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I had not yet left my 4S off the charger overnight because I have yet to make it to the end of the day with anything more than 15% battery left. Last night, I decided to charge it up a bit before I went to bed and then leave it off the charger overnight. I went to bed at midnight and woke up at 6:30 today. the battery had drained 16% even though all the phone did was receive four emails and one text message. While this is not quite as bad as the people who are reporting 20 to 30% drain, it's still completely unacceptable. This means my battery is draining 2 to 3% per hour while in standby, which is exactly what I've been seeing during the day. The phone's performance while being used to do something is about the same as my iPhone 4 was. However, the battery drain while in standby is 5 to 6 times greater than my iPhone 4. You can't tell me that's just due to the better processor in the 4S. Either there's a major glitch in iOS 5, or I have a bad battery. Either way, it looks like it's time for a trip to the Apple store. I've given this two weeks and my patience has just about run out.
 
Fixed!

I found that Apple was wrong in my case, it's not hardware like they said, it's there stupid diagnostics software thats been killing the battery. Now that I've killed them, against Apple's advice, my battery life is great!
 
I was at 79% last night after only 54 minutes of usage. I did not want to charge it up overnight so I just let it sit.

This morning it was at 52% (around 25% loss) with 1 hour, 30 minutes of usage. I did not touch it at all last night. No texts or anything. I use to be able to use my iPhone 4 all day after charging at night, and even through the next night if I wanted to charge at work. I usually end up charging at night just to have a full charge during work. Now I can only get to maybe 10pm after taking off the charger at 7am.
 
2 weeks in

So, here is my 2 weeks in final post.

I had issues coming out of the gates, I think pretty much everyone did. I DID turn off most of the location services areas in the services section, there was no PING to turn off, I don't have icloud setup, one push email all others are on fetch 15 minutes, don't send diagnostics, etc.,

Yesterday (and the day before) I had a total of 6:30 usage and a standby time of 2 DAYS and five hours before I plugged it in at 1%, but it might have lasted even longer.

Today, unplugged, it has been sitting at 100% for the past 65 minutes, done a bunch of email and downloaded six app updates over wifi.

I don't know what to say other than it is now fine! It took two weeks of conditioning it and finding settings to turn off. But, for the most part it is setup just as my previous 3Gs was and now we'll see how well this lasts.

Remember, we should have 30 days to make sure it works with our habits and needs.
 
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I think Exchange push is the culprit for me. I had been getting around 6 hours of use and 10 of standby. I would lose only 1 or 2% overnight. Email is set to fetch every 30 min.

Well last night I decided to turn on iCloud push for backup, find my iPhone and reminders. After doing the initial backup I let it sit overnight off the charger. This morning I had a 30% drop and 2 hours of usage overnight.
 
I refuse to plug this phone up until it gets to 1% the entire weekend. But I will be using it as normal and whatnot, just to calibrate a little bit. It's just so hard looking at that Battery Percentage and not want to charge it. But knowing the battery also keeps me from using the thing like a laptop
 
My battery was doing ok, not as good as my old 4 but not terrible. I synced it with iTunes yesterday afternoon and it dropped 10% over 2 or 3 hours of general usage. After that I left it with nothing running, came back 30 mins later, the battery had dropped 20% and the phone was almost too hot to touch, there was nothing running. I turned it off all night and turned it on again this morning, went back to it after a bit and it's now dropped another 50% and super hot with nothing running or multitasking, no emails, no texts, nothing.
 
Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3)

I think Exchange push is the culprit for me. I had been getting around 6 hours of use and 10 of standby. I would lose only 1 or 2% overnight. Email is set to fetch every 30 min.

Well last night I decided to turn on iCloud push for backup, find my iPhone and reminders. After doing the initial backup I let it sit overnight off the charger. This morning I had a 30% drop and 2 hours of usage overnight.

What happens if you set exchange to hourly? Does it listen? Mine does not. Even if I set it to hourly, updates will occur as rapidly as push.
 
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jollyreaper said:
Wirelessly posted (Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3)

I think Exchange push is the culprit for me. I had been getting around 6 hours of use and 10 of standby. I would lose only 1 or 2% overnight. Email is set to fetch every 30 min.

Well last night I decided to turn on iCloud push for backup, find my iPhone and reminders. After doing the initial backup I let it sit overnight off the charger. This morning I had a 30% drop and 2 hours of usage overnight.

What happens if you set exchange to hourly? Does it listen? Mine does not. Even if I set it to hourly, updates will occur as rapidly as push.

Just tested it by sending an email from another address. It does not push.

Make sure you have push turned off under the advanced setting.
 
well, I guess a refresh of the factory setting behaves the same as before for my phone...losing 1% every 2 hours on standby. I'm about 90% now.

I'm going to restore back what I had before and live with it....it's nice to know that it had nothing to do with what I brought over from the iphone 3G setting.

Here's an update:

These are standby mode...4 hours at 100%...before..it was losing 1% every 2 hours. I don't know if it's a fluke or not, but let's see how far it goes on standby mode with the changes that I made.... :D

10:25am = 100%
12:30pm = 100%
2:20pm = 100%
 
well, I guess a refresh of the factory setting behaves the same as before for my phone...losing 1% every 2 hours on standby. I'm about 90% now.

I'm going to restore back what I had before and live with it....it's nice to know that it had nothing to do with what I brought over from the iphone 3G setting.

I lose 5-10% every hour on standby... so be grateful.
 
So I bet my battery is not good at all...



gmail push on. system locations all OFF. FindFrnds and FindIphone OFF

... and my vibrator (hehe) is doing that buzzing noise... time to visit apple!


I'm pleased with the battery usage on my 4S, certainly not much worse than my 4.

The unit was quite poor the first 3 days which I can only attribute to the initial iCloud sync or the battery needing 1-2 full charge cycles to calibrate itself.

Image

Push on, BT off, Notifications on, Brightness ~40%, Siri raise to speak on, Photostream on, Location services on.
 
I think battery life is quite good after coming from Android. I have every single option turned on...puts my old Droid X to shame.
 

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I'm sure this has been posted but maybe not.
So when I first got my phone on I set it up with a restore. My usage and standby were terrible - lucky if I was getting 2.5 hours of use. Then I read a bunch of tweaks here and I ended up getting a fair amount better usage and standby. But it was still bad a 3.5 to 4 hours and the battery dropping even in standby at a rate of 5 percent or more from 100 percent in the first hour or so. So . . .
This morning I decided to restore my phone as new and keep WIFI off. I charged it to 100 percent and it's been almost 2 hours and I'm still holding strong at 100 percent with no use. I also shut off the usual suspects in restrictions and locations. I have zero apps other than what comes with the iOS. I'm going to run it like this until I get a good idea of how much better I’m doing. It may be the restore to new or the WIFI off or a combination so I can't say for sure what will happen.
 
My battery has inexplicably got better over night.

Previously, it would have been at about 30% with this usage.
 

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My battery life hasn't been bad, but when I my phone with me when I'm at a cruise port where one of my jobs is, the battery life is crazy bad.

I'll leave home sometimes with a 98-100% charge, and come home at 3 with ligh usage just checking stuff for a couple seconds or so and the battery at the end of the day ends up being 40-%50 percent.

Also the phone reception is horrible down there.

When I'm home or in class though, the battery is ok.
 
well, I guess a refresh of the factory setting behaves the same as before for my phone...losing 1% every 2 hours on standby. I'm about 90% now.

I'm going to restore back what I had before and live with it....it's nice to know that it had nothing to do with what I brought over from the iphone 3G setting.

I did a refresh back to factory settings and i'm getting 8 hours of usage (maps, browsing on wifi and 3G, no music). I think the 1% every 2 hours may be due to reception issues...i live in a strong AT&T area so I bet my phone is working less hard than yours to keep the signal.
 
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