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[Tutorial] How to unlock and relock Samsung Bootloader

[Tutorial] How to unlock and relock Samsung Bootloader

hovatek
hovatek
hovatek
Administrator
49,881
20-03-2022, 09:01 AM
#1



This guide will explain how to unlock and relock a Samsung Android device's bootloader.

Requirements

  • Connect to the internet on the device (to make OEM Unlocking visible)

How to unlock Samsung bootloader


  1. Navigate to Settings > About phone > Software information and keep tapping Build Number till you see Developer options is now active
  2. Go back to Settings and scroll down to Developer Options then tap it
  3. Turn on OEM Unlocking
  4. On models like the SM-A605K, you'll get a prompt asking you to confirm wiping the device. If you accept, the device will be wiped and bootloader unlocked
  5. On Models like the SM-A025U, boot into Download Mode then long press the Volume Increase button and follow the instructions to unlock bootloader

How to unlock Samsung Bootloader method 1



How to unlock Samsung Bootloader method 2



How to relock Samsung bootloader


  1. Navigate to Settings > About phone > Software information and keep tapping Build Number till you see Developer options is now active
  2. Go back to Settings and scroll down to Developer Options then tap it
  3. On models like the SM-A605K, once you toggle off OEM Unlocking, you'll get a prompt asking you to confirm wiping the device. If you accept, the device will be wiped and bootloader relocked
  4. On Models like the SM-A025U, boot into Download Mode then long press the Volume Increase button and follow the instructions to relock bootloader

How to relock Samsung Bootloader method 1



How to relock Samsung Bootloader method 2


Important Notice
  • Ensure to revert to the official stock ROM before relocking the bootloader
  • Unlocking or relocking the bootloader wipes data so be sure to back up your important stuff first
This post was last modified: 20-11-2023, 12:30 PM by hovatek.

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