Originally Posted by soundping
When you're buying your sim card you're given some choices.
- Phone is a CDMA (i.e. Verizon, Sprint, Metro PCS), TracFone, SafeLink, NET10, Straight Talk or BlackBerry
- Unlocked Phone (Phone must operate in 850 and 1900 MHz bands)
- AT&T Compatible Phone
- T-Mobile Compatible Phone
I have a unlocked T-Mobile HTC Amaze 4G and I went for the "Unlocked" option. This put on the at&t 4G network.
The at&t 4G network TOTALLY BLOWS in my area.
I don't think the amaze has compatible bands with AT&T's HSPA (3/4G) network, you'd be better off getting the T-Mobile sim probably.