Hi brother. My 15 pro max battery health dropped 1% from 94 to 93 within 10 days. Usually battery health drops 1% will take a month but this is weird. 26th aug it was 95 then 26th September it was 94. I noticed this drop after 18.0.1 update d same day. Also I notice rapid battery drain issue. Pls do help me out bro
sometimes it refreshes and we see sudden 1 or 2% reduce in short period of time bro. its still software level calculation of hardware battery cell efficiency reduction.
give 2 more weeks time. iOS 18.1 update expected around 28th. then if you are seeing continuous battery drain then we can try troubleshooting steps like iOS Restore after taking backup.
But for now, restart iPhone once and continue using it bro. you are getting 1 day backup for your usage right?
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