AT&T are ‘systematically overcharging’ up to 20 million Americans who use their iPhone or iPad to access data on the go, an investigation has uncovered.
The lawsuit alleges the phone giant routinely over charges customers between 7 and 14 per cent, and in some cases up to 300 per cent.
In tests, engineers said they found the company charged for downloading data and surfing the web even when the iPhones remained untouched.
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