Vivo Y21 MDM Lock Remove UFI Box
- Backup NV
- Read EMMC FW
- Write EMMC FW
- Restore NV
- Flash Downgrade Scatter Firmware
- Erase Frp / Done
- Backup NV
- Read EMMC FW
- Write EMMC FW
- Restore NV
- Flash Downgrade Scatter Firmware
- Erase Frp / Done