: Go to Settings > About Phone and tap Build Number seven times. Then, under Settings > System > Developer Options , enable USB Debugging and OEM Unlocking . Method 1: The Fastboot Command Method
A bootloader is a piece of software that loads the operating system into memory when a device is powered on. It is the first software to run on a device and is responsible for initializing the hardware and loading the operating system. A locked bootloader prevents users from modifying the device's software, which can limit the device's potential and prevent users from installing custom operating systems or software. unlock bootloader vivo
Vivo phones (e.g., V series, X series, iQOO): : Go to Settings > About Phone and
If you need to unlock the bootloader of a Vivo phone: It is the first software to run on