Haven't used the M8, but I just set up an AGM M9 on Mint Mobile two days ago. That said, that's kinda cheating since Mint is a T-Mobile MVNO and I haven't trie

Haven't used the M8, but I just set up an AGM M9 on Mint Mobile two days ago. That said, that's kinda cheating since Mint is a T-Mobile MVNO and I haven't tried it outside my usual T-Mobile service area.