Register - Ecid Frpfile Portable
Modern portable tools do this automatically: clicking "Start" will read the ECID, register it, and flash it in one click.
If your tool didn't auto-flash:
Registering the ECID is only half the battle. Once registered, the user must usually: register ecid frpfile portable
The traditional FRP bypass (using OTG cables and activity launchers) stopped working on newer Samsung devices with binary 4 and above. The "Register ECID FRPFile" method works on a hardware level. register ecid frpfile portable