Released September 25, 2015. Model A1687/A1634. Repair of this device is similar to previous generations, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 64, or 128 GB / Silver, Gold, Space Gray, or Rose Gold options.

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Wont charge past 85%

I have an iPhone 6s plus that wont charge past 85% no matter what i do. The story is this was a perfectly good working phone and i removed the battery to test it out another 6s plus that was having a bigger issue. when i put this back together I soon noticed it would not charge past 85%

List of stuff I've tried.

3x different iPhone 6s plus battery's

Different charging ports

Different cables and chargers

resets

looking at battery connector under microscope, (looks perfect to me)

When i put an already 100% charged battery in it says 100% and seems normal at first yet after just a little use it drops to 85% and wont charge past.

also tried draining the battery to 0 and charging it up again yet it stops at 85%

Any idea's or suggestions would be great!

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Answered! View the answer I have this problem too

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I'm having the same problem with a battery I purchased from ifixit. I replaced it yesterday and drained the phone till it powered itself off. Then I charged it overnight to 100%. Today it never dropped below 99%. Finally I decided something was wrong so I rebooted. Then it said it was at 55%. Shortly after that it rebooted and continues to reboot. I pulled the phone apart again and inspected both connectors under a microscope but I don't see any damage or indication they were improperly mated. There are no exposed components near the connector I could have damaged.

Worst part is there wasn't anything wrong with the battery. I needed a new Taptic Engine but I decided if I'm already going through the trouble of opening the phone up I might as well replace the battery too.

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Chosen Solution

This is a faulty battery problem. Even though you replaced the battery 3 times, you have probably ordered a bad batch of batteries from eBay. Order higher quality battery. I had the same problem.

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Yes I found a 4th non oem battery that worked, maybe I just had a batch of bad batteries, thank you for your tip

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Yeah it's pretty annoying when this turns out to be the case. Had a bad batch on iPhone 5 and 4s.

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Most Helpful Answer

Did you check the small little components near the battery connector? You might have chipped one or more off when disconnecting the battery for the first time.

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Thanks for the comment, I added a picture of it under a microscope, i don't see anything missing but let me know if you do

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