Battery doesn't last, worse when cold!
I own an iPhone 6 128GB since 1,5 years.
About 6 months into ownership I started having battery issues, but nothing I couldn't live with.
Now it's become unbearable: The battery doesn't last longer than a few hours (3 to 5) and dies immediately when it's cold outside (I mean cold, not freezing! About 45-50 F!)
I thought about having the phone serviced by Apple, but I still have it on iOS 8.1 and I'd like to keep it that way.
I think Apple would replace the phone (and thus give me one with a new iOS version), or update mine.
Can I solve the issue by replacing the battery, or do you think I'm experiencing a more extensive problem?
Thanks a lot guys!!
As promised, I try to keep those who are interested posted.
I had awesome battery life for the first 3-4 days, now it's getting worse and worse.
Today I had the phone shut down on me at 18%.
Weirder yet, the battery temperature sensor is stuck at 24,9 C, no matter what I do and how hot it actually gets.
I guess the old battery was indeed ruined, but there has to be something else that ruined it and is ruining the new one as well. No idea what I'm looking for. Should I try to restore the phone?
I guess I could use Cydia Eraser.
I just replaced the battery with a new original Apple one, dated May 2016.
I followed the guide, just did not disconnect the screen assembly. I don't like to play too much with these connectors...
The actual charge level right now is 55%.
I will wait for the phone to get down to 10%, charge it up to 100% to calibrate and report back.
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