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2013年9月10日に発表されたApple iPhone 5sの修理情報とガイドです。モデル A1533、A1453、A1457、A1528、A1530、A1518。

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self de-soldered near battery connectors

hello everyone, I have got 2 problems with my iphone 5s

  1. it charges with only some lightning cables but not all. Battery drains very fast and donot charge fast.
  2. i found some micro components desoldered by itself near battery connector. can someone tell me what are these components and why would it be desoldered itself.
  3. what might be the solution for these problems.

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They do not desolder by themselves it is pry damaged caused usually when a pry tool is used to disconnect the battery.

Those two components are responsible for data communication between the battery and the phone. It gives information about battery voltage and percentage and other such information.

With those components missing you may see the phone encounter random rebooting and the battery percentage jumping around when charging cable is connected and disconnected.

Assuming the components are still there they will just need to be resoldered. A reputable phone repair store that does micro-soldering an do this for you.

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thank you for the reply, unfortunately i lost on of them. can you tell me what might be the component. can i jump it?

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@jagu If you jump capacitors you're shorting the board and it will stop working. In principle the only component you could jump next to battery is FL11 which is a filter..non a very good idea to remove a protection but can be done.

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@arbaman Fl11 is the two components at negative battery terminal right?

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@jagu If you enlarge the picture you posted you'll see FL11 marked. It's the topmost of the component line beside the battery connector.

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Thank you so much for you time and valuable help.

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iammr.jagadish さん、ありがとうございました!
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