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Apple iPhone 5s는 2013년 9월 10일에 발표되었습니다. 수리는 이전 모델과 유사하며 스크류 드라이버 및 비집는 도구가 필요합니다. GSM 또는 CDMA / 16, 32, 또는 64GB / 은색, 금색 및 스페이스 그레이.

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5S battery percentage not updating after new battery.

My iPhone 5S is no longer updating the battery percentage after replacing the battery. It seems to be charging and otherwise working fine.

Right after the repair, the battery showed 49%. I plugged it in, saw it was still 49% and walked away. After a little while, I checked again and saw the battery was showing 61%. That was the last time I saw the percentage change on its own.

It stayed at 61% until the next day. I performed a soft reset (by holding Power + Home), and it came up as 100%. But, it stayed at 100% while discharging for a couple days of use. After another soft reset, it showed 3%. I’m now charging it, again.

Especially since the battery % did initially change from 49% to 61% right after the repair, I’m hopeful I didn’t damage any components on the board. Is it possible the battery went bad during the first charge? Is it possible the battery connector became a little loose during the first charge? Might I need to do something else?

Thank you!

Update: It looks like battery connector on board is undamaged:

Block Image

Additional symptoms:

1) Random resets - with or without charger plugged in.

2) Battery level drops ~5% per hour without using phone and screen off.

What else should I investigate?

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Take a good look (with magnifier) if all small components are present around the battery connector on logic board. Sometimes when disconnecting battery flex the small component get knock of the logic board.

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Wouldn't the fact that the battery level percentage initially changed at the beginning of the first charge with new battery suggest all components were still there?

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I don’t know, but most likely there is a small component missing around the battery connector on logic board. This happens to me 4 times on a iPhone SE after replacing the battery.

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I updated the original post with a picture of the battery connector on the board. It looks undamaged.

I measured the voltage at the 3 battery terminals:

Between the outer two terminals: 4.14V

Between the middle terminal and the outer two: 2.23V and 1.77V

Additional symptoms:

1) Random resets - with or without charger plugged in. (This is probably the reason I saw the battery go from 49% to 61% at time of initial battery replacement - it may have reset without me realizing)

2) Battery level drops ~5% per hour without using phone and screen off.

What else should I investigate?

Thank you!

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@Leslie+Leslie , I got a much more powerful magnifier and it appears all 7 components are missing (C9, C22, C23, C25, C275, C279, and F11).

Any recommendations at this point?

Thank you!

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Sorry, cant help you any further. I am just a beginner and know nothing about measuring the logic board with a multi meter. When this happened on my 5SE there was only 1 component missing and i make a bridge with soldering and that did the trick, I have seen it on you tube and learned how to solve this. Hope you work it out and find a solution.

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