Re: iphone 5 restarting
This has nothing to do with the battery. Google is your friend:
Originally Posted by Bivolarudk
Nutshell: Since the phone is crashing and restarting, one of the built-in apps is having a problem, not responding to the WDT polls. If it were an app you installed, that app would be killed without effecting anything else.
Step one: Backup your phone to iTunes and sync/backup any individual application data that you can separately. Wipe and restore your phone as new, without restoring data. Reinstall your apps and their data through the apps themselves.
Step two: If that fails to resolve, contact Apple / make an appointment with your nearest Apple Store Genius Bar, you may have a hardware defect. Though if your battery was replaced by a third party and Apple can see that, you're probably on your own.
And in the future, if your problem has nothing to do with the displayed battery percentage, don't mention that. You were getting an answer for that because THAT is what you were asking about. I had to re-read the entire thread four times to even think that the WDT Timeout is the problem you're actually having.
Or if you have multiple issues, say that there are multiple issues and list them as such.
Your battery performance might be poor because of the constant crashes you're experiencing.