Last month, T-Mobile Chief Executive Philipp Humm told Forbe s the company would reveal its LTE strategy by the end of March.

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"It's more important to offer a complete solution to consumers which is really, truly unlimited, " said T-Mobile USA Chief Executive Philipp Humm in a recent interview.

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As a result, adjusted OIBDA rose again year-on-year in the fourth quarter of 2011 and branded data ARPU grew 20 percent year-on-year as smartphone adoption accelerated, " said Philipp Humm CEO and President of T-Mobile USA. "However, not carrying the iPhone led to a significant increase in contract deactivations in the fourth quarter of 2011.

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