iphone 15 pro max battery drain after 18.3.1 update
Device is heating up and battery is draining very quickly
iPhone 15 Pro Max, iOS 18
Question marked as
After an update on your iPhone, it must carry out several background tasks including indexing to complete, which basically means sorting all your millions of bytes of data on the new software. This can drain additional battery and cause increased thermal temperatures. Give it a few days and it should be back to normal.