iPhone 4 Back cover slides on and phone shuts off immediatly?

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iPhone 4

第四代iPhone。维修过程直观易懂，但前置玻璃和LCD面板无法分开，只能作为同一零件更换。GSM版本， 8, 16, or 32 GB 容量 / 型号 A1332 / 黑色或白色

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Parker @parker8943

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发帖于: 2010年10月9日

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iPhone 4 Back cover slides on and phone shuts off immediatly?

after a complete disassemble of my iphone 4 due to water/toilet water damage every thing seemed to be clean and dry. As I assembled it back together I turned the phone on before attaching the final rear cover, and it worked just like it was new. As soon as i slid the cover in place the iphone would shut off. I cleaned the back cover and made sure all the components were in place and slid it back together and it seemed to work for a day. then it shut off and would only turn on when the back cover was off. What's going on here some kind of short?????

P.S. What.s the small metal clip that is next to the battery connection? it looks like it touches the back cover when its slid on?

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tamhoangngo @tamhoangngo

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发帖于: 2010年10月19日

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I know of the little clip you speak of. I'm actually not sure of what it does but speculation says it could be something as simple as a ground or as amazing as a point of contact which turns the entire back piece into an antenna. I'm going out on a limb and say that it's probably just a ground. From your issue, it sounds like when you're sliding that back piece on it causes your phone to shut off. Have you ensured that the little metal piece is not making contact with another component it's not supposed to? Try taking the battery connector off and place the metal piece down first then reinstall the battery connector. If its installed properly, then some other components could be touching the metal back. Look for signs of scraps or marks that could indicate it. Anyways, I'm just making a suggestion. I hope you get your issue resolved.

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Think you are right it must be a ground for the battery and or antenna cables. When I had success with the back cover actually working for a day i cleaned the metal contact and it seemed to temporally work. I love ifixit and they have been a great starting resource on my projects. I wish their was just a little more detail often I will find important information missing.

Thanks for your input I will try and research a little more and post my findings.

由 Parker 完成的 2010年10月29日

Smith, found an answer to your problem yet?

由 tamhoangngo 完成的 2010年11月28日

So I never herd back from the iPhone 4 owner. I suspect that their was a ground issue and it worked it self out over time. Still I would like more clarification on this issue so if any one is has input it would be appreciated.

由 Parker 完成的 2010年12月10日

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Think you are right it must be a ground for the battery and or antenna cables. When I had success with the back cover actually working for a day i cleaned the metal contact and it seemed to temporally work. I love ifixit and they have been a great starting resource on my projects. I wish their was just a little more detail often I will find important information missing.

Thanks for your input I will try and research a little more and post my findings. — Parker
So I never herd back from the iPhone 4 owner. I suspect that their was a ground issue and it worked it self out over time. Still I would like more clarification on this issue so if any one is has input it would be appreciated. — Parker

iPhone 4

iPhone 4 Back cover slides on and phone shuts off immediatly?

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