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I am using iPhone 15. Used for 6 months. Now the capacity percentage is decreasing every 2 days. If this goes on I will have to service this phone next month. I need a solution for this. There are still 6 months for the warranty to expire.
iPhone 15, iOS 17
The phone is 6 months old. On average over time, it is normal to expect that the Maximum Capacity will decline at about 1% a month. That's an average though. It might go 2-3 months without declining at all, then drop 2-3 the following month. Then go another few months without dropping at all, or dropping only 1%.
So, if your phone is 6 months old, it would be normal to expect that the Max Cap would be in the 94% range at this time.
Another way of looking at battery performance........it would be normal to expect that the Max Cap will decline.....on average.....at about 1% for every 25 charge cycles.
So, your battery has about 225 charge cycles so far. 225 divided by 25 = 9%. So, a Max Cap of about 91% would be normal. Your battery is at 94%, so it is doing better than normal using that measuring method.
I wish that my battery was doing as well as yours.
iphone battery decreasing day by day
