IOS 4.3.3 battery life has been significantly reduced

I think it has already been answered by someone earlier but what worked for me was to turn off "Fetch New Data" in Settings > Mail, Contacts, Calenders.

There is obviously something wrong in this piece of code in iOS 4.3.3. My iPhone 4 was consuming batter 4X faster with this turned on.

FULL RESTORE and reload worked to correct the bad 4.3.3. download for me.

Lost no data except the security code had to be reset.

you lost all your SMS history and app organization, right?

No I got by with using the version backed up by itunes not having to go to a whole restore and new build which would have been my next attempt.

The number of apps using location-based servies is matter.

If you have installed hundreds of apps,
my solusion is 'Reset Location Warnings'.

Setting -> General -> Reset -> Reset Location Warnings.

It really works.

good luck.

ok,

So far, I have restored as new (which sucked)

I have turned off all my features (location services, push email, etc ...)

I have turned Airplane mode off, then on.

I have also reset location warnings ....

Here is where I stand today. This is after 47 minutes of call time, approx. 1 hour of tethering my iPad 2, and checking my email faithfully every 30 minutes...

This is somewhat reasonable but a FIX sure would be nice so I could actually turn on the features that make the iPhone different from other phones.

I'm at a point where I'm almost scared to use my phone as it will most certainly be dead when I have to make that 1 important work phone call.

K

As I previously mentioned, I did a full restore - new iPhone - and have had excellent results.

I also just did my wife's iPhone 4 last night, also as a new iPhone. That's working perfectly too.

I didn't do anything else, but the full restore.

I did the same thing and have excellent results as well.

II didn't restore as new, and battery functionality has improved. I did place the phone into DFU mode, then restored it, then restored it from backup. Get this though. I have an IPod touch 64 gb, and I can go for up to 40 hours plus on the battery. The tech specs even say that, but yet IPhone batteries will only last 7 to 10 hours. Safari is faster on the IPod Touch when I tether the phone's connection. Hands down, the IPod Touch is a far better device. And, what's up with Apple not having an app for the support communities? I hate going into Safari constantly to come here. Apple needs an Apple Support Communities app. There isn't one in the app store. I checked.

Have you tried turning ping off?

http://www.geek.com/articles/apple/how-to-shut-off-ping-and-increase-battery-lif e-with-ios-4-3-20110321/

Exchange 2003 is a major issue - it is outdated, unsupported, and has a lot of issues with newer devices (Webmail/OWA doesn't even show a list of connected devices in my experience).

Exchange 2007 (pre-SP1?) doesn't support outlook:mac 2011, and I've heard of issues with iPhone, Android, etc.

I have an iPod Touch 64GB, and I *definitely* can't go 40 hours. Not under "similar" conditions to the iPhone.

Sure you can turn everything off, but even then there is some parasitic drain with iOS 4.3.x (4.3.2 is bad; 4.3.0 was worse; I'm afraid to go to 4.3.3).

I had the same issues and tried everything I could read on these forums. Finally I made an appointment with the Apple Store and they replaced the phone. The new phone is running 4.3.1. The old phone had 4.3.2. I can't confirm if the firmware was the same (didn't write it down)... My feeling is this is really an issue with the firmware. Many of the users with issues mentioned their phones were newer. Mine was approximately 90 days old. Ever since I got a new phone with the old iOS I haven't had a problem.

I've already got this turned off , my battery is draining really quick still, this is the 3rd time this has happened to me on an update, also lost all my music in last 2 updates.

When I restored to pre 4.3.3 update I lost all my texts sent since then