How to factory reset VIVO Y81S? How to wipe all data in VIVO Y81S? How to bypass screen lock in VIVO Y81S? How to restore defaults in VIVO Y81S?
The following tutorial shows all method of master reset VIVO Y81S. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your VIVO Y81S will be as new and your MediaTek Helio P22 (MT6762) core will run faster.
VIVO Y83 HARD RESET NEW METHOD 2018 - video