AT&T Wireless

Cingular promised to provide uninterrupted service to AT&T Wireless customers when it acquired that company in 2004, but instead it nickel-and-dimed them and degraded their reception in an effort to persuade them to sign new contracts, according to a federal lawsuit filed on behalf of those customers. The lawsuit claims consumers faced excessive fees, poor service, dropped calls and a network that has not been maintained, part of a campaign to push former AT&T Wireless