Iphone 7 Battery Health 100 But Drain Fast. Toggle off both Share iCloud Analytics and Share iPhone Analytics. There is a simple method to self-check your battery draining.
1 hard reset the iPhone by holding down the lock button and Volume down - button. Charge cycles are measured this way. IPhone 7 draining really fast at 100 Battery Health.
Scroll down and tap on Analytics.
Scroll down and tap on Analytics. There is a simple method to self-check your battery draining. If you start at 50 and charge fully its considered half a cycle. Depending upon the length of time between when the iPhone was made and when it is activated your battery capacity may show as slightly less than 100.
