MobileXfiles.com
  Smartphones > vivo > Vivo Y21

Unlock your Vivo Y21


 Specification Vivo Y21 
 Hard reset Vivo Y21 
 Root Vivo Y21 
 Firmware Vivo Y21 
 Developer Mode Vivo Y21 
 Bypass Lock Screen Vivo Y21 
 Vivo Y21 Factory Reset 
 Bypass FRP Vivo Y21 
 Secret codes Vivo Y21 
 Screenshot Vivo Y21 

Vivo Y21


OS: Android v5.1 (Lollipop)

CPU: Quad core, 1.3 GHz, Cortex A7
RAM: 1 GB
Display: 4.5 inches (11.43 cm)
Battery: 1900 mAh


1. Use the Tenorshare 4uKey for Android app.
2. Make a hard reset (factory reset).
3. How to use a low battery to unlock a phone locked with a graphic key.
4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
5. Restore access to your smartphone using your Google Account.

1. Use the Tenorshare 4uKey for Android app.
  • Connect your phone to PC and launch Tenorshare 4uKey for Android.
  • A menu will appear on the screen, press Remove.
  • The program will warn you about deleting all data from the smartphone, to continue working, click OK.
  • Wait until the operation is completed, and then put your smartphone into recovery mode according to the prompts on the computer screen.
  • Click the Next button, follow the steps recommended by the program. After rebooting the smartphone, the screen lock will be disabled.


2. Make a hard reset (factory reset)
  • To get started, turn off your smartphone.Simultaneously press and hold for about 10-15 seconds one of the button combinations:
    Volume down button + Power button;
    Volume up button + Power button;
    Volume down button + Power button + Home button;
    Volume down button + Volume up button + Power button.

  • Using the volume up/down buttons to navigate through the menu, select Recovery and press the power button.
  • Select Wipe data/factory reset. using volume up/down buttons to navigate through the menu and confirm selection by pressing the power button.
  • Confirm hard reset.


3. How to use a low battery to unlock a phone locked with a graphic key.
  • You need to ensure that the phone battery is discharged. To speed up the process, make sure that the screen is constantly lit.
  • When the battery has a few percent left, the phone will report this and open a menu with power settings, that is, it will unlock the phone.
  • You need to open the menu with security settings and turn off the phone lock.


4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
  • Turn off your phone and prepare a memory card.
  • Copy the Aroma File Manager program to the phone's memory card. Insert the memory card back into the phone.
  • Using the combination of volume and power buttons, boot your smartphone into recovery mode.
  • In recovery mode, select Install zip -> Install zip from sdcard -> Choose zip from sdcard, go to the archive folder with this program and select it.
  • After starting the program, you will need to go to the /data/system folder and delete the files 'gesture.key' and 'password.key' (if you have Android 4.4 or lower) or 'getekeeper.password.key' and 'getekeeper .pattern.key' (if you have Android 5 or higher)
  • Reboot your smartphone. The screen lock will be released.


5. Restore access to your smartphone using your Google Account.
  • After several unsuccessful attempts to unlock the phone, the message Forgot password? will appear. Click on it.
  • Choose to restore access with your Google Account. You will need to enter your Google Account username and password.
  • Reset the screen lock.



Thomas Nilan
Smartphone Expert
Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.



User questions and comments about unlock Vivo Y21



userPrasanth RJanuary 07, 2023
How to change the imei number Vivo y21
Reply        

Rohit Kumar December 27, 2023
Lock ho gya h
 


Post your question or comment