Here’s the real answer. Many iPhone users find that their battery health drops to around 90% after a year of use, which makes them start to worry. 'Is there something wrong with my phone?' 'Am I charging it the wrong way?

In most cases-this is completely normal.

This article breaks down what iPhone battery healh actualy means, how much decline is normal,what auses faster aging, and when you should considereplacing your bater.