Originally Posted by Jogi
are we going to have to get new sim cards when we get the inspire?
just wanna let ya know that if you want to use LTE then you may need to change your SIM(at no charge at AT&T COR store)
SIM profiles 21-24 support 3G, SIM profile 25 supports LTE. To check your SIM profile check 9th and 10th digits on your SIM.