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 Download Samsung Galaxy S21 SM-G991U1 - XAS - G991U1UES4BUKK

Download the firmware flash for Samsung Galaxy S21 with the code is SM-G991U1. This firmware for the region with CSC code is XAS (XAS - 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 G991U1UES4BUKK and Android version is S(Android 12). This firmware size is 6.15 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 G991U1UES4BUKK
  • CSC VERSION G991U1OYM4BUKK
  • ANDROID VERSION S(Android 12)
  • BIT (BINARY/U/SW REV.) 4
  • SIZE 6.15 GB  Full Files
  • MD5 f78b29c5f8358867a286b016120eb55d
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Child files of G991U1UES4BUKK - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G991U1UES4BUKK_G991U1UES4BUKK_SCL22916894_VCL22916894_MCL23084513_SQB47520609_VQB47520610_MQB47520583_REV00_user_low_ship_MULTI_CERT_meta_OS12.tar.md5.zip 18 dl
5.84 GB 		MD5
BL_G991U1UES4BUKK_G991U1UES4BUKK_SCL22916894_VCL22916894_MCL23084513_SQB47520609_VQB47520610_MQB47520583_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 11 dl
79.39 MB 		MD5
CP_G991U1UES4BUKK_CP21390000_SCL22916894_VCL22916894_MCL23084513_SQB47520609_VQB47520610_MQB47520583_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 8 dl
55.16 MB 		MD5
CSC_OYM_G991U1OYM4BUKK_SCL22916894_VCL22916894_MCL23084513_SQB47520609_VQB47520610_MQB47520583_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 4 dl
61.16 MB 		MD5
HOME_CSC_OYM_G991U1OYM4BUKK_SCL22916894_VCL22916894_MCL23084513_SQB47520609_VQB47520610_MQB47520583_REV00_user_low_ship_MULTI_CERT.tar.md5.zip 4 dl
61.15 MB 		MD5
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 How to flash Samsung Galaxy S21 SM-G991U1 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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