There's no such thing as real unlimited anymore. T-Mobile's "unlimited data" marketing isn't all that quick to point out that it comes with some built-in limits - specifically, throttling the top three percent of unlimited data users along with more general users who exceeded 17GB a month. The Federal Communications Commission took exception to some of those commercials and advertisements after several consumer complaints. T-Mobile's settlement with the Commission means they'll have to pay up, to the tune of several million dollars.

The FCC is taking a direct $7.5 million fine, but that's actually a pretty tiny slice of the penalty. T-Mobile will also have to return $35.5 million in "consumer benefits" to T-Mo and MetroPCS unlimited data customers, in the form of bonus data for metered plans, extra tablet plans, and discounted accessories. Eligible customers will be alerted in December. T-Mobile will also be paying $5 million in services and equipment to US schools to "bridge the homework gap," digital access problems for students in low-income areas. The carrier will be compelled to include all relevant restrictions including the top 3% rule in future disclosures, as well as informing customers when they're approaching that threshold.

“Consumers should not have to guess whether so-called ‘unlimited’ data plans contain key restrictions, like speed constraints, data caps, and other material limitations,” said FCC Enforcement Bureau Chief Travis LeBlanc.

This isn't the first time the FCC has taken a carrier to task over its not-quite-unlimited service. The Commission fined AT&T a whopping $100 million for similar misleading ads last year, under the same Open Internet Transparency Rules from 2010. Sprint stopped throttling its unlimited users to comply with the new net neutrality provisions around the same time.

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