Download Samsung Galaxy S21 Ultra 5G SM-G998B - XEO - G998BXXU3BUK8
Samsung latest Firmware (Flash File) Download for the Galaxy S21 Ultra 5G with the Device code SM-G998B. This Firmware Product PDA version G998BXXU3BUK8 Android version is S (Android 12) with CSC Code for the country 
XEO (XEO - Poland).
It is very important that you must check the Device code/Model number before proceeding to download. The device code can be found in the Settings - About section of the phone
This firmware is provided by Samsung Cloud Server. You are strongly encouraged to use Samsung Smart Switch or Samsung Kies, which are official Samsung tools. SamFirms.com will not be blameworthy for any damage caused by using files on our website.
| Device | Galaxy S21 Ultra 5G | Model | SM-G998B |
|---|---|---|---|
| AP Version | G998BXXU3BUK8 | CSC Version | G998BXXU3BUK8 |
| OS | S(Android 12) | CSC | |
| Build Date | N/A | Binary (BIT/U) | 3 |
| Upload Date | 2021-11-19 | File Size | N/A |
How to Flash SM-G998B/Galaxy S21 Ultra 5G Firmware?
- Download Exact Samsung Firmware File
- Download Odin Samsung Flash Tool
- Extract (unzip) downloaded files using WinRAR or 7Zip.
- Open the Odin Execute file.
- Reboot SAMSUNG Galaxy Device into Download Mode (Hold HOME + POWER + VOL DOWN buttons. / hold VOL DOWN + Bixby buttons and insert the USB Data Cable).
- Connect SAMSUNG Device with PC/laptop and wait until you get a blue sign in Odin.
- Insert the SAMSUNG files one by one to AP/PDA or (AP/BL/CP/CSC).
- Make sure the re-partition is not ticked.
- Press on the START button, and wait for a successful flash process.