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4-Zoll iPhone herausgebracht im März 2016 mit ähnlicher Hardware und Spezifikationen wie das 6s. Erhältlich in Silber, Space Grau, Gold oder Roségold mit 16/64 GB Speicher. Modell A1662 und A1723.

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iPhone SE (1st gen) doesn't charge + randomly reboots

Hi there! I got an iPhone SE (1st gen) that wouldn’t turn on. (Showed the Apple logo and immediately turned off again.) On opening it, I discovered that a third party battery had been installed. (Branded “LTZGO” and labelled as “high capacity, 1800mAH”.)

I switched out the battery and tried an iFixit model as well as an old original Apple battery. The iPhone boots fine now and everything works, but:

  • When plugged in it shows “charging” but the battery percentage doesn’t change.
  • The phone randomly reboots after a couple of minutes of use.

It’s got iOS 13.5 installed.

Is there anything I can try to narrow down the problem further? Is this salvageable? Or does it sound like a logic board problem?

Any help is greatly appreciated!

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It could possibly have a bad charging port. It could also have a bad tristar ic which controls charging and data transfer. You can have a shop check the tristar with a tristar tester.

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Thank you Allan! I'll check that out. Should the tristar be damaged does that damage the charging port? Or can I safely switch in a known good charging port without risking damaging that one too?

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No it doesn't have any affect on the charging port. One of the reasons that the tristar ic is damaged is using an aftermarket charging cable that isn't MFI Certified. MFI Certified means that Apple approved the cable and it meets their specifications. The cheaper ones don't have have the correct ic chip and it can cause power spikes and damage the chip.

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Thank you very much, @barriphone ! I'll try replacing the charging port and if that's not it, I'll look for someone who can replace the tristar.

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I have one with the exact same symptoms. A new charging port stopped the random reboot but it won’t charge. My next step is Tristar and maybe Tigris once i’m there.

Hope that works or i won’t go beyond with this lil buddy.

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Benedikt wird auf ewig dankbar sein.
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