(Image source: tmobileplans.net) The wireless carrier T-Mobile US Inc (NYSE:TMUS) reported strong subscriber growth for the fourth quarter. T-Mobile had a net increase of 1.65 million customers in the fourth quarter. This is the third consecutive quarter of the carrier having a net increase in subscriber growth of over 1 million. T-Mobile is not stopping there. The company is also introducing a plan to entice customers from other major carriers to switch over to T-Mobile by paying off early termination fees. The so-called “Get Out of Jail Free Card” will offer as much as $650 in credits per switching customer for early termination fees and trade- ins of eligible phones. T-Mobile is going all out!