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.
Redmi Note 7 Run on Android 9.0 & it is QCOM SD660 Processor, it is a dual SIM smartphone support Nano SIM Cards. The device come with 4GB of RAM and 64GB of Storage that can be expandable via SD card.
Note:
- Your Phone will be erased with Internal Storage during the unlocking so Must make a backup before Process
- charge it at-least 60% to prevent accidental shut down during the unlocking Process.
Requirements:
- Mi Flash
- QCOM Driver
- offline unlock file: Download without authentication
How to offline unlock bootloader on Redmi Note 7:
- Download unlock file
- Download & setup Mi Flash
- Install QCOM 9008 EDL Driver on computer
- Run Mi Flash, Load unlock file
- connect Phone to computer in EDL Mod, on Mi Flash Click Start. once done, your phone successfully unlocked or you can run ‘fastboot oem unlock’