AT&T launches cheap prepaid unlimited plan with slow data speeds

AT&T is adding an unlimited data option to its prepaid GoPhone plans — but the new option comes with some serious constraints.
The plan costs $60 per month and does technically include unlimited data. But AT&T won’t let subscribers get fast speeds, capping the plan at 3Mbps. For context, the metrics firm OpenSignal says that AT&T’s average LTE speed is 7.93Mbps, so this plan cuts speeds by more than half.
Not only will subscribers have to put up with slower data dur