Samsung Galaxy S21 Ultra 5G
Download Firmware Samsung Galaxy S21 Ultra 5G (SM-G998U)
  • AP Version: G998USQS4AUFD
  • CSC Version: G998UOYN4AUFD
  • Android Version: R(Android 11)
  • Region: USC
  • Country: United States
  • Security patch level : 2021-07-01
  • Build Date: 2021-07-20 13:56:41
  • Size: 6.59 GB
  • by clicking the download button, you agree to our terms & privacy policy
About Phone:

Samsung Galaxy S21 Ultra 5G Android smartphone. Announced Jan 2021. Features 6.8″ display, Exynos 2100 chipset, 5000 mAh battery, 512 GB storage, 16 GB RAM, Corning Gorilla Glass Victus.

Admin Jul 21, 2021 SM-G998U, USC
What's new
• The security of your device has been improved. 
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How to flash firmware
  1. Extract (unzip) the file. using WinRAR or 7-Zip.
  2. Download Odin Tool 3.14.1
  3. Extract Odin and open it.
  4. Reboot Samsung Phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)
  5. Connect you Samsung Phone and wait until you get a BLUE sign in Odin.
  6. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots.
  7. Do NOT tick any extra boxes. The only options to be ticked are F.Reset Time and Auto-Reboot.
  8. Click the start button, wait for Odin to say 'PASS' in a GREEN sign. Once the flash is complete, your phone will reboot, and you can disconnect your phone from the PC.
Samsung Galaxy S series

The Samsung Galaxy S series is a line of high-end Android mobile devices produced by Samsung Electronics. The series consisted initially of smartphones and the first device, the Samsung Galaxy S, was announced in March 2010 and released for sale in June of that year.

Other Firmwares
# Model Version Region OS Size
1 SM-G998U G998USQU4AUGE CCT R(Android 11) 6.55 GB
2 SM-G998U G998USQU4AUGE CHA R(Android 11) 6.55 GB
3 SM-G998U G998USQS4AUFD CCT R(Android 11) 6.54 GB
4 SM-G998U G998USQS4AUFD TMB R(Android 11) 6.56 GB
5 SM-G998U G998USQS4AUFD SPR R(Android 11) 6.6 GB
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