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Tutorial Unlocking Bootloader BlackShark 3 and 3 Pro

takoyaki17

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NOTE: DO AT YOUR OWN RISK

1. Unlocking the bootloader will void your warranty.
2. All data will be erased. . .backup before you proceed.

TOOLS:
1. USB data cable
2. PC

DOWNLOADS:
  • Mi Flash Tool
  • Unlock files for BS3/BS3 PRO

Spoiler contents are visible only to Established Members.


Steps:

*On your PC download the files needed and extract.

1. Enable Developers Option (go to Settings - About - Software information - tap Build number 8 times then you will see "Developer option enabled" message)

2. Enable USB Debugging and OEM unlock on Deloper option (back to Settings - Developer option and enable those 2)

3. Boot to EDL mode (turn OFF device - press and hold Volume UP and Down while plugging it to your PC via USB data cable - release if you see android logo - you'll see black screen only)

4. Run XiaoMiFlash (located at MiFlash2020-3-14-0 folder) and Locate the downloaded Unlock Files folder.

5. Click START... wait for SUCCESS message. Done

6. Reboot to Bootloader (press and hold Volume Down + Power button - when Android logo appears release Power and keep pressing Volume Down untill it boots to Bootloader)

7. Run Unlock.bat from the Unlock Files folder

DONE

for BS3 8/128 variant:
Change the prog_ufs_firehose_sm8250_ddr_lp5.elf file in the Unock Files folder
with prog_ufs_firehose_sm8250_ddr_lp4.elf (located at bs3_bs3pro_unlock folder)

ENJOY!
 
Last edited:
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