Business News iPhone 4 | Page 7

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or 32GB, and not on the SIM. Unlike previous generations, the storage capacity is not printed on the back of the unit. The iPhone 4 continues to use the 30 pin dock connector as its only external data port.

Software

FaceTime

The iPhone 4 is the first device to support FaceTime, an embedded video calling application that is able to use either the front or back camera over a Wi-Fi connection to communicate with another iPhone 4.

Issues

* Some users have reported discoloration of the screen, which was attributed to the glass lamination glue that was used. It did not have time to dry fully before the unit reached consumers due to the speed of manufacturing.
* Another issue reported after days the iPhone 4 was released is the proximity sensor. Many users have reported that during calls the sensor can be over-sensitive and end calls, hold calls, and dial other numbers.
* On June 24, Apple issued a statement that white models, but not black models, "have proven more challenging to manufacture than expected", and pushed the release date back to "the second half of July".

Antenna

Shortly after iPhone 4 was delivered to customers, there were reports that signal strength of the phone was adversely affected by holding the edge of the phone. In response, Apple issued a statement advising that customers should "avoid gripping it in the lower left corner" when making or receiving a call. The issue can also be addressed by adding a case, cover or bumper to the phone.

On July 2, 2010, it was reported that several iPhone 4 users were to sue Apple and AT&T, alleging fraud by concealment, negligence, intentional misrepresentation and defective design. The legal challenge was started by California law firm Kershaw, Cutter and Ratinoff, who set up a website to recruit disenchanted iPhone 4 buyers for a lawsuit against Apple.