iPhone 5 offered by T-Mobile at $99 on April 12

Credit: Apple

T-Mobile USA will sell the iPhone 5 as of April 12, becoming the latest U.S. carrier to sell the popular Apple smartphone.

A contract for a 16-gigabyte iPhone 5 on T-Mobile is unique, priced at $99.99, with 20 additional monthly payments of $20.

The iPhone 4S will cost $69.99 with 24 monthly payments of $20 and the iPhone 4 will start at $14.99 with 24 monthly payments of $15.

Regarding iPhone 5 plans, T-Mobile will offer Simple Choice Plan at $50 per month for unlimited talk and text and 500MB of data.

For unlimited data user will have to pocket an extra $20 and add a second line for $30, besides the $10 per month for each additional line.

The carrier also announced its LTE network that is available in seven U.S. markets: Kansas City, Kan., Houston, Tex., Las Vegas, Nev., Phoenix, Ariz., San Jose, Calif., and Washington D.C.