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Welcome to today’s guide on how to download Samsung Galaxy S21 5G SM-G991B Firmware Flash File and how to install the stock ROM on your phone.
This file can help you reset your phone for bootloop, password reset, hanging, and fix many other problems.
This file is strictly for only Samsung Galaxy S21 5G SM-G991B.
Downloads:
Firmware name: G991BXXS3BULC_G991BOWO3BUKG_ZTO_4File.zip
Samsung Model: Samsung Galaxy S21 5G SM-G991B
Android version: 11
File Size: 6.42GB