T-Mobile Data Stash lets you keep the data you paid for, with 10GB free

T-Mobile has a new outlook on mobile data: If you paid for it, you get to keep it.

Starting in January 2015, the U.S. wireless carrier will introduce a new policy called Data Stash, which will roll over any unused data from the previous month instead expiring, as it does on all other major carriers. That means if you paid for 3GB of data and only used 1.8GB, the remaining 1.2GB would be added to your Data Stash.

See also: T-Mobile Offers Free Week-Long iPhone 'Test Drives'

The rollover data doesn't last forever, though; it expires after a year and only applies to 4G LTE data, so customers with older 3G phones are out of luck. But if you have an LTE device, Data Stash is available to all T-Mobile customers — both individuals and businesses — as long as you're buying at least 3GB of 4G LTE data every month. Read more...

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