iPhone 11's battery stops charging at 90% after iOS 16.3.1 updateios
my iPhone 11 charges up to 90% after updating to iOS 16,3,1 it hangs on 90% until I restart the phone is anyone facing a similar problem.
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Your iPhone uses on-device machine learning to learn your daily charging routine so that Optimized Battery Charging activates only when your iPhone predicts it will be connected to a charger for an extended period of time. The algorithm aims to ensure that your iPhone is still fully charged when unplugged.
About Optimized Battery Charging on your iPhone - Apple Support