By entering certain strings of numbers and symbols into your phone's dialer, you can gain access to a world of hidden ...

Coders have a storied tradition of creating back doors in programs (or sometimes just fun little Easter eggs) that can only be accessed with a special "key." This has happened for almost as long as ...

SellCell is the No. 1 price comparison site in the US for selling used phones, tablets and other electronics. Millions of happy customers have successfully sold their iPhones for cash with SellCell.

As of Nov. 6, T-Mobile is offering those who switch to their network, with eligible trade-ins, a deal to get up to four free ...