By submitting your email address, you agree to receive emails regarding relevant topic offers from TechTarget and its partners. You can withdraw your consent at any time. Contact TechTarget at 275 Grove Street, Newton, MA.
Apple users across the US and Europe have already complained about "dropped" 3G calls when using the iPhone.
According to the lawsuit: "Apple and AT&T have misrepresented to the public the speed, strength and performance of the 3G-bandwidth network."
Apple is already facing a lawsuit in the US filed by a complainant over poor 3G connection rates.
If there are too many users on the network or if there is poor 3G wireless coverage, the iPhone connects to a slower GPRS or 2.5G network.
When 3's 3G network launched one of Britain's first widespread 3G networks, numerous 3 customers complained the changeover led to calls being dropped.
As operators build out 3G networks and rely less on back-up GPRS coverage, such problems tend to recede.
Read more about the iPhone: