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 Download Samsung Galaxy S21 5G SM-G991U - USC - G991USQSBGXF1

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 G991USQSBGXF1 and Android version is U(Android 14). This firmware size is 7.65 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 G991USQSBGXF1
  • CSC VERSION G991UOYNBGXF1
  • ANDROID VERSION U(Android 14)
  • BIT (BINARY/U/SW REV.) B
  • SIZE 7.65 GB  Full Files
  • MD5 10d9675945974a0fcb4c6ea9c868306c
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Child files of G991USQSBGXF1 - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G991USQSBGXF1_G991USQSBGXF1_MQB81313830_REV00_user_low_ship_MULTI_CERT_meta_OS14.tar.md5.zip 137 dl
6.49 GB 		MD5
BL_G991USQSBGXF1_G991USQSBGXF1_MQB81313830_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 31 dl
78.52 MB 		MD5
CP_G991USQSBGXF1_CP26682032_MQB81313830_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 50 dl
55.8 MB 		MD5
CSC_OYN_G991UOYNBGXF1_MQB81313830_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 32 dl
68.3 MB 		MD5
HOME_CSC_OYN_G991UOYNBGXF1_MQB81313830_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 28 dl
68.29 MB 		MD5
USERDATA_USC_G991USQSBGXF1_G991USQSBGXF1_MQB81313830_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 3 dl
848.37 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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