Download SM-G998B Firmware Samsung Galaxy S21 Ultra flash files stock Rom install android 11 Firmware Samsung Galaxy S21 Ultra 4 file Update your Samsung Galaxy phone’s firmware Fix Hang on Logo Remove malware virus and spyware Fix Software after Flash remove Password and Pattern Lock bypass google account fix wifi fix failed update firmware Restore Galaxy Null IMEI and Fix Not Registered on Network Fix Android Recovery Mode Not Working Problem
The direct download links for your cell phone depending on your security that you have to revive with odin.
G998BXXU3AUGM_G998BOXM3AUGM_XXV_11.0.zip
G998BXXS2AUBB_G998BOXM2AUBC_XXV_11.0.zip
G998BXXU1AUA4_G998BOXM1AUA4_XXV_11.0.zip
IMPORTANT TOOLS:
Samsung usb Driver To Connect on your pc
Installation for roms with 5 files via Odin
To Download current Odin or previous versions compatible with your device
Extract the firmware you just downloaded. You must obtain 5 files:
1- System & Recovery (AP)
two- BL (Bootloader)
3- CP (Modem / Radio)
4- CSC _ *** (Country / Region / Operator)
5- HOME_CSC _ *** (Country / Region / Operator)
Add each file to its respective field in Odin vx.xx.x.
Use CSC _ *** if you want to make a clean flash or
HOME_CSC _ *** if you want to keep your apps and data.
Restart your phone in Download / Odin mode with the following button combination:
POWER + VOLUME DOWN + BIXBY
Other options if the first option does not work or is not possible.
Option 2
VOLUME DOWN + VOLUME UP, plug in the USB cable
Option 3
POWER + VOLUME DOWN + VOLUME UP
Option 4
POWER + VOLUME DOWN + HOME BUTTON (this is the most common)
Download Mode SAMSUNG Galaxy S21 Ultra – How to Open / Exit Download Mode