Use iOS and iPadOS devices where the ambient temperature is between 0º and 35º C (32º to 95º F). Low- or high-temperature conditions might cause your device to change its behavior to regulate its temperature. Using an iOS or iPadOS device in very hot conditions can permanently shorten battery life. Store your device where the temperature is How to Fix Bad iPhone 11 Battery Life. Restart Your Phone. If you start noticing weird battery drain try restarting your iPhone. Power it down, wait for a minute, and then power it back on. Update Your Phone. Turn Down Screen Brightness. Check Your Apps. Reset All Settings. iPhone 11 Problems. If you’re having issues activating your new iPhone 11 model, check Apple’s System Status page. If it’s not showing green, you’ll want to wait until it’s green and After you update to iOS 14.5 on your iPhone 11, iPhone 11 Pro, or iPhone 11 Pro Max, you might see one of the following messages in Settings > Battery > Battery Health. Battery recalibrating. If you see the message below, it means the battery health reporting system on your iPhone is recalibrating. Reddit. A number of iPhone 12 Pro owners have taken to Apple's Support Forums to report an issue that sees excessive power draw from the handset's battery while idle, a problem that has cropped up Specify the make and model of your iPhone (iPhone 11 Pro Max in this case) to ensure accurate service information. 4. Indicate Battery Issues: Describe the battery issues you’re experiencing with your iPhone 11 Pro Max. This could include problems like rapid battery drain, failure to hold a charge, or other related matters. 5. Receive Repair iPhone 11 Pro Max Replacement Battery issues. About 2 and a half months ago I got my Iphone battery replaced, it was at 94%, and was not holding the best charge, I paid for it out of pocket at the apple store. everything went smooth. I noticed after only a few days the battery did not seem to last all day, I remember at the height of covid when There's a very good chance your iPhone 11 has a hardware problem that needs to be repaired. Visit Apple's support website to get help online, over-the-phone, or through-the-mail. iPhone 11: Turning On Again! You've fixed the problem and your iPhone is turning on again! Next time your iPhone 11 won't turn on, you'll know exactly how to fix the ynOwNAO.