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Unlock your Vivo Y21i


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Vivo Y21i


OS: Android v11

CPU: Octa core (1.8 GHz, Quad core, Kryo 240 1.8 GHz, Quad core, Kryo 240)
RAM: 64 GB
Display: 6.53 inches (16.59 cm)
Battery: Li-Polymer


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 smartphone to your PC and launch the 4uKey for Android program.
  • In the menu that appears on the PC screen, click Remove.
  • The program will warn you about deleting all data from the smartphone, to continue working, click OK.
  • Wait until the end of the operation, and put the phone into recovery mode.
  • Click the Next button and follow the instructions on the screen. After rebooting the smartphone, the screen lock will be disabled.


2. Make a hard reset (factory reset)
  • 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 options, 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.
  • At the end, confirm the reset operation.


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 the 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 smartphone and remove the memory card from it.
  • Transfer the Aroma File Manager program using a computer 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 the Install zip option. Then select Install zip from sdcard, Choose zip from sdcard, go to the archive folder with this program and select it.
  • You need to go to the /data/system folder and delete the files 'gesture.key' and 'password.key' (for the Android 4.4 or lower operating system) or 'getekeeper.password.key' and 'getekeeper.pattern. key' (for Android 5 operating system 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.
  • You will be asked to enter your Google Account username and password.
  • Remove the screen lock in the settings.

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