Apple

Cracking Open the Apple iPhone 4

iPhone 4 AT&T microSIM

Like the Apple iPad 3G, the iPhone 4 uses an AT&T microSIM.

Photo credit: Bill Detwiler / TechRepublic

About

Bill Detwiler is Managing Editor of TechRepublic and Tech Pro Research and the host of Cracking Open, CNET and TechRepublic's popular online show. Prior to joining TechRepublic in 2000, Bill was an IT manager, database administrator, and desktop supp...