Originally Posted by groundrocket
I recently got an S5 from Cricket/AIO. Was wondering if it was the same as the AT&T version because I wanted to root and put a custom ROM onto it.
Most of us have no direct experience with Cricket because it's not a natiomal carrier. It's only an option for a limited number of US zip codes.
Looking at the specs, starting with the model number - SM-G900A
ZKZAIO strongly suggest that it's just a rebranded ATT 900A model. And sure enough the specs say that your phone uses all of the same frequency bands.
So the overwhelming chances are that it's ATT compatible in all significant aspects.