2. You need to press and hold the Volume Up(+) and POWER and POWER button together for a few seconds.
3. Now, you need to release the POWER button as soon as the VIVO logo appears on the screen.
4. Hold the Volume Up(+) button until Recovery Mode .
5. Use the Volume Up(+)/Down(-) buttons to select Wipe Data and press the POWER button to confirm.
6. Use the Volume Up(+)/Down(-) buttons to select Wipe Data again and confirm the selection by the POWER button.
7. Select Reboot Your Device and confirm the selection by the POWER button.
Hard Reset - advantages and disadvantages Vivo Y21?
In simple words, Hard Reset means hard resetting the phone. As a result, the system automatically returns to the factory settings and the system is completely cleared. Contacts, correspondence, application, files, search queries, passwords - all of this is deleted from the device's memory.
Benefits of Hard Reset:
The ability to reset the phone, thereby improving its performance. Removal of viruses that interfere with the normal functioning of the device. Solving various problems on the device that arise due to the conflict of applications.
Disadvantages of Hard Reset:
Your files and data will be irretrievably lost. The need to have a fresh backup. In rare cases, it is impossible to remove some viruses from Android, even after a hard reset.
What needs to be done before the Hard Reset operation.
So that after a hard reset the phone is not blocked by the FRP, make sure that you know the login / password to your google account. Before a hard reset, you must first log out of your google account. In this case, after performing a factory reset, the phone will not be locked by the FRP. If after a hard reset you cannot use the phone because the phone is locked by FRP, then you need to use the instructions for bypassing the FRP lock for your phone model. Owners of modern phone models will need to contact the official service center to bypass the protection of the FRP.
After performing a hard reset, your device will be completely wiped clean. Everything that was in the memory of your device will be deleted.
What can be done to avoid losing important information?
If important information (contacts, sms, photos, videos) remains in the memory of your device, then there are the following options to save it:
Sync your data with Google contacts, Google drive. Backup your contacts and information. Using the service programs for your phone model, you can transfer important data to your PC.