Apple has been accused of yet more faults with its iPhone 4 handset, this time concerning fractures in the rear glass panel.
The company has been pulling third-party cases from its stores after reports that they can cause the rear glass panel to fracture, according to a report in technology blog GDGT.
Grit and other detritus can be rubbed against the back of the iPhone's glass casing and can cause fractures, the report said.
The problem only affects cases where the phone is slid in and out, rather than the 'bumper' cases that Apple distributed free of charge following problems with the phone's antenna caused by poor design.
Reports of the latest flaw have been patchy, but an unofficial poll of over 2,000 iPhone users on fan site Cult of Mac found that over 600 people had reported issues with cracking rear panels.
Apple was forced into fire-fighting mode with the antenna problem, and another blow to its reputation for quality could cost the company serious sales.
Calls to Apple were unanswered at the time of going to press.
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