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 Download Samsung Galaxy S21 5G SM-G991U - USC - G991USQSAFXBC

Download the firmware flash for Samsung Galaxy S21 5G with the code is SM-G991U. This firmware for the region with CSC code is USC (USC - 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 G991USQSAFXBC and Android version is U(Android 14). This firmware size is 7.32 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 G991USQSAFXBC
  • CSC VERSION G991UOYNAFXBC
  • ANDROID VERSION U(Android 14)
  • BIT (BINARY/U/SW REV.) A
  • SIZE 7.32 GB  Full Files
  • MD5 aa4aa657321d383f3b0fec0ff2c19e3c
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Child files of G991USQSAFXBC - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G991USQSAFXBC_G991USQSAFXBC_MQB77762282_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5.zip 7 dl
6.21 GB 		MD5
BL_G991USQSAFXBC_G991USQSAFXBC_MQB77762282_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 1 dl
76.62 MB 		MD5
CP_G991USQSAFXBC_CP26028476_MQB77762282_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 3 dl
55.79 MB 		MD5
CSC_OYN_G991UOYNAFXBC_MQB77762282_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 6 dl
63.01 MB 		MD5
HOME_CSC_OYN_G991UOYNAFXBC_MQB77762282_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 4 dl
63 MB 		MD5
USERDATA_USC_G991USQSAFXBC_G991USQSAFXBC_MQB77762282_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 0 dl
815.94 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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