Download Samsung GALAXY S21 SM-G991B - PSN - G991BXXS7EWE2

Download the official Samsung firmware for the ✅ GALAXY S21 ⭐ SM-G991B for Region with CSC  PSN (PSN - Argentina). This firmware Product PDA version G991BXXS7EWE2 and the operating system of this firmware is T (Android 13). This firmware size is 7.00 GB.

Please ensure the device code/Model number is correct before downloading it. You can find the model code in the phone Setting - About, Download mode, flipping your phone, or among the things, you saw in the box.


All our Galaxy Firmware Files are from the official  Samsung Cloud Service, but we recommend You're using Samsung’s own utilities, Samsung Smart Switch or Samsung Kies, to upgrade devices. is not responsible for any damage caused by using the firmware on this website.

DeviceGALAXY S21ModelSM-G991B
OST (Android 13)CSC
Build DateN/ABinary (BIT/U)7
Upload Date2023-06-04File SizeN/A

How to flash SM-G991B/GALAXY S21 firmware?

  1. Download the Exact Samsung Firmware File
  2. Download Odin Samsung Flash Tool
  3. Extract (unzip) downloaded Galaxy firmware using WinRAR or 7Zip.
  4. Open the Odin Execute file.
  5. Reboot SAMSUNG Galaxy Device into Download Mode (Hold HOME + POWER + VOL DOWN buttons. / Hold VOL DOWN + Bixby buttons and insert the USB Data Cable).
  6. Connect the SAMSUNG phone with your PC/laptop and wait until you get a blue sign in Odin.
  7. Insert the SAMSUNG files to AP/PDA or (AP/BL/CP/CSC).
  8. Make sure the re-partition is not ticked.
  9. Press on the START button, and wait for a successful flash process.  

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