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Repair information and guides for the iPhone 6 that was released on September 19, 2014. Model Numbers: A1549, A1586, and A1589

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iPhone 6 is draining battery on stand by mode more than usage

Last night I leaved my phone with %70 charged. I woke up at 2 AM o’clock (3 hours later) I saw my battery is %20. So I tested it without get it in stand by mode (turned off the auto lock). So I woke up at 7 o’clock, and I saw my phone in %12(just %8 lost)

So as I can understand that my phone is draining battery without use more than use it.

Addination: this issue started after replace screen and power iu

Update (12/16/2017)

That not worked, I replaced battery and still not fixed. I did re-calibration and restore with itunes, erase all data and settings. Still not fixed

Answer this question I have this problem too

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Hello maybe I can help you I had same issue yesterday with custommer iphone 6 draining battery only in stanby I’ve started by replacing u1700 ic “u2” but after replace it was same but custommer has previosly changed lcd in other repair shop and has also touch id failure but I was in that that they damage flex cable or something but that was not the problem the problem was that they shorted cirquit pp3v0_MESA and the capacitor on this line was broken and shorted so try to check this line if it beeps in diode mode than you have to find shorted cap mine was c2133 but it might be any of caps on this line there are 4or 5 caps there..After removing this cap touch id is working again and no battery drain in standby..With regards Viktor Mach Slovakia

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6 Comments:

I agree with viktormach, it has to be a short but could be any line.

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thank you for info.

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Hey bro @appleexpertsvk please can u give me ur Skype or email I'd i really want to talk to you bro

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@appleexpertsvk Experiencing the same issue with iPhone 6+. My mom had the screen fixed (she claims it wasn’t replaced) because it was sticking out and phone was open the whole time. Now the battery loses about 20% on standby in an hour with only default apps running and no background app refresh. The Touch ID doesn’t work either. I don’t know how accurate the battery health is but it says it’s at 100% capacity. I don’t think the battery is really the issue but maybe how the screen was fixed. Any DIY tips? We don’t have any apple store where I live and there’s not that many good shops here that can help. Any tips appreciated.

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you replaced the cap or removed ? brother i am also facing this issue after replacing the charging icu replaced from a local shop and also i decided replaced my battery becuase it was a quite older after all when i arrived home that was around on 69% so i charged it to 100 and then used everything was perfect but a few days later (1 week something) its draining on night and when i woke up in the morning its 100 to 0 dead what do i have to do now can you please help me? its muhsin baloch from pakistan iphone 6s

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A few things you could try:

  • Look for apps that may be running in the background overnight. Some applications could be using data at night and thats a real battery drain. Some believe it or not use more data when you are not actively using the device.
  • Try battery re-calibration - http://www.appledystopia.com/how-to/cali...
  • It may be time to replace the battery. If the phone holds a charge all throughout the day but drains only at night, and this is new behavior, it may be time to replace the battery. There is a walk through available here for that, or you can find a local professional / friend to do the work for you.

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I restored it 3 times and tried only with default apps same issue.

I will try re-callibration thanks for your reply

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@svsdmr05, Apple just released 11.2.1. Upgrade to this first.

Then go to settings --> General --> Reset --> Reset all Settings.

Don't restore from backup.

Also, if you have youtube installed, make sure that is the latest, as that has a battery drain issue by itself.

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I already updated 11.2.1 with ipsw and not backup. I have tried phone with only default apps and still same issue. There is no apps on my phone

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Sounds like your logic board has a bad IC.

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may be. If i don't turn off my screen it drains a bit but I scared of burn my phone because my phone smells like burned

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this is my old account, can any admin remove this post and account please?

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