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How to Easily Replace an iPhone 4 Battery - YouTube
Apple iPhone 4 - Battery 1420mAh | Fixshop
Apple iPhone 4 Battery Replacement - RIS10341 at Batteries Plus
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Amazon.com: oGoDeal Battery Replacement Compatible for iPhone 4 Model A1349 A1332 : Cell Phones & Accessories
Amazon.com: oGoDeal Battery Replacement Compatible for iPhone 4 Model A1349 A1332 : Cell Phones & Accessories