: In Settings > Developer Options , toggle on OEM Unlocking and USB Debugging .
If you managed to find a working exploit tool or if by some miracle standard fastboot worked, you can check the status by typing: fastboot getvar unlocked If it returns unlocked: yes , your bootloader is open. unlock bootloader vivo y71 high quality
Warning: Unlocking the bootloader may void warranty, erase all data, and increase security risks. Proceed only if you accept these risks. Back up all data first. : In Settings > Developer Options , toggle
: Using the wrong tool or command can "brick" the device, rendering it unusable. Community experts advise against flashing standard Magisk versions on Vivo phones without specific compatibility checks . Proceed only if you accept these risks
: You will need a PC with ADB and Fastboot drivers installed. Some community guides suggest using specific third-party Vivo Unlock Tools that automate the injection process .