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I have my iPhone 15 charging optimization set to 80% limit. Today, I take my iPhone off the charger and the battery level reads 86%. Does anybody know why this would occur, and what could be done to prevent this from happening again? Thanks in advance for your response.
iPhone 15 Plus
I have the same problem, also with iOS 17.1, on my iPhone 15 Plus. Every time the iPhone charges to 100%, even on the "80% Limit". This must be a bug.
FYI: I use the official Apple cable and charger. Please Apple fix this.
It did it again, unfortunately. It charged to 100%. Could the fact that I was using a cheap generic USB-C cable have anything to do with the problem?
Let it completely charge up all the way to 100%. Then the next time you charge it, it should then only reach 80%.
That worked for me! Thanks for explanation and hints.
try to update your phone to 17.1. After update I did not see any “overcharge” on the phone. Or maybe the calibration thing worked for me - because it was charging for 100 two or three times ina row.
I shall try to charge to 100% in the 80% limit mode, to see if that will calibrate the phone somehow.
Can you please tell that how it got resolved?
Update to iOS 17.2
I am on 17.2.1 and this behavior still present.
Did you fix it ?
I have the same problem
With 80% Limit enabled, your iPhone will occasionally charge to 100 percent to maintain accurate battery state-of-charge estimates-Apple
same here
Do you think it's absolutely necessary to use an official Apple charger to get this feature working or is any charger with "PD" certification ok?
I’m having the same problem. My iPhone 15 pro max charged 82% the other day and today it charged upto 84% battery level went to 87 after restart. Plz reply if someone knows why this happens.
This seems to have been fixed on my 15 Pro max in the software update of iOS 17.4.
Interesting but mine does it even with a regular brick I tried that. And the 17.4 update hasn’t done a thing for me
iPhone 15 charging optimization limit exceeds 80%
