Download Samsung Galaxy S21 5G SM-G991B Firmware Flash File and follow the procedure to flash and fix Samsung Galaxy S21 5G SM-G991B.
You are about to download Samsung Galaxy S21 5G SM-G991B stock rom.
You can use this software file to flash Samsung Galaxy S21 5G SM-G991B.
If also you want to downgrade or update Samsung Galaxy S21 5G SM-G991B, you can use this stock rom.
This file can also help to fix a lot of problems such as hanging, battery drain, app crashing, and other problems.
You can use this stock rom to remove the locked screen, remove root, fix many system errors, and unbrick Samsung Galaxy S21 5G SM-G991B.
Downloads and instructions for Samsung Galaxy S21 5G SM-G991B Firmware
Version: Android 11
Samsung Model: Galaxy S21 5G SM-G991B
Flash File Region: Singapore
Flash Filename: XSP-G991BXXU1AUAB-20210129174600.zip
Flash File Region: Brazil
Flash Filename: ZTO-G991BXXU1AUA4-20210122130820.zip
Flash File Region: United Kingdom
Flash Filename: BTU-G991BXXU1AUAB-20210126205301.zip
Download for all Samsung Galaxy S21 5G SM-G991B regions here.
How to flash Samsung Galaxy S21 5G SM-G991B?