How to factory reset VIVO Z1i? How to wipe all data in VIVO Z1i? How to bypass screen lock in VIVO Z1i? How to restore defaults in VIVO Z1i?
The following tutorial shows all method of master reset VIVO Z1i. Check out how to accomplish hard reset by hardware keys and Android 8.1 Oreo settings. As a result your VIVO Z1i will be as new and your Qualcomm Snapdragon 636 core will run faster.
VIVO Y83 HARD RESET NEW METHOD 2018
Hard Reset will erase all of your data
All described operations you are doing at your own risk.