How to Unlock Bootloader (UBL) All Xiaomi Phones

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This time BangSep wants to discuss how to UBL (unlock bootloader) on all Xiaomi devices,

Smartphone Xiaomi

What is UBL(Unlock Bootloader)?

What is Ubl, Ubl is a command to the OS what to run when booting, When the bootloader is Unlocked, it means opening access for us to modify it.
Actually, Android devices on the market in a locked Bootloader state, why is it locked by default? The same reason as root is to install a custom rom Bootloader must be unlocked because if it is still locked we cannot replace the rom that is installed by default.

Just go straight to the Ubl process,Â

  1. You have to use a computer or laptop, because to do this Ubl process you must use a computer,
  2. Backup first all important data such as photos or videos on your cellphone because this Ubl resets your cellphone to factory settings,
  3. You must have a Mi account, then go to the About phone menu – click the MIUI version seven times to activate Developer options,
  4. Then go back to Settings then look for additional settings and click Developer options enable OEM key and USB debugging,
  5. Turn off your cellphone then press the volume down and power buttons simultaneously until it enters Fastboot mode, After entering Fastboot mode connect your cellphone to the computer using a data cable,Â
  6. Go to your computer screen then look for the “Mi_Unlock” file. The download link is below, make sure your computer is connected to the internet,
  7. Extract the file “Mi_Unlock” then look for the file named “Miflash_Unlock” then the display SIGN IN TO YOUR MI ACCOUNT will appear,Â
  8. Login with your Mi account on your cellphone, then the “Phone Connected” display will appear, click Unlock, Wait until the process is complete,
  9. After the process is complete, the Couldn’t Unlock display will appear as well as a description of how long to wait in order to continue the UBL process, usually 2-3 days or longer, wait until the time specified in order to continue the UBL process ,
  10. After waiting for the specified time, you enter back into Fastboot Mode by pressing the volume down and power buttons at the same time, don’t forget to connect your cellphone to the computer,Â
  11. Go back to your computer screen then look for the “Miflash_Unlock” file then the same as the previous step Enter your Mi account, then click Unlock. Wait until the process is complete,
  12. After the process is complete, your cellphone will automatically reboot itself into the homscreen,
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Required ingredients

  • File Mi Unlock, Link
  • And don’t forget a cup of coffee to wait for the process, hehehe

To check whether your cellphone has been successful on Ubl or not, you can download the Ubl Checker application on the playstore, remember your computer must be connected to the internet and make sure the steps are done correctly .