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 Download Samsung Galaxy S21 5G SM-G991B - CAL - G991BXXS9FWLA

Download the firmware flash for Samsung Galaxy S21 5G with the code is SM-G991B. This firmware for the region with CSC code is CAL (CAL - Thailand). 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 G991BXXS9FWLA and Android version is U(Android 14). This firmware size is 7.66 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 G991BXXS9FWLA
  • CSC VERSION G991BOXM9FWL3
  • ANDROID VERSION U(Android 14)
  • BIT (BINARY/U/SW REV.) 9
  • SIZE 7.66 GB  Full Files
  • MD5 ba8f5fb481b6cb26cfd9779354fefb93
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Child files of G991BXXS9FWLA - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G991BXXS9FWLA_G991BXXS9FWLA_MQB75611485_REV01_user_low_ship_MULTI_CERT_meta_OS14.tar.md5.zip 67 dl
6.58 GB 		MD5
BL_G991BXXS9FWLA_G991BXXS9FWLA_MQB75611485_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 35 dl
8.13 MB 		MD5
CP_G991BXXU9FWL3_CP25556724_MQB74759865_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 64 dl
32.53 MB 		MD5
CSC_OXM_G991BOXM9FWL3_MQB74759865_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 75 dl
500.84 MB 		MD5
HOME_CSC_OXM_G991BOXM9FWL3_MQB74759865_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 66 dl
501.13 MB 		MD5
Lastest combinations Galaxy S21 5G SM-G991B
Device Version Bit/SW REV. FA Change list
SM-G991B / Galaxy S21 5G G991BXXU5AVD1 5 FAR0 CL24116225
SM-G991B / Galaxy S21 5G G991BXXU4AUL1 4 FAR0 CL23342197
SM-G991B / Galaxy S21 5G G991BXXU3AUF1 3 FAR0 CL21875223
SM-G991B / Galaxy S21 5G G991BXXU2AUD3 2 FAR0 CL21561395
SM-G991B / Galaxy S21 5G G991BXXU1AUA3 1 FAR0 CL20796681
All combinations
 Recent posts
 How to flash Samsung Galaxy S21 5G SM-G991B 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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