock bootloader

Now, ensure that HTC Sync Manager is installed on the PC.

Step 3: From the bootloader page, select your device using the drop down option as shown in the picture below.

htc unlock bootloader

After selecting the Vivo Y77t device, click on “Begin Unlock Bootloader”, and then confirm all the dialogue boxes which come your way on screen.

Step 4: Now, you will be presented with four steps to put the Vivo Y77t device in bootloader mode. Disconnect the Vivo Y77t device from the PC and turn the Vivo Y77t device off completely. Press the volume down button along with the power button to switch the Vivo Y77t device on in bootloader mode.

htc unlock bootloader

Step 5: Use the volume keys of the Vivo Y77t device to select Fastboot option along with pressing power button to confirm, after the Vivo Y77t device is in bootloader mode. Now, connect the Vivo Y77t device to the computer using a USB cable.

htc unlock bootloader

Step 6: Go to Fastboot folder on the PC and holding down the shift key, click on any empty space followed by a click on “Open command window here”.

Step 7: In the command prompt window, type “fastboot devices” and press enter. Vivo Y77t will show up in the command prompt.

Note: The drivers have to be installed correctly to see the Vivo Y77t device in the command prompt. So, if the Vivo Y77t device does not show up, reinstall HTC Sync Manager and try again after restarting the computer.

Step 8: On HTC Dev’s website third page, click on “proceed to Step 9”. Follow the steps listed and then click on submit. The unlock token code for the Vivo Y77t device will be mailed by HTC. Download the token and name it “Unlock_code.bin” and place the token in the fastboot folder.

Step 9: Now, in the command prompt window, type the following:

fastboot flash unlocktoken Unlock_code.bin

Step 10: On the Vivo Y77t , one message will appear asking if you want to unlock the Vivo Y77t device bootloader.

htc unlock bootloader

Use volume keys to select and power button to confirm. Once this is done, the Vivo Y77t device will restart once and it’s done. The device is now bootloader unlocked.

How to Unlock Vivo Y77t PIN Code/Pattern Lock/Password

I have forgotten the pattern, PIN, or password needed to unlock my Vivo Y77t smartphone. What should I do?

If you have a Vivo Y77t phone and have forgotten the screen unlock PIN code, pattern lock, or password, you can still access it using some tried and tested tricks and hacks. This article will discuss 5 different ways on how to unlock Vivo Y77t smartphone. Some methods might work without erasing your data, while others, like factory resetting, may erase all content from your phone. Regardless of which method you use, you will be able to unlock your phone! So, let’s get started!

1. How to Unlock Vivo Y77t With Google Find My Vivo Y77t?

A way to unlock the Vivo Y77t phone is via Google Find My Device feature. While this method can help unlock your phone, it erases all content from it.

For this method, you need a PC and your Google account details. Here are the steps for it:

Step 1: Open your browser and go to Google Find My Device  on your PC.

google account verification

Step 2: Log in to the Google account you used to set up your Vivo Y77t phone.

Step 3: It will show you 3 options: Play Sound, Secure Device, and Erase Device.

find my device

 And then select “**Erase Device.**”

select erase data

Selecting this option will erase all content from your device, including screen unlock PIN, password, and pattern.

Step 4: Now, you can access your phone without an unlock PIN or pattern and set a new one.

Use this method only if your phone is backed up so you can restore all your data later.

2. How to Unlock Android device Using Lock Remove Tool?

Another foolproof method on how to unlock Android pattern lock is by using a lock removal tool like Dr.Fone - Screen Unlock (Android) .

Safe downloadsafe & secure

Dr.Fone - Screen Unlock is a screen unlock tool that can unlock your Android phone if you forget its screen unlock PIN, password, or pattern in just 5 minutes. It has a simple operation that requires just a few clicks to unlock your phone screen. Plus, this method is reliable, secure, and has a high success rate. However, there’s a possibility that it might not work with older phone models.

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Dr.Fone - Screen Unlock (Android)

Unlock Android PIN Code/Pattern Lock/Password within Minutes

  • Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
  • Unlock 20,000+ models of Android phones & tablets.
  • Everybody can handle it without any technical background.
  • Save you from ending up with a locked phone after too many pattern attempts.

4,008,669 people have downloaded it

Here are the steps to unlock Android phone using Dr.Fone - Screen Unlock (Android):

Step 1: Launch Dr.Fone on your PC and select the “Screen Unlock” option from the main page.

Step 2: Connect your phone to your PC with a USB cable. Now click on the “Android” > “Unlock Android Screen” option.

connect device to remove android lock screen

Step 3: A device brand will appear. Select your phone’s brand, i.e., Samsung.

select device model

Step 4: Now, follow the instructions as you see to unlock your Android device.

begin to remove android lock screen

Your phone is now unlocked, and you can access it without entering a PIN, password, or pattern.

android lock screen bypassed

Now, if you don’t remember your Google account details and don’t have access to a PC to use a screen unlock tool, you can unlock Android phone using the conventional way.

How to Unlock Vivo Y77t with Google Account?

Almost all Android smartphones, including Vivo Y77t , require you to enter your Google account details when setting up your phone for the first time. This includes the email, password, and security question. These details come in handy later on in situations where your phone is lost or stolen or if you’re switching to another phone. However, they can also help with basic issues like unlocking your phone in case you forget your Vivo Y77t screen unlock PIN, pattern, or password.

You can unlock your Vivo Y77t phone with Google Account in the following two ways:

  • Using Google account details
  • Using Google security question

unlock sony xperia

Using Google Account Details

Almost all Android smartphones, including Vivo Y77t , require you to enter your Google account details when setting up your phone for the first time. This account comes in handy later on in situations where your phone is lost or stolen or if you’re switching to another phone. However, it can also help with basic issues like unlocking your phone in case you forget your Vivo Y77t screen unlock PIN, pattern, or password. But to use this method successfully, you need to remember the email address bound to the Vivo Y77t device and its password.

Here’s how to unlock the Vivo Y77t pattern lock without losing data using your Google account:

  • Step 1: Enter the incorrect PIN, pattern, or password 5 times, and click on “Forgot Password” or “Forgot Pattern.”
  • Step 2: The interface will then ask you to enter your Google account details as an alternate option. Enter the Google account details you used when setting up your Vivo Y77t phone.
  • Step 3: This will unlock your phone. You can now reset the screen unlock PIN, password, or pattern.

If you don’t remember your Google account details, you can still unlock your Vivo Y77t phone using a third-party tool.

Using Security Question

Another way to unlock your Vivo Y77t phone using Google is by answering the security question. When we set up our Google account, we usually choose a security question and an answer. This comes in handy if you want to recover your Google account, reset the password, or if you want to unlock your phone’s screen.

For the latter, here are the steps:

  • Step 1: Enter the incorrect PIN or pattern to unlock your screen several times till you see the “Forgot Pattern” or “Forgot Password” option. Click on it.
  • Step 2: Now select the “Answer Security Question” option and type in the answer.
  • Step 3: Click on “Unlock” after which you will be asked if you want to set a new PIN or pattern. Select “Yes.”
  • Step 4: Your Vivo Y77t phone will be unlocked, and you can set a new PIN or pattern for your screen.

How to Unlock Vivo Y77t by Hard Reset?

Hard resetting your smartphone usually solves everything! Hence, it can also help you unlock your Vivo Y77t phone; however, using this method will erase all the data on your phone. So, if you still want to unlock Vivo Y77t phone using this method, only do so if you have backed up your device and have no other way to unlock your phone. This includes forgetting your Google account details or not having access to a PC to download and use Dr Fone - Screen Unlock (Android).

Here are the steps for it:

  • Step 1: Power off your Vivo Y77t phone.
  • Step 2: Press and hold the power and volume down button until the Sony screen appears.
  • Step 3: The “System Recovery” menu will appear. Use the volume up and down button to scroll to the “Factory Reset” option. Use the power button to select this option.
  • Step 4: Select “Yes” when asked for confirmation.

Your Vivo Y77t phone will be hard reset, and all the locks will be removed. When you turn it on again, you will have to set it up like a new phone using your Google account details.

How to Unlock Vivo Y77t with Vivo Companion?

If you’ve forgotten the screen lock of your Vivo Y77t device, you can use Sony’s official software, Vivo Companion, to unlock your device. Vivo Companion is a reliable method that can help you regain access to your Vivo without data loss. Here’s how to unlock your Vivo Y77t using Vivo Companion:

Step 1: Install and launch Vivo Y77t Companion from the official website and click “Support Zone.” Move to the “Phone/Tablet Software Update” option on the next screen and tap “Start.”

press the start button

Step 2: Now, plug in your laptop to power, as the process will take some time, and choose “repair my phone/tablet.” Here, agree to the warning that you will lose your data and click “Next” to proceed.

tap repair my phone tablet

Step 3: Allow the program to download files to prepare for the update process and choose your Vivo Y77t model. Click “Next” and connect your Vivo Y77t to the PC. Ensure that the phone is turned off, and press and hold the “Volume Down” button when connecting the cable to the phone.

preparing the computer

Step 4: Once correctly connected to the PC, the program will download the necessary software and upload it to your device. After completing the process, you can unplug the Vivo Y77t device and turn it on.

updating the xiaomi device

How to Remove Operator Lock on Vivo Y77t ?

An operator lock, also called a carrier lock, constitutes a limitation imposed on a mobile phone by a network provider. This measure is implemented to guarantee that the Vivo Y77t device exclusively functions with the services provided by that specific carrier. If you wish to remove the operator lock from your Vivo Y77t device, you’ll need to follow specific steps and meet certain criteria. Here’s how to remove the operator lock on a Vivo Y77t :

Step 1: Begin by checking whether your device can be unlocked or not from its network carrier restrictions. To do that, you need to dial the code “*#*#7378423#*#*” on your device, tap “Service Info” and select “SIM Lock.”

dial the provided number

Step 2: Carefully check the information provided on the screen. If there is “X” before the “Network” option and the number in front of it is larger than 0, it means your device can be unlocked. If the number in front of “Network” is 0, your device can’t be unlocked as it is hard-locked.

check the network status

Step 3: The next step involves getting your device’s IMEI number. To accomplish this task, simply input “*#06#” on your device. Once you have the IMEI number, use a reliable service from the internet to the unlocking code. Insert the SIM card of another network and provide the code you gained to unlock your Vivo Y77t device.

enter the sim unlock code

Bonus Tip: How to Unlock Bootloader?

Unlocking the bootloader on your Android device provides significant advantages. These actions encompass obtaining root access, installing custom ROMs, configuring custom recoveries, and carrying out advanced procedures. Here’s an essential guide on unlocking the bootloader of your Sony device while keeping all precautions in mind:

Step 1: To start with the process, verify the bootloader status for your Sony smartphone. On opening the “Dialer” app, dial the number “*#*#7378423#*#*“ and access the “Rooting Status” option within the “Service Provider” settings.

Step 2: If the bootloader status displays “Yes,” ensure that the Sony USB drivers and ADB tools are installed on your computer. Enable “USB Debugging” and “OEM Unlocking” on your smartphone and switch it off.

Step 3: Connect the Vivo Y77t smartphone with a USB cable and press the “Power + Volume Up” keys for a few seconds. Open the Windows computer and access the “Devices and Printers” directory. Right-click on the “fastboot driver” file, select “Update,” and select the location of the “android_winbus.inf” file. Verify the fastboot connectivity through the CMD command.

Step 4: Open the official “Sony Unlocking Site” and add in the IMEI number. On acknowledging, use the commands as follows: adb reboot bootloader

Unlock the bootloader with the following command: fastboot oem unlock 0x<insert your unlock code

Verify the bootloader is unlocked and use the command to reboot the system; if not done automatically: fastboot reboot

Conclusion

Forgetting your Vivo Y77t screen unlock password, PIN, or pattern is quite common. For such instances, there are several methods that you can use to unlock your screen, 5 of which we have discussed in this article.

If you’re looking for ways that are time-effective and reliable, you can use your Google account or other ways to unlock Vivo Y77t and set a new screen lock. However, with these methods, you can lose your data, so we only recommend using them if your device is backed up.

5 Solutions For Vivo Y77t Unlock Without Password

One out of three people forget their phone’s password every day or make continuous wrong attempts that lock their phone. However, you can’t unlock your phone without the screen lock pattern or password. If you are an Vivo Y77t user, and you can’t remember your device’s pattern or password, we have the best solution or you. Here, you will find the easiest and foolproof methods for an Vivo Y77t pattern unlock.

Here is the complete guide with five methods to unlock an Vivo device that works in various situations. Every method is easy to use, and you can unlock your phone as long as you follow each step precisely. With our guide, you can remove your Vivo ‘s pattern, PIN, or password with your Google account. We also have various ways to unlock Vivo Y77t without your Google account.

Here is a video for you to learn how to unlock Vivo Y77t without password:

Part 1: Lock System About Vivo Y77t

1: Lock Types

Before we move towards the Vivo Y77t pattern unlock, let’s talk about its lock types and security system. Vivo Y77t is one of the older versions of Vivo android phones that was released in 2016. At that time, only flagship phones from each brand came with features like fingerprint sensors and facial unlock. Vivo Y77t doesn’t offer these lock types. You can only set up a screen lock as a password, pattern, and PIN. You can also lock apps on Vivo Y77t with its privacy password settings.

2: How to Set Them up?

Follow these steps to set up any type of lock on your Vivo Y77t .

  • Open “Settings” on your mobile and select “Lockscreen and Password”.
  • The lock system menu would appear if your device had no screen locks. If your device has a screen lock, you will have to enter the password to enter the settings.
  • Select the “Lockscreen Password” option at the top and tap on the “Enable Lock Screen” button.
  • Select the type of lock you want to set and create a password.

3: How to Remove Them with Password or Pattern?

You can easily remove the lock screen of your Vivo Y77t if you remember your password or pattern.

  • Go to “Settings” and follow the previous steps to open the “Lockscreen Password” settings.
  • Disable the lock screen by tapping on the “Enable Lock Screen” button once.
  • Enter your password or pattern and wait for the system to remove the screen lock.

Part 2: 5 Solutions to Unlock Vivo Y77t Without Password or Pattern

1: Google Find My Device

You can use the Google Find My Device for your Vivo Y77t pattern unlock. It is a simple privacy and security Google feature that enables users to reset their android phones. Most people use it to factory reset their phones when someone steals their phones. Although Google Find My Device works every time, it is not the ideal solution if you don’t want to lose your data. With a hard reset, you lose all your data and settings. It is not worth it if all you want to do is unlock your screen. Here are the steps to unlock Vivo Y77t with Find My Device.

google find my device web home page

  • Open any browser on your PC and visit “Google Find My Device.”
  • Make sure your phone is connected to the internet.
  • Select the “Erase Device” option and log in with your Google account.
  • After verification, click on “Ok” and wait for the system to factory reset.
  • Power on your device and enter it without any pattern or password.

2: Google Account

Here is how you can do an Vivo Y77t pattern unlock without PC. You don’t need any third-party software or device for this method. Every step is easy to follow, and it only takes a few minutes for you to unlock your phone. This method requires your Google account and password. Don’t use this method if you don’t know your Google password. If you are a beginner, it is better to use other methods because this method involves the risk of blocking your device. Follow these steps to unlock your Vivo device using your Google Account.

Vivo Y77t  lock screen

  • Enter a random password or PIN on your phone’s lock screen five times.
  • Wait for the system to give the alert message after you enter the wrong password five times.
  • Now, wait for 30 seconds until the system asks you to enter your lock screen password.
  • At the bottom left corner, tap the “Forgotten Password” option.
  • Now the system will ask for your Google account and password.
  • After you verify your Google account, you can enter your device.

3: Answer Security Questions

If you want to unlock your Vivo phone, you can also answer some security questions and reset the password. This method does not work on all Vivo devices, but you can use it for Vivo Y77t screen unlock without PC. You will see various questions if your Google account is linked with the Vivo Y77t device. All questions are based on your profile and credentials. You have to answer precisely with proper spaces. Here are the steps to unlock Vivo Y77t with security questions.

Vivo Y77t  forgot pattern interface

  • Use a random password or PIN five times and wait for the 30 seconds alert message.
  • Tap on the “Forgot Pattern” option and move to the next screen.
  • Select the “Answer Question” option if you want to unlock security questions. You can also select “Enter Google account details” if you know your Google account password.
  • Tap on the “Next” button and answer every question that comes up.
  • If you give correct answers, the system will open the screen lock.

4: Hard Reset (data loss)

A hard reset would be the best solution if you forgot your phone’s lock screen password or pattern. However, you can unlock your phone with your Google account as well. Do a hard reset if you can’t remember your Google account password and don’t want to use third-party tools. The only problem with hard resetting is that you lose all your data, images, files, settings, and personalization. That is why you can’t recover any of your data after the hard reset if you don’t have a data backup. The process of hard reset is different for every device. Here are the steps for Vivo Y77t pattern unlock without a PC through a hard reset.

  • Switch off your Vivo Y77t with the power button.

power key

  • Press and hold the Volume down + Power buttons together for a few seconds. Hold the keys until you see the Vivo logo on the screen.

volume down and power key

  • Select the Language using the volume keys to navigate and the power key to select.

select device language

  • Go to the “Wipe Data and Cache” option and select twice using the power key.

recovery mode menu

  • For confirmation, select the “OK” option and wait for the system to reboot.

hard reset confirmation

5: Dr.Fone - Screen Unlock

You can easily unlock your Vivo device without your Google account password and losing data. The best way is to use an Vivo Y77t pattern lock removal tool. If you want an easy-to-use tool with fast and safe working, we recommend Dr.Fone - Screen Unlock. Dr.Fone enables users to unlock any android device within five minutes without password, Google account. You can unlock your Vivo Y77t without effort. With Dr.Fone, you can also back up and restore your data , do a system repair for your mobile, and transfer WhatsApp with a few clicks. Here are the steps to remove the pattern lock from Vivo Y77t with Dr.Fone – Screen Unlock.

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Dr.Fone - Screen Unlock (Android)

The Best Tool to Unlock Vivo Y77t Without Any Hassle!

  • Remove all Android screen locks (PIN/pattern/fingerprints/face ID) in minutes.
  • Remove the lock screen without data loss for part of Samsung and LG devices.
  • Everyone can handle the lock screen without any tech knowledge.
  • Provide specific removal solutions to promise good success rate.

4,008,672 people have downloaded it

Step 1. Click the “Start Download” button to download the software on your PC.

Open Dr.Fone on the PC with a USB cable connected to your phone > click “Screen Unlock” from the home page.

Step 2. Select Unlock Android Screen

With the button “Unlock Android Screen”, you can unlock your Vivo Y77t via this part.

unlock android screen

Step 3. Select Unlock mode: 100% Remove Screen Lock

When you’re on this page, “100% Remove Screen Lock” can unlock most phone brands’ screens. Because of the different recovery modes of different phone models, selecting the Vivo Y77t device brand plays a great role in removing the lock.

select brands

Step 4. Now, it’s time to start removing the lock screen

Follow the guide step by step to complete all steps, these steps are important to unlock your Vivo Y77t .

oppo logo

Now, no password or pattern to stop you from using your Vivo Y77t !

unlock successfully

Conclusion

If you know your Google account password, then you can easily unlock your phone after verification. If you don’t know the password, you can use a hard reset to erase all data and settings from your device. Use the Dr.Fone - Screen Unlock (Android) if you don’t want to lose your data. Dr.Fone allows you to unlock your Vivo Y77t within minutes with easy-to-follow steps. It works for all old and new Vivo models, and the procedure is the same for every device. You can also use Dr.Fone to recover data, repair android software problems, and fix other issues.


  • Title: In 2024, How to Unlock Vivo Y77t Bootloader Easily
  • Author: Peter
  • Created at : 2024-04-04 15:12:48
  • Updated at : 2024-04-05 18:43:17
  • Link: https://android-unlock.techidaily.com/in-2024-how-to-unlock-vivo-y77t-bootloader-easily-by-drfone-android/
  • License: This work is licensed under CC BY-NC-SA 4.0.