iPhone 5 and iOS 6 battery drain issues revisited

As I mentioned in my review of the iPhone 5, battery life was certainly a concern during the first several days of use. The battery drained at an alarming rate of 1% every 3-4 minutes with just basic web browsing (3G on, LTE off), and during the first 2 days, my phone would lose 20-30% overnight while on standby. With my iPhone 4, it would drain no more than 1 or 2% throughout the night. Not surprisingly, after searching online for similar cases, I soon found that many iPhone 5 users were also experiencing poor battery performance. Furthermore, those who upgraded to iOS 6 with their iPhone 3GS/4/4S were also finding that they weren’t getting nearly as much juice out of their phones. Not wanting to exchange my iPhone 5 a second time unless I really had to (i.e defective battery), I tried a number of “fixes” in hopes of rectifying the issue. Thankfully, they seem to be working and I’m starting to see some improvements.

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