Help for a friend: ICS on Galaxy Note
A friend of mine has just upgraded his Galaxy Note to ICS (the official Samsung upgrade) and it's absolutely destroyed the battery life. Previously he was getting a couple of days' usage from a battery charge; after the upgrade it's draining the battery flat in a few hours.
I'm no Android expert but I know that many people on this forum are. Can anyone offer any advice on what he could do to resolve the problem?
Currently proofreading The Poison Belt, by Sir Arthur Conan Doyle.