bootloader is the component or code in the operating system that is executed before the start of any android device. A locked bootloader device would not allow you to modify that bootloader and thus you are stuck with using (booting) the same operating system that the device originally came with. once you unlock the bootloader on your device it will give you ability to Install other versions of the operating system on your Phone.
Disclaimer:
- all data will be erased including internal Storage.
- unlocking the bootloader will void your device warranty
Requirement’s:
unlocking steps:
Install the device drivers and platform tools:
- if you are running on Windows. Download this usb driver & install it on your computer
- Download & extract Latest Platform tool on Your computer
Prepare device:
- on your device enable usb debugging and oem unlock from developers Option for that Tap “Build number” {under About Phone} multiples times to enable developer option the use ‘developers option’ section.
Connect to Fastboot:
- switch Phone off, Now press Volume down & Power Key
- once You see fastboot logo, connect your Phone to computer using the usb cable
- Open command window in Platform tool folder & check device connection by sending below code
fastboot devices
Execute unlock command:
- if you have a old phone run
fastboot oem unlock
- if you have latest android phone run
fastboot flashing unlock
- if any issue try both command
- on phone confirm unlock warning
- done. your device successfully unlocked & rebooted
Related:
- unlock bootloader on HTC Phone
- unlock bootloader on Xiaomi Phone
- How unlock bootloader on Motorola Phone