It’s not surprising that iOS 6.1 battery life isn’t as good for iPhone users as it used to be, but some users can fix bad battery life in around 10 seconds.
The iOS 6.1 update introduced a bug that could lead to increased network activity and reduced battery life for users with Exchange accounts. Exchange is a common email service used by companies large and small, so if you have work email and calendars on your iPhone, it’s likely exchange.
After making changes to certain calendar events in an exchange calendar, iPhone may begin to lose battery life rapidly. In no instance have we seen iOS 6.1 battery life on the iPhone 4S drop to 55% with just a few hours of actual use.
Apple is likely working on a fix in an iOS 6.1.2 update, but there is no estimated delivery date for the fix.
How to Fix Bad iOS 6.1 Battery Life
If you notice that your iOS 6.1 battery life has dropped significantly, these steps may fix the problem. This is not a perfect fix and may not help all users, but it’s worth a try, especially since it’s so quick and easy to do.
Tap on iPhone and scroll down until you see .
Tap Mail, Contacts, Calendars.
On the next screen, look for your swap account. For most users, this will be your work email account. In the example below it’s Bluffton, but yours will likely be a form of your company name or work email address.
Tap your work email account.
on the next screen.
Close and reopen calendars.
Wait 10 seconds and then .
This fix will not help everyone. If you can’t wait for Apple to release iOS 6.1.2, you might want to do a full restore as a new iPhone and then sync your apps and data back to the phone, but that’s the more extreme step.
