Quick Fix Problems for iOS 5.1.1 Battery Life

iOS updates can come with some unexpected surprises regarding battery life and iOS 5.1.1 isn’t much different. While there are a fair amount of reports of positive battery improvements not all of us were so lucky, the battery life on my iPad 3 absolutely tanked after updating to iOS 5.1.1.

After rebooting several times and trying a handful of troubleshooting solutions, I discovered this to be a fairly common issue with users who updated iOS through on-device OTA updates, though there doesn’t seem to be much explanation as to the cause. Fortunately the fix is simple, so if you have experienced a drop in device longevity after the 5.1.1 update try the solution below.

Before proceeding you should perform a quick manual back up through iCloud or iTunes just in case something goes wrong. This process resets all iOS device settings, meaning you will have to re-enter Wi-Fi passwords, auto-fill info, Apple ID, etc. 

1. Open “Settings” and tap on “General” then “Reset”, tap on “Reset All Settings”
2. Enter the passcode if you have one set, then tap “Reset” to confirm the settings adjustment
3. Reboot the device and set it up as new, reentering personalization data as necessary

Battery life should be immediately improved, though a comment left on Apple Discussion Boards suggests letting the iPhone/iPad/iPod touch drain down to 0% and then recharging for an hour or so past 100% before disconnecting from a power source is a good follow-up.

This worked wonders for my 3rd gen iPad and battery life is now back to the 10+ hours I had before the update. If you’re still having problems you can try some of our past tips on improving and maximizing battery life for iDevices.

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