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 Download Samsung Galaxy S21 5G SM-G991U - TMB - G991USQSAFXAI

Download the firmware flash for Samsung Galaxy S21 5G with the code is SM-G991U. This firmware for the region with CSC code is TMB (TMB - 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 G991USQSAFXAI and Android version is U(Android 14). This firmware size is 7.33 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 G991USQSAFXAI
  • CSC VERSION G991UOYNAFXAI
  • ANDROID VERSION U(Android 14)
  • BIT (BINARY/U/SW REV.) A
  • SIZE 7.33 GB  Full Files
  • MD5 092ef393933d72eb4d0fe62d70f852a4
  • CSC
    TMB - United States
  • BUILD DATE 20240209171540
  • ADD DATE 2024-02-13 19:19:25
  • SECURITY PATCH LEVEL 2024-02-01
  • DOWNLOADED 704
  • Remove FRP
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Child files of G991USQSAFXAI - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G991USQSAFXAI_G991USQSAFXAI_MQB76775578_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5.zip 32 dl
6.21 GB 		MD5
BL_G991USQSAFXAI_G991USQSAFXAI_MQB76775578_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 16 dl
76.62 MB 		MD5
CP_G991USQSAFXAI_CP25880604_MQB76775578_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 20 dl
55.8 MB 		MD5
CSC_OYN_G991UOYNAFXAI_MQB76775578_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 10 dl
63.01 MB 		MD5
HOME_CSC_OYN_G991UOYNAFXAI_MQB76775578_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 5 dl
63 MB 		MD5
USERDATA_TMB_G991USQSAFXAI_G991USQSAFXAI_MQB76775578_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
826.7 MB 		MD5
Lastest combinations Galaxy S21 5G SM-G991U
Device Version Bit/SW REV. FA Change list
SM-G991U / Galaxy S21 5G G991USQU3AUD3 3 FAR0 CL21561395
SM-G991U / Galaxy S21 5G G991USQU2AUC3 2 FAR0 CL21221992
SM-G991U / Galaxy S21 5G G991USQU1AUA5 1 FAR0 CL20796681
All combinations
 Recent posts
 How to flash Samsung Galaxy S21 5G SM-G991U 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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