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4-inch iPhone released in March 2016 with similar hardware specifications to the 6S. Available in Silver, Space Grey, Gold, or Rose Gold with 16/32/64/128 GB storage options. Model: A1662 and A1723

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iPhone SE: Quick battery drain when not using

Dear community and iFixit-team,

I need your help.

I have an Iphone SE with IOS 12.3.1 which discharges extremely fast. This happened from one day to the other and was not correlated with dropping, updating the phone or any other obvious happening.

Comparing with my friend’s Iphone SE (same age, same usage, same remaining battery capacity), my phone loses 60% battery in flight mode in 6 hours as compared to 3%.

This was, what I already tried:

  • Charged phone to 100% and switch off over night. After turning on, the battery was still charged to (close to) 100%. This should exclude short circuits.
  • Fully reset phone and tested discharging with nothing but the bare default apps but battery still drained. This should exclude any battery-draining apps or settings.
  • Replaced battery using the iFixit replacement kit (thanks for the nice guide!!!) even though the old battery still had 86% remaining capacity. Same draining rate as before. This should exclude a bad battery.

Now, I don’t know what to check next.

Any help , direction or hint is very appreciated!

Thanks in advance for your support.

Thomas

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Shorts can’t be ruled out if you turn off the phone, only a smaller part of circuits is always on. Besides a possible short you may have a faulty IC along charging circuit. However, it seems to me you’ve done all it’s possible as end user and more, unless you take it to a Pro there’s not much else you can do on your own.

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By seeing the history of the faults that is related to Trister IC .You have to experience that issues below if that is related to the Trister.

1-Battery charging might be slow.

2-Battery not drain more while on operating but on standby mode it`s drain more.

3- sometime you encounter the heating on the back side.

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Thomas sonsuza kadar minnettar olacak.
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