T-Mobile today said its prepaid customers will be able to enjoy the benefits of its Data Stash program beginning March 22. T-Mobile first announced Data Stash for its postpaid customers in December. Data Stash allows customers to roll forward any unused data they have each month, rather than allow the data to expire. T-Mobile said it will give all its T-Mobile Simple Choice prepaid customers a 10GB pool of LTE 4G data with which to start. Once they've consumed that data, they'll begin to roll forward their unused monthly data for a period of up to one year. T-Mobile's prepaid customers will receive this benefit automatically and at no extra charge. The news arrives just days ahead of an Uncarrier event T-Mobile has planned in New York City on March 18.


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