Apr 13, 2011 07:50 GMT  ·  By

Leaked several days ago, T-Mobile's new unlimited plans have been introduced officially and are now available to customers.

Although they are called 'unlimited', the new plans are actually limited in functionality, but also in time.

Along with their prices, T-Mobile revealed that the new plans are only available for a limited period, but didn't mention any deadline.

Customers who are interested to subscribe to any of the new unlimited plans offered by T-Mobile will have to pay $79.99 per month and sign a new two-year agreement for the Even More plan, or $59.99 for the Even More Plus plan.

To subscribe for the Even More plan, customers will need to buy a subsidized device from the carrier, while Even More Plus requires customers to bring their own handset.

In both cases, subscribers will receive unlimited data, domestic calling and domestic messaging, but BlackBerry users will be charged an extra $5 fee.

Unlike other carriers, T-Mobile subscribers are not charged extra for exceeding the 2GB of usage in a billing month. They will still have access to unlimited data, but at reduced speeds until their next billing cycle starts.

Consumers today are looking for even more value and flexibility from their wireless plans,” said John Clelland, senior vice president, marketing, T-Mobile USA.

While data plans for many of our competitors continue to be very expensive, T-Mobile is lowering the price of our unlimited plans and offering more options, making it easier than ever for customers to step up to a richer mobile data experience on our 4G network.”

According to T-Mobile, customers will save up to $350 per year on an unlimited smartphone plan, compared with similar plans offered by other major carriers in the country like AT&T, Sprint or Verizon.

In addition to its unlimited plans, the carrier emphasized the availability of the most affordable entry-level data plans, which start from $10 for 200 MB per billing month.

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