We all know that when iOS 5 came out, it had several problem about the battery. iOS 6 is not different, and a lot of users experienced a continue drain of battery life.
Now in these days I constantly monitored my iPhone changing continuously its settings in order to find what’s wrong with it. Finally I got a clear result and solved my problem. (1% of usage in more than an hour with 3G turned on in standby!). All of the tests were made with an iPhone 4S, but it should be the same with the other models.
1. First step
First of all, you need to do a complete restore with iTunes. Keep in mind that once it has been restored, it mustn’t be restored again from backup, because it won’t solve anything, so be prepared to lose all the files. Transfer everything you need to your computer like…
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