How to fix iPhone 4s error 29

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iPhone 4S

iPhone4S是第五代iPhone。网络制式为GSM/CDMA ，存储容量有8GB、16GB、32GB、64GB可选，机身颜色有黑色、白色可选。维修iPhone4S是容易的，需要耐心，用到的工具有螺丝刀、撬棒等。

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mujahidrashid @mujahidrashid

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发帖于: 2016年10月23日

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How to fix iPhone 4s error 29

While updating my device i got error 29, and i have seen lots of suggestion which says this is due to changing I phone Battery.

But I have never changed the battery since I bought it.

The current battery APN is 616-0579 and I changed it again with Iphone original battery with same APN 616-0579 but still my Iphone get stuck on recovery mode please advice do i need to replace the battery with APN 616-0581 or the problem is not with the battery.

Also before replacing the battery i rubbed the clip area with alcohol .

Please help!

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I need help i dont work on anything

由 Austin 完成的 2017年2月14日

You need a official battery from apple or a reprogramer. I've been seeking a way to reset an iPhone 4s without an official battery, and till' now, these are the only ways to fix this problem (I think).

由 KhanYT ツ完成的 2023年10月12日

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Ben @benjamen50

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Mtwo Perform

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发帖于: 2017年2月14日

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I hope everyone has tried another original battery that works fine to restore again.

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You need a official battery from apple or a reprogramer. I've been seeking a way to reset an iPhone 4s without an official battery, and till' now, these are the only ways to fix this problem (I think). — KhanYT ツ

shahabuddin ansari @shahabuddi87919 声誉积分: 1 · Answer 1 · 2017-02-14T19:49:29-07:00

shahabuddin ansari @shahabuddi87919

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I hope Replace 2 resistor inside battery c c problem solved tested solution

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barani @dasan 声誉积分: 343 3 1 1 · Answer 2 · 2017-02-14T23:32:49-07:00

barani @dasan

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Try with genuine apple battery it will works fine and restore once again.

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Solon Junior @solon 声誉积分: 1 itechs · Answer 3 · 2017-04-22T07:09:31-07:00

Solon Junior @solon

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发帖于: 2017年4月22日

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Hello,

This error as I could see is related to the power line of the board. To solve it you have some option;

1- Try to enter in recovery mode and reboot the device

2- Possibly the battery is not original so try to change the battery and re-plug in the iTunes

3- check the five capacitor in front the battery conector on the main board and see if they are healthy, if so, you have to solve it replace another one with microsoldering

4- check the battery conector and it's vicinity to see if everything is normal.

Hope to have helped anyone!

SOLON

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iPhone 4S

How to fix iPhone 4s error 29

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