"On the company's electronics blog on Friday, Consumer Reports said itdiscovered a mannerin which the new iPhone 4 can be held that will cause it to drop calls in weak signal conditions. The attenuation issue was reportedly discovered by the company's engineers in lab tests.
"The problem is similar to the one we confirmed in July with the AT&T version of Apple's newest smart phone," the post reads. "It can occur when you hold either version of the phone in a specific but quite natural way in which a gap in the phone's external casing is covered.
"The phone performs superbly in most other respects, and using the iPHone 4 with a case can alleviate the problem>"