MMU VIVO Xiaomi MediaTek Unlock Tool v1.0.02
Vivo Xiaomi MediaTek Unlock Tool v1.0.02 Free Download Allow To Unlock Vivo Y91, Y91i, Y91C, Y83 Pro, Y85, Y81 Pin/Password/Pattern Unlock (Just 3 Sec), FRP Unlock.
1. Turn off your phone and remove the battery, Frist.
2. A select device which you want to unlock and click ‘Start’.
3. Re-insert the battery and hold down Vol -.
4. Connect your phone via USB cable, when it shows you ‘Waiting for device’.
The Software Runs Smoothly on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10 (32 bit and 64 bit).