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 Download Samsung Galaxy S21 Ultra 5G SM-G998U - ATT - G998USQSAFXD4

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 G998USQSAFXD4 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 G998USQSAFXD4
  • CSC VERSION G998UOYNAFXD4
  • ANDROID VERSION U(Android 14)
  • BIT (BINARY/U/SW REV.) A
  • SIZE 7.57 GB  Full Files
  • MD5 253f8a1f292414b007bd003c27599874
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Child files of G998USQSAFXD4 - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G998USQSAFXD4_G998USQSAFXD4_MQB78988449_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5.zip 124 dl
6.37 GB 		MD5
BL_G998USQSAFXD4_G998USQSAFXD4_MQB78988449_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 30 dl
78.56 MB 		MD5
CP_G998USQSAFXD4_CP26252931_MQB78988449_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 25 dl
55.9 MB 		MD5
CSC_OYN_G998UOYNAFXD4_MQB78988449_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 24 dl
116.08 MB 		MD5
HOME_CSC_OYN_G998UOYNAFXD4_MQB78988449_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 26 dl
116.42 MB 		MD5
USERDATA_ATT_G998USQSAFXD4_G998USQSAFXD4_MQB78988449_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 16 dl
790.23 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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