Rooting via engineering kernels often requires a data wipe.

The Samsung Galaxy S6 Edge (SM-G925A), specifically the AT&T variant, has long been one of the most challenging devices in the Android ecosystem to modify. Because of its locked bootloader and AT&T’s stringent security patches, finding a working root method for Android 7.0 (Nougat) is often considered the "Holy Grail" for aging S6 Edge owners.

For official updates and verified modification threads, it is always recommended to check community-vetted developers directly on established forums like the XDA Forums. Are you looking to root the

Once the combination firmware boots (you’ll see a factory test menu):

Let me break down the with the G925A: