Iphone 5 Battery Drain FIX!!!!!: Apple Support Communities. I have a friend who has an iPhone 5 and he said that ever since Sandy the battery has drained faster. So nextgenmom had some good suggestions. I would just add two things.
- Delete your iCloud login.
- Reset network settings as well. That fixed the issue for many other people on this thread.
- I read that in order to stop the heavy draw on the battery on iPhone 5 you have to: