A second class-action lawsuit argues that Apple and AT&T failed to tell early buyers of the iPhone that annual fees of more than US$100 would be needed to replace the iPhone battery and maintain service.

Filed Monday in U.S. District Court for the Northern District of California by Sydney Leung on behalf of a group that could reach into hundreds of thousands of iPhone users, the suit seeks more than $5 million in compensatory and punitive damages. A court conference on the matter was set for Nov. 28.