1. To start, turn off the phone with the POWER button.
2. Press and hold the Volume Down keys and POWER for a few seconds.
3. Release all buttons when the fastboot mode appears.
4. Select Recovery mode using the volume down key to go through the menu items and the POWER button to confirm the selection.
5. Select WIPE DATA using the volume update buttons to go through the menu items and the POWER button to confirm the selection.
6. Select OK and back and confirm the selection using the POWER button.
7. Select Reboot System and confirm the selection using the POWER button.
Hard Reset - advantages and disadvantages Vivo Y66I?
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 to factory settings. Remove viruses and applications that slow down the phone and give constant errors. Solving problems that have arisen on the device, for example, between the camera and other applications.
Disadvantages of Hard Reset:
All your contacts, data and media files will be deleted. The need to have a fresh backup. Not all viruses will be removed even after the hard reset procedure.
What needs to be done before the Hard Reset operation.
Before hard reset, make sure you know the access data for your google account, otherwise the phone will be blocked by the FRP. So that, after performing a factory reset, you do not need to remember the login password for the google account, you can log out of the google account before the hard reset. If, after a factory reset, the phone is locked because you cannot log into your Google account, then you need to find 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 personal data (contacts, photos, videos) remains in the memory of your phone, then they can be saved in several ways:
Synchronize your phone with Google contacts, Google drive. Using the Titanium Backup program, create a backup. Using the service programs for your phone model, you can transfer important data to your PC.