Hello all! Tomorrow I am expecting my T-Mobile S6 Edge and I was just curious if I will switch to AT&T, will the phone be able to take advantage of all the bands from AT&T? Will there be any problems or something that is not compatible? Thank you
The Samsung Galaxy S6 cannot be unlocked, yet. So the best thing for you to do is to buy off-contract from T-Mobile and ask them to unlock it for you.
T-Mobile edge lacks support for LTE bands 29 & 30 which you'll only need in a very heavily populated area. In most situations, the T-mobile edge will work great on AT&T.