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 Download Samsung Galaxy S21 Ultra 5G SM-G998U - ATT - G998USQSAFXC4

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 G998USQSAFXC4 and Android version is U(Android 14). This firmware size is 7.57 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 G998USQSAFXC4
  • CSC VERSION G998UOYNAFXC4
  • ANDROID VERSION U(Android 14)
  • BIT (BINARY/U/SW REV.) A
  • SIZE 7.57 GB  Full Files
  • MD5 24ba04e66967854217b3eb298584ec8b
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Child files of G998USQSAFXC4 - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G998USQSAFXC4_G998USQSAFXC4_MQB77826785_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5.zip 16 dl
6.37 GB 		MD5
BL_G998USQSAFXC4_G998USQSAFXC4_MQB77826785_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 9 dl
76.67 MB 		MD5
CP_G998USQSAFXC4_CP26050431_MQB77826785_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 5 dl
55.9 MB 		MD5
CSC_OYN_G998UOYNAFXC4_MQB77826785_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 5 dl
116.47 MB 		MD5
HOME_CSC_OYN_G998UOYNAFXC4_MQB77826785_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 3 dl
116.46 MB 		MD5
USERDATA_ATT_G998USQSAFXC4_G998USQSAFXC4_MQB77826785_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
790.25 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
 Recent posts
 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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