Enter your device (e.g., SM-G991B) and Region/CSC (e.g., DBT for Germany, XAR for USA). Click Check Update .
Essential commands for device diagnostics, rebooting to bootloader, and removing bloatware. Enter your device (e
Right-click SamFirm_AIO.exe and select Run as Administrator . 3. Downloading Firmware Navigate to the Firmware tab. Enter your device (e.g.
Ability to open YouTube, Browser, or Settings directly via MTP (often used for FRP bypass). SM-G991B) and Region/CSC (e.g.