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 Download Samsung Galaxy S21 Ultra 5G SM-G998B - SIO - G998BXXU4BULF

Download the firmware flash for Samsung Galaxy S21 Ultra 5G with the code is SM-G998B. This firmware for the region with CSC code is SIO (SIO - Slovenia). 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 G998BXXU4BULF and Android version is S(Android 12). This firmware size is 7.62 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 G998BXXU4BULF
  • CSC VERSION G998BOXM4BULI
  • ANDROID VERSION S(Android 12)
  • BIT (BINARY/U/SW REV.) 4
  • SIZE 7.62 GB  Full Files
  • MD5 d6d1cb5bd4c2e43ce575e56c36530e87
• Overall stability of functions improved.
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Child files of G998BXXU4BULF - If you want to download full firmware. Download one file ABOVE instead download all child files
Download Filename Download/Size MD5
AP_G998BXXU4BULF_G998BXXU4BULF_SCL23365054_VCL23364085_MCL23373251_SQB47608671_VQB47608672_MQB47608640_REV01_user_low_ship_MULTI_CERT_meta_OS12.tar.md5.zip 141 dl
5.92 GB 		MD5
BL_G998BXXU4BULF_G998BXXU4BULF_SCL23365054_VCL23364085_MCL23373251_SQB47608671_VQB47608672_MQB47608640_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 75 dl
9 MB 		MD5
CP_G998BXXU4BULG_CP21437897_SCL23365054_VCL23364085_MCL23373251_SQB47608671_VQB47608672_MQB47798123_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 63 dl
32.39 MB 		MD5
CSC_OXM_G998BOXM4BULI_CL23365054_QB47955624_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 73 dl
812.21 MB 		MD5
HOME_CSC_OXM_G998BOXM4BULI_CL23365054_QB47955624_REV01_user_low_ship_MULTI_CERT.tar.md5.zip 52 dl
812.15 MB 		MD5
Lastest combinations Galaxy S21 Ultra 5G SM-G998B
Device Version Bit/SW REV. FA Change list
SM-G998B / Galaxy S21 Ultra 5G G998BXXU6AWA1 6 FAR0 CL25915284
SM-G998B / Galaxy S21 Ultra 5G G998BXXU5AVD1 5 FAR0 CL24116285
SM-G998B / Galaxy S21 Ultra 5G G998BXXU4AUL1 4 FAR0 CL23342155
SM-G998B / Galaxy S21 Ultra 5G G998BXXU3AUD3 3 FAR0 CL21561395
SM-G998B / Galaxy S21 Ultra 5G G998BXXU2AUD2 2 FAR0 CL21483477
All combinations
 Recent posts
 How to flash Samsung Galaxy S21 Ultra 5G SM-G998B 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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