throttled

This ad from 2012, cited in the FTC complaint, shows that TracFone did not even mention the possibility of data throttling in the fine print.

TracFone To Refund $40 Million To Customers For Deceptive “Unlimited” Data Claims

Beginning in 2009, TracFone began selling supposedly unlimited prepaid data plans for $45 under brands like Straight Talk, Net10, Simple Mobile, and Telcel America, but without clearly disclosing that users who went beyond certain monthly usage thresholds would have their data speeds throttled or cut off entirely. But today, in a settlement with the Federal Trade Commission, TracFone has agreed to refund $40 million to affected customers. [More]