Originally Posted by LIH Prem

I didn't know that AT&T has an actual whitelist of IMEI numbers. I thought any unlocked phone compatible with their network would work on AT&T. I see from searching what they call a whitelist is a list of phones models known to work on their network, but it's not like Verizon's list where the actual serial number or IMEI number (Is it IMEI or something else?) has to be on their whitelist for the phone to work on their network.

Am I missing something? It's been decades since I've used AT&T.

-David