Over a year after announcing it would acquire Mint Mobile for up to $1.35 billion, T-Mobile has closed the deal. With the Un-Carrier's purchase of parent Ka'ena Corporation, it will not only get Mint, but internationally focused prepaid operator Ultra Mobile and wholesale wireless provider Plum. T-Mobile also promised to keep Mint Mobile's $15 per month/5GB offering that's among the least costly in the US. Mint Mobile is backed by Ryan Reynolds, who is believed to own 20 to 25 percent of the... Read this story