battery health
my iphone show 86 battery health while 3u tool show 87 why
iPhone 12 Pro Max, iOS 17
my iphone show 86 battery health while 3u tool show 87 why
iPhone 12 Pro Max, iOS 17
Don;t use external tools to measure your battery health.
Battery health drops with battery usage, this is a normal chemical process within the battery. You cannot stop the process
See this link for a user tip that i have written for further reference about the subject
About battery health on your iPhone - Apple Community
battery health