For T-mobile it is unlimited.

来源: 于 2011-10-03 10:27:36 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

But you will only get full 4G/3G speed for the first 2GB(?) or so. Afterwards it is EDGE at 20Kbps.

For ATT ... they don't have any. :)

For Sprint, maybe they still honor theirs.