Originally Posted by blydude
I got a text from ATT this morning saying "Congratulations on your 4G smartphone! 4G data and message rates may apply." I checked online and it was still on my 200 MB iPhone plan, so hopefully it stays that way. My bad, just wanted to make sure it was unlocked.
Sent from my Desire HD using XDA
Welcome to someone who has ATT and is just recalling his experience with it:
1) You can change your data plan up till the end of the billing cycle for that SAME cycle.
2) 200mb is the minimum data plan and you have to (in theory) be on a data plan to have a smartphone on their network.
Moving on to non-ATT stuff
3) You may want to do a little bit of reading and understand the difference between root and unlock.
4) I'll be nice and link a thread with that insight: http://forum.xda-developers.com/show....php?t=1076720
5) ... >.<