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 Download Samsung Galaxy S21 5G SM-G991U - CHA - G991USQSAFXAF

Download the firmware flash for Samsung Galaxy S21 5G with the code is SM-G991U. This firmware for the region with CSC code is CHA (CHA - 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 G991USQSAFXAF and Android version is U(Android 14). This firmware size is 7.29 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 G991USQSAFXAF
  • CSC VERSION G991UOYNAFXAF
  • ANDROID VERSION U(Android 14)
  • BIT (BINARY/U/SW REV.) A
  • SIZE 7.29 GB  Full Files
  • MD5 172cdeeda684d906ba19d4e9427a5996
  • CSC
    CHA - United States
  • BUILD DATE 20240205172630
  • ADD DATE 2024-02-21 18:05:38
  • SECURITY PATCH LEVEL 2024-02-01
  • DOWNLOADED 78
  • Remove FRP
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Child files of G991USQSAFXAF - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G991USQSAFXAF_G991USQSAFXAF_MQB76739984_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5.zip 1 dl
6.21 GB 		MD5
BL_G991USQSAFXAF_G991USQSAFXAF_MQB76739984_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 2 dl
76.63 MB 		MD5
CP_G991USQSAFXAF_CP25870442_MQB76739984_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 3 dl
55.79 MB 		MD5
CSC_OYN_G991UOYNAFXAF_MQB76739984_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 1 dl
63.01 MB 		MD5
HOME_CSC_OYN_G991UOYNAFXAF_MQB76739984_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 1 dl
63 MB 		MD5
USERDATA_CHA_G991USQSAFXAF_G991USQSAFXAF_MQB76739984_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
785.41 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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