T-Mobile today announced KickBack, an automatic bill credit of $10 per line per month for lines that use 2 GB of data or less in that month. Starting January 22nd, customers of the company's Simple Choice and T-Mobile One plans can opt in to KickBack via the T-Mobile app, or via customer service. After January 22nd, new sign-ups for the T-Mobile One plan will automatically be opted in to KickBack.


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