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 Download Samsung Galaxy S21 Ultra 5G SM-G998U1 - AIO - G998U1UES4AUJ7

Download the firmware flash for Samsung Galaxy S21 Ultra 5G with the code is SM-G998U1. This firmware for the region with CSC code is AIO (AIO - 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 G998U1UES4AUJ7 and Android version is R(Android 11). This firmware size is 6.17 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 G998U1UES4AUJ7
  • CSC VERSION G998U1OYM4AUJ7
  • ANDROID VERSION R(Android 11)
  • BIT (BINARY/U/SW REV.) 4
  • SIZE 6.17 GB  Full Files
  • MD5 c87c25d35b00224bd1767412e3e7ae66
• The security of your device has been improved.
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Lastest combinations Galaxy S21 Ultra 5G SM-G998U1
Device Version Bit/SW REV. FA Change list
SM-G998U1 / Galaxy S21 Ultra 5G G998U1SQU1AUA4 1 FAR0 CL20796634
All combinations
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 How to flash Samsung Galaxy S21 Ultra 5G SM-G998U1 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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