Download Samsung S21 5G, SM-G991B Firmware, Flash File, Stock ROM. Official Firmware File for Samsung Galaxy S21 5G which is the variant of the Global This file contains 4 files containing BL, AP, CP, and CSC files. If you are looking for the latest firmware for Samsung, then this is the best file for you and you can easily download it with Flashtool and Driver and here is the Flashing Guide Step by Step.
If you want to flash your Samsung smartphone, then remove the FRP lock or remove the Google account(Gmail ID) and only then flash your phone. Otherwise, the flash will not be able to be detected while flashing and your phone will go into error mode.
If the Phone is locked and your phone is in error mode, its solution is to find the file of the same Binary (EX: J610FXXU3BSI4 =U0, U1, U2, U3, U4) version in which your phone is installed on our website and flash it. Your phone will be back in normal mode.
How to Flash Samsung S21 5G
Download Samsung S21 5G SM-G991B Firmware and Install Samsung Driver, Charge the phone 30% before flashing.
- Download all the files in the links above.
- Extract all files to the zip file.
- Open the tool and Select all File (BL, AP, CP, and CSC.)
- After that turn off the phone or re-install the battery to connect the phone to the tool
- And to bring the phone into download mode, press the Volume Up Home key and Power button simultaneously.
- Press volume up button to continue
- Then connect the data cable with the phone
- The Odin tool will see that the port will start showing.
- Then click on the start button to flash.
Note: During flashing, do not remove the data cable from the phone, otherwise the phone can go into a dead mode or Error Mode.