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 Download Samsung Galaxy S21 Ultra 5G SM-G998U - ATT - G998USQS4AUIN

Download the firmware flash for Samsung Galaxy S21 Ultra 5G with the code is SM-G998U. This firmware for the region with CSC code is ATT (ATT - United States). Please make sure the code is correct. You can check model code in Setting - About, in Download mode or you can find it by flipping your phone or among the things you found in the box. This product PDA version is G998USQS4AUIN and Android version is R(Android 11). This firmware size is 6.59 GB.

This firmware is official from Samsung Cloud Server. Of course, we recommend you are using official Samsung tool like Samsung Smart Switch or Samsung Kies. Samfw.com will not responsible for any damage caused by using the files on this website

  • AP VERSION G998USQS4AUIN
  • CSC VERSION G998UOYN4AUIN
  • ANDROID VERSION R(Android 11)
  • BIT (BINARY/U/SW REV.) 4
  • SIZE 6.59 GB  Full Files
  • MD5 8eb244a62424681cf98cb19c7bfec451
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Child files of G998USQS4AUIN - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
CSC_OMC_OYN_G998UOYN4AUIN_CL22265714_QB44059900_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
114.04 MB 		MD5
HOME_CSC_OMC_OYN_G998UOYN4AUIN_CL22265714_QB44059900_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
114.04 MB 		MD5
AP_G998USQS4AUIN_CL22265714_QB44059900_REV00_user_low_ship_MULTI_CERT_meta_OS11.tar.md5.zip 0 dl
5.53 GB 		MD5
CP_G998USQS4AUIN_CP20469515_CL22265714_QB44059900_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
53.82 MB 		MD5
BL_G998USQS4AUIN_CL22265714_QB44059900_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
81.96 MB 		MD5
USERDATA_ATT_G998USQS4AUIN_CL22265714_QB44059900_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
659.84 MB 		MD5
Lastest combinations Galaxy S21 Ultra 5G SM-G998U
Device Version Bit/SW REV. FA Change list
SM-G998U / Galaxy S21 Ultra 5G G998USQU4AUG4 4 FAR0 CL22210599
SM-G998U / Galaxy S21 Ultra 5G G998USQU3AUD3 3 FAR0 CL21561395
SM-G998U / Galaxy S21 Ultra 5G G998USQU2AUC3 2 FAR0 CL21221992
SM-G998U / Galaxy S21 Ultra 5G G998USQU1AUA4 1 FAR0 CL20796634
All combinations
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 How to flash Samsung Galaxy S21 Ultra 5G SM-G998U firmware

1. Extract (unzip) the Samsung firmware file. Recommended using WinRAR or 7-Zip

2. Download Odin Tool 3.13.1

3. Extract Odin ZIP file

4. Open Odin execute file

5. Reboot Samsung phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)

6. Connect you Samsung phone and wait until you get a blue sign in Odin

7. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots

8. Make sure re-partition is NOT ticked

9. Click the START button, sit back and wait few minutes

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