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Title: Reports: iOS 4 upgrade kills old iPhones¡¯ Wi-Fi
Source: Christopher Null







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Got an iPhone 3G or 3GS? You might think twice about upgrading to the new iOS 4 operating system, as many users are reporting that the operating-system upgrade causes Wi-Fi to stop working on the handset.

Numerous threads have cropped up on Apple¡¯s support forums in the last few weeks outlining the problem: After the OS upgrade, the iPhone will no longer pick up the presence of Wi-Fi networks at all. Reverting to the old iPhone operating system does not resolve the problem, nor does resetting the phone to factory-original status. Forum posters posit that the upgrade in some way has ¡°fried¡± the Wi-Fi chip in the phone, leaving it unfixable via software.

You can find a variety of complaints ¡ª all strikingly similar ¡ª on the matter at the following links, with nary a fix in sight. Threads 1 ¨C 2 ¨C 3 ¨C 4.

Phones under warranty should theoretically be repairable by Apple, but if your phone is more than a year old, the warranty won¡¯t be valid whether the OS upgrade or something else killed your Wi-Fi.

I¡¯ve asked Apple for an official comment, acknowledgement, and/or fix to the issue but have received no response. I¡¯ll update this post if I do. Don¡¯t hold your breath.

For the record, I updated my iPhone 3GS to iOS 4 and the Wi-Fi actually works much better now; the old Wi-Fi connection would periodically become corrupted and require a reboot to work. I haven¡¯t had that problem since upgrading.

Has your iPhone¡¯s Wi-Fi stopped working after an iOS 4 upgrade? Sound off in the comments below.

¡ª Christopher Null is a technology writer for Yahoo! News.

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