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Samsung Galaxy S21 Ultra SM-G998B Stock Firmware

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This is the official Android 11 and 12 stock firmware/ROM(Flash file) for the Samsung Galaxy S21 Ultra SM-G998B.

The flash file for the Samsung Galaxy S21 Ultra SM-G998B is necessary when you want to perform any of the following software-related tasks:

  • Upgrade/Update your Samsung Galaxy phone’s firmware.
  • Reinstall the stock ROM that was officially installed.
  • Unroot your Samsung Android device.
  • Fix software issues that cause your device OS(Operating System) and apps to hang or misbehave.
  • Fix unknown baseband error.
  • Fix Samsung devices that are in a boot loop like hanging on the Samsung logo or rebooting continually.
  • Use the firmware for Android development purposes.
  • Remove malware, virus, and spyware from your Samsung device and more.

To flash the firmware to your Samsung device, we made a comprehensive Samsung Android firmware flashing tutorial using Odin. You will need to read that post to be able to flash a firmware successfully to any Samsung Android device.

Samsung Galaxy S21 Ultra SM-G998B Stock ROM Firmware(Flash File)

Here are the links to the stock firmware/flash file for the Samsung Galaxy S21 Ultra SM-G998B with the latest Android version available.

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BrandSamsung
NameGalaxy S21 Ultra
ModelSM-G998B
Android Version12
Baseband

Download

BrandSamsung
NameGalaxy S21 Ultra
ModelSM-G998B
Android Version11.0
BasebandG998BXXU1AUA4_G998BOXM1AUA4_XXV

Download

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About Samsung Firmware

Your Samsung Geek for Samsung firmware, stock recoveries, combination file, flashing tutorials for all Samsung tools, ENG boot files, modem files, TWRP recovery, and Samsung Drivers.

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