: *#1234# to check current operating system and firmware.
For quick diagnostics before using external tools, Samsung devices include built-in secret menus:
Most users on communities like Reddit recommend using reputable alternatives like the SamFW Tool if you need a free, reliable utility for FRP removal. Risks and Safety Warnings
The search results indicate that while there is no single software officially named the "Samsung Galaxy Must Tool," this phrase likely refers to a collection of essential (must-have) free tools frequently recommended and hosted on the GSMForum.ru