[CrackBerry News]

Did you just pick up a brand new BlackBerry Passport and are trying to use it on AT&T but not getting LTE? Here's the thing. Carrier systems are often tricky and sometimes they don't place so nice with devices they don't fully recognize or weren't directly purchased through them. For the most part, AT&T is device friendly and under normal circumstances you can just pop your SIM card in an go but some new Passport owners haven't been able to get LTE on AT&T despite the fact the device is 110% compatible. Heck, my Passport review was done on AT&T with LTE.

Full story from the Crackberry Blog...