is there a way or a trick to help the battery health on my iphone 7
Mr battery health is requiring service. Is there a way to improve this at home?
iPhone 7, iOS 15
Question marked as
If it says your battery needs service then have Apple replace it for around €£$50
https://support.apple.com/iphone/repair/service
You can see additional service information within the following article:
Get your iPhone, iPad, or iPod touch ready for service - Apple Support