Bootloader Check in REDMI 9

Bootloader Check REDMI 9

You can read a lot of important information from REDMI 9 Fastboot Mode. We can use the REDMI fastboot data in order to find the desired firmware, downgrade software, and change the region of the firmware or root device, The most important info is bootloader status (locked or unlocked). The unlocked bootloader makes your REDMI 9 out of warranty but it gives you also the possibility to change the firmware of your device.

Download Necessary Tools

1. Xiaomi PC Suite
2. Drivers and Adb with Fastboot tools

Installing Necessary Tools

1. Firstly install Xiaomi PC Suite
2. Then you should install Mini ADB & Fastboot with Drivers setup to get all necessary drivers and applications.

• Windows 10 users should additionally go to c:\Windows\inf and search file "wpdmtp.inf" press the right button on it and select INSTALL

Check Bootloader Status Tutorial

1. Turn off REDMI 9 phone completely.
2. Then hold down the Volume Down and Power Button.
3. Release both keys as soon as the Fastboot Mode pops up.
4. Connect REDMI 9 to computer by using the USB Cable.
5. Turn on Command Prompt as Administrator. You can find it in Start Menu.
6. Make sure that you are using the default directory of ADB and FASTBOOT. If didn't change the path, you can find files in C:\ADB
7. Use the following commands:
   • type cd\ and press Enter button.
   • type cd adb and press Enter button.
   

Next enter fastboot command:

1. Type in fastboot devices and press enter key
   This command checks communication with the phone and sure that all drivers are installed correctly.
2. Enter fastboot oem device-info and press enter key
   This command gives you all the necessary information. The most important info is bootloader status, we can check here if we have locked bootloader or unlocked.

The information table should look as follows:

• (bootloader)Device tampered: false
  This means that the phone is working normally without any software problem
• (bootloader)Device unlocked: false
  This means that bootloader is LOCKED
• (bootloader)Device unlocked: true
  This means that bootloader is UNLOCKED

Other Useful Fastboot Command in Xiaomi phones:

1. fastboot reboot
   This command is used to reboot REDMI 9 from fastboot mode to normal use.
2. fasboot oem lock
   This command is used to LOCK Bootloader from UNLOCK state if needed.
3. fastboot reboot-edl
   This command is used to reboot REDMI 9 from fastboot mode to EDL MODE
   (only older phones supported MIUI 7 and older).