How to Relock Bootloader via Fastboot on Android devices? In spite of having an unlocked bootloader is useful in many ways, for example, a kernel firmware and recovery (factory images), installing an alternative custom recovery image (TWRP) and getting root access, its presence can also lead to block certain services on your device for How to Unlock Bootloader of Android Device With KingoRoot HOW TO ROOT USB DEBUGGING BOOTLOADER Users who own an Android device can't stop from tweaking, changing, customizing, and optimizing the internal system and OS, such as install a new custom ROM, backup system data, customize Android device, root Unlocking your Android phones bootloader is the first step to rooting and flashing custom ROMs.
And, contrary to popular belief, its actually fully supported on many phones. Heres how to unlock your bootloader the official way. Each brand of Android smartphones run Android OS, but since it is an open source operating system, each manufacturer produces its own version of the OS, and hence, the bootloader present on the device is specific to both individual hardware and custom ROM of the smartphone. As in the boot sequence, the 3 main components that need to be transferred flashed to the board, are: The Bootloader, the Kernel and the OS (Android).
We will cover them in different posts, starting here with The Bootloader. How can the answer be improved? For Android devices, the bootloader typically starts either Android or Recovery. Android bootloaders often have a basic interactive mode that can be triggered by holding the" volume down" button while the bootloader is executing.