Battery health suddenly declined to 98 percent
Hello guys
i purchased iphone 15 pro max from apple store on 30 dec 2023 and its been 1 month and 13 days , my phone battery health suddenly declined to 98% . The battery cycle count are 31. Is this normal with iphone 15 or 15 pro max. I am apple user this was not with 13 pro max or nor with 14 pro max . What do you suggest that should I complain to apple ?
iPhone 15 Pro Max, iOS 17