My iPhone 11 Pro was fulling charged with Power plugged in. After the Software version 15.5 was updated. My phone was fully charged. I turned it off over night then turned it back on the next morning. My battery was down to 79%. What's going on?
iPhone 11 Pro, iOS 15
Hi TechnicalGuyKinda,
We'd love to assist you with maximizing your battery life. Let's start by making the necessary changes listed here: Maximizing Battery Life and Lifespan to improve your battery life.
Also, you can find some helpful details on the performance of the battery here: iPhone Battery and Performance
Take care
Battery Drained after Software Update
