Bombastic T-Mobile CEO John Legere responded forcefully when the Federal Trade Commission filed suit against the Un-carrier over the summer for profiting from so-called "cramming." That's when a carrier allows third-parties to add premium SMS charges to customer bills without proper warning. Today the FTC has announced T-Mobile is settling the case for $90 million, most of which will go to customers who were charged for unauthorized services.

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All US carriers banned cramming late last year, but the FTC has been investigating and filing suits all through 2014. AT&T settled in October for $105 million, while a Sprint case is still ongoing. T-Mobile previously said it had proactively been refunding money to customers, but apparently that wasn't good enough for the FTC.

Most of these unauthorized charges were $9.99 per month subscriptions to daily horoscopes, sports updates, and celebrity news delivered by SMS. They were easy to accidentally sign up to and hard to cancel. $67.5 million of the money will go to refunds for customers, who must be contacted by T-Mobile and made aware of the refund program. The settlement requires they pay out at least that amount. It could creep higher if more customers request refinds. The remaining $22.5 million goes to cover government fines.

[Recode]