Free Download in gsmxt.com Official Firmware Combination Samsung Galaxy S21 Ultra (SM-G998U/ U1), for Unbrick Dead after Flash, Repair Stuck on Logo, Screen Unlock, Pattern Unlock, FRP (Factory Reset Protection) / Google Account, etc.
To repair damage to software, you can do a factory reset. If you can’t do the factory reset, you can flash it. And how to flash? You can flash it with Odin or other Samsung Flasher. The tutorial is under this thread.
ROM Combination Samsung Galaxy S21 Ultra, repair firmware
Download Combination Galaxy S21 Ultra (SM-G998U / U1):
- gsmxt.com_COMBINATION_FAC_FAR0_G998USQU1AUA4.rar : Google Drive | Androidfilehost
How to Flash Firmware by Odin
Download Odin :
To enter recovery mode, following these steps:
- Power off your Samsung phone.
- Press and hold “Volume Down + Power + Home” button at the same time. As soon as the phone reboot, release all three buttons and wait.
- After your Samsung phone reboot, please wait for several seconds, and then you will see a warning sign which appear on your screen.
- Press Volume Up to enter the main screen of Recovery mode.
- Plug the device in and check the ID:COM recognize the device.
- Select the ROM file in AP box. Please make sure that you select the correct file for your device because there are many variants for one device.
- Check if everything is correct in the left text box.
- Click start and wait for several minutes. You can check the progress in the text box which is on the left of the screen
- After flashing, if the program return “Pass”, the device will reboot automatically and you have successfully flashed your device.
If the program return “Fail”, change the usb port or the usb cable and then do these above steps from over.