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While Apple cruises to new sales records with its latest iPhone family member, some users are finding the iPhone 4 to be more like the drunk uncle than the cool aunt, citing, among other glitches, proximity sensor issues when attempting to make calls.
How deep is the issue? On the Apple support discussion forums, it’s 20 pages deep. And counting. Details of the issue vary throughout the forum posts, but essentially, the proximity sensor (the one that shuts down the screen functionality when your iPhone is close to your face or in your pocket) seems to be malfunctioning.
Some users report that the sensor does cause the screen to go black, as expected, but that the functionality of iPhone remains intact, causing anything from mid-call hangups to inadvertent three-way calling, accidental FaceTime initiation attempts, or muted calls.
The forum is flush with responses, “me too” comments, and suggestions for resolutions. The best advice for now is to sync your iPhone and back up your information. Perform a restore to your backup and see if that solves the issue. If it persists, do a restore and set your iPhone 4 up as a new phone. Keep in mind, this will not save your information (like text messages), so be sure to have them backed up elsewhere.
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Should restoring your iPhone 4 not solve the proximity sensor issues, many users are reporting that contacting AppleCare (by phone at 1.800.APL.CARE) or visiting an AppleCare certified technician or the Genius Bar at an Apple Store to get their iPhone replaced has been a fairly painless process. The iPhone 4 is still a new product and replacement supplies may be limited, so be sure to check your iPhone out quickly and take it in as soon as possible.
