IOS 4.0 Battery Fix.......

Been reading a lot about battery issues on the 3GS after you upgrade to 4.0. People seem to think the multitasking is causing the drain, or the wifi, or ___.
I had lower then expected battery life when i did the upgrade. I decided to back up my data (pics, bookmarks, notes...etc) and restore the phone as "New". I DID NOT use a backup to restore the phone. Once the phone was setup as new I installed all my apps, and put my data back on it. I had to setup all my apps again, my e-mail, and everything else i had customized. this was a pain in the *** and took a lot of time however i have gained over 2 hours of battery life.
Maybe when you just upgrade 3.x to 4.0 you can get a glitch. Like trying to upgrade windows.....its always better to do a clean install over a upgrade.
I have every feature turned on....(push, wifi, location service...etc)
So with 2% of my battery left i have:
Usage: 5 hours 15 minutes
Standby 1 Day 1 Hour.
[IMG]http://imgur.com/l4a1a.png[/IMG]
So if you are having battery issues try to set your phone up as "New". Do not restore from a backup. hopefully this will help some people.
and for the record the multitasking feature does not use any extra battery life unless a app is allowed to run in the background. Currently the two main things allowed to run in the background by Apple is music and the GPS. You will know the apps are running because you either hear music or see the new GPS arrow next to the battery meter. Apps like settings, phone, photos, messages, notes, .....etc DO NOT use extra battery if in the dock screen. Think of the multitasking as more of a fast app switching feature.

i used itunes to sync my contacts, apps, music, videos, pictures. i e-mailed myself all my notes and copied the pictures in the camera to my computer. i also e-mailed myself all my bookmarks.
once everything was sync with iTunes i upgraded my apps within itunes so only the most recent versions would by put on the "new" phone.
once the phone was restored as "New" i synced all my stuff back.
I lost all my in app data and text messages by doing this method. I also lost my "favorites list" in the phone and all old voice mails.
i had to reset up my apps, setup my e-mail, retype my notes, make new bookmarks and a few other items. Once i did all of this I made a new Backup and deleted all the old backups.
If my phone breaks i know have a good 4.0 back up that has no 3.X data on it.
Message was edited by: firedogut

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