Third-Party Phone 3GS Batteries Might Cause Crash During iOS4 Update

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Individuals who have replaced the battery in their Apple iPhone 3GS may encounter issues when updating the operating system on the device to iOS4, which could make the iPhone unusable.

Milliamp LTD (, a company that provides repair products and services for Apple's iPhone, made a shocking discovery late Wednesday of this week that iPhone 3GS users who have had their battery replaced with an aftermarket, generic, third-party battery are not able to successfully update their iPhone firmware to the latest iOS4.

Anyone who has had their iPhone 3GS battery replaced using a 3rd party (eBay, craigslist, Amazon, iPhone repair companies, etc.) may find that, upon trying to update their firmware to iOS4, iTunes will return Error 29. The iPhone may stay in 'Recovery Mode', and will not be usable at this point.

Short of re-replacing the battery with an original stock Apple battery, there is currently no fix for this solution yet. Milliamp quickly responded to all of its' iPhone 3GS customers that received a battery regarding this problem via email. "We do not know if this is an issue that will quickly fade away with a yet-to-be-released iOS4 patch from Apple, or if this outcome was by design, but we will eventually get to the bottom of it.", said owner Anthony Magnabosco.

For the moment, individuals in this predicament are being advised to hold off on updating their iPhone 3GS to the new iOS4, until a solution can be found. The issue does not appear to affect the 1st Generation iPhone, iPhone 3G, or any of the other iPod models.

There has been wide speculation the update error may be purposely caused by Apple to discourage aftermarket battery replacements. However, there have also been reports of issues with battery life and iOS4 for consumers who have not replaced their 3GS battery.

"We have been able to use iRecovery to get past the Error 29 using an iPhone with an aftermarket battery, but unfortunately, the phone still exhibits unstable behavior and even reboots on its own," added Magnabosco.

Milliamp LTD promised to keep its customers (and the general public) in the loop as the situation develops. For updates, please head to Milliamp's Blog and/or Twitter page.

About Milliamp LTD:
Milliamp LTD is company that repairs Apple's iPod, iPhone and iPad, is based in San Antonio, Texas, and has served thousands of customers since 2005.

Milliamp LTD and their websites are in NO WAY associated with Apple.
'Apple', 'iPod', 'iPhone' and 'iPad' are trademarks of Apple, registered in the U.S. and other countries.
Opening up your device may void or limit the scope of Apple's warranty that you may or may not have.

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Anthony Magnabosco
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