The iPhone 11 and 12 Series require an additional tool in order to restore the battery health to 100% and by replacing just the cell of the battery we can av
Going from 0% to 100% is more damaging to the cells than going from 25% to 75% twice. Both cases will correspond to 1 charge cycle but one case will exhibit less wear than the other. Therefore going 0 to 100% for 500 times is more damaging than going 25 to 75% 1000 times. prgrmrx010.
DO NOT REPLACE YOUR BATTERY YET! in iOS 14.5, dev beta/Public beta, there is a feature being added where the battery health feature was inaccurate and is being recalibrated for iPhone 11 series only, wait for iOS 14.5, for it to calibrate, and then decide if you need a new battery or not.
Apple will replace the battery in your phone for $69 which is very reasonable. You can make an appointment to have the work done at an Apple Store and they'll do it the same day. It's worth doing at any point when you get below 80%, bu again the urgency would depend on the impact to your use.
If you want to check the health of your battery (available on iOS 11.3 or newer), you can do so by following these steps: Open the Settings app; Tap Battery and then Battery Health & Charging; This will show the maximum capacity of your battery. If your iPhone performance is being throttled due to a reduced battery, you'll be able to disable
Apple has launched a new battery health recalibrating tool and in this video go over everything you need to know about how to properly calibrate your iPhone
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iphone 11 pro battery health
