T-Mobile announces Jump On-Demand so you can upgrade your phone three times a year

16:45 25.06.2015
The upstart U.S. wireless carrier T-Mobile announced today that it’s rolling out a new leasing program called Jump On-Demand to let users upgrade their smartphone as many as three times a year. The new plan boasts that mobile customers can walk into a T-Mobile store and walk out with a new smartphone without paying any fees or taxes, […]...