T-Mobile has announced it will sell the iPhone 5 starting on April 12, 2013. It will be the first U.S. carrier to offer nationwide support for HD Voice—for improved iPhone 5 phone call quality—and will offer a single budget-priced plan with tethering included, plus unlimited 4G data as an option. Qualifying customers will be able to purchase the phone for $100 down, plus monthly payments of $20 for two years. T-Mobile will offer the iPhone…
