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Old Mar 18, 2012, 11:43 AM   #76
horizonflyer
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My battery life on 5.1 is just as bad as the day I bought my 4s using AT&T- I've tried everything, turning on/off notifications, location services, deleting all apps running in the background, restore, everything - it's still horrible!

I've visited AT&T and the Apple store - Apple did a diagnostic and says the battery is OK.

I'm lost!
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Old Mar 18, 2012, 12:14 PM   #77
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My battery life increased by around an hour to an hour and a half more usage time. Very happy.

I originally had a 4S with a ****** battery, lasted me 3-4 hours usage tops. With my replacement 4S and now 5.1, I'm seeing over 6 hours usage off of every charge.
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Old Mar 19, 2012, 09:59 AM   #78
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Originally Posted by mullyman View Post
I'm going to give this a try. Hard reset done, now just need to drain it. Fingers crossed.
MULLY
Did it work? Make sure you do the hard reset again AFTER you're 100% charged.
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Old Mar 19, 2012, 10:29 AM   #79
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Originally Posted by bp1000 View Post
Now I have the 3G toggle I've noticed a huge difference in battery life.

I can enable 3G when I'm out and about but edge is fine when in at home or at work.

I'm getting like 30% more battery life now. But wi 3G its probably the same
Why do I not have a 3G toggle? I have the option to turn off the mobile network completely but no toggle to switch from 3G to Edge. Where is this switch?
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Old Mar 19, 2012, 10:32 AM   #80
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Settings < General < Network < 3G On/Off


Quote:
Originally Posted by pooleman View Post
Why do I not have a 3G toggle? I have the option to turn off the mobile network completely but no toggle to switch from 3G to Edge. Where is this switch?
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Old Mar 19, 2012, 10:43 AM   #81
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Originally Posted by pooleman View Post
Why do I not have a 3G toggle? I have the option to turn off the mobile network completely but no toggle to switch from 3G to Edge. Where is this switch?
Not all iPhone 4S mobile networks have this option, and from what I remember, the iPhone 4 on Verizon doesn't have that option.
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Old Mar 19, 2012, 10:44 AM   #82
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Originally Posted by itommyboy View Post
Settings < General < Network < 3G On/Off
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So clearly when I follow the instructions you gave me I come to this. No "3G" off, only "Cellular Data" on/off. So what's the deal? I am on the AT&T network. Is that the difference?
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Old Mar 19, 2012, 10:48 AM   #83
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My battery life has definitely improved.
I can feel the difference, the other day I fully charged it and it took over half hour of playing around with apps to drop to 99%.

I have made a "improve battery" guide because I could never find a reliable, in depth source before. Even if it helps just 5 of you i'd be happy, try it out!
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Old Mar 20, 2012, 07:09 PM   #84
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Just went 6h 12m of usage, 1day, 1hr of standby on my Jailbroken iP4. I couldn't get a screenshot before it died at 1%. Now to tether again and charge it fully.
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Old Mar 20, 2012, 07:18 PM   #85
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Here it is.
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Old Mar 20, 2012, 07:21 PM   #86
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Originally Posted by maccuser View Post
Before I got to sleep last night, I had the iphone charged to 100 percent, played withit for 30 mins and it was down to 98%. After 7 hours of sleep, woke up with battery at 92%. 6% in 7 hours on standby. that means the standby time is only 116 hours but apple claims 200 hours, thats pretty much half.

FYI, bluetooth is off, I had turned gmail to manual sync, and only one of my emails has fetching on (not push, had to turn it off as it drained the battery within hours)

Im just wondering if everyone else is noticing the same? maybe my battery has a lower capacity
I'm not a battery technician so don't shoot me for not knowing the details, but the battery will drop the first five percent rather quickly and then resume normal usage drop afterwards. So I would redo that test from a 90% starting point.
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Old Mar 21, 2012, 01:24 AM   #87
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5.1 seems to be killing my battery both on the iPad and the iPhone
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Old Mar 21, 2012, 02:55 AM   #88
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Now, I'm not sure why this says it was plugged in since last charge, because I don't remember doing so... For what it's worth, here's my usage. I looked at my current numbers to compare, and it should be about the same timing once drained.
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Old Mar 21, 2012, 04:33 AM   #89
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My battery life seems to have improved very slightly, but one thing i have noticed, is that within about 10 minutes from removing it from the charger in the morning, it goes down to 98% or less, but if i turn it off completely, then back on straight away, it's showing 100% again.

I've let it run as normal a few times, without restarting it and the battery seems to run down a lot quicker, than when i restart the thing.
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Old Mar 21, 2012, 07:41 AM   #90
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Originally Posted by Godzirra View Post
My battery life seems to have improved very slightly, but one thing i have noticed, is that within about 10 minutes from removing it from the charger in the morning, it goes down to 98% or less, but if i turn it off completely, then back on straight away, it's showing 100% again.

I've let it run as normal a few times, without restarting it and the battery seems to run down a lot quicker, than when i restart the thing.
I've found this too. I don't think the battery will fully deplete any quicker, it's just that the battery percentage indicator isn't very accurate and is influenced by a lot of factors
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Old Mar 21, 2012, 09:25 AM   #91
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My wife and I have both seen noticeably decreased battery life in iOS 5.1 vs. 5.0.1 with no changes made to any settings from one to the other. Her idling phone will die overnight. Typical usage from me sees much faster battery drainage than before. I've even had instances where a phone left on a charger overnight will come straight off the charger with only 99% battery reporting.
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Old Mar 21, 2012, 09:45 AM   #92
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Since the last update (The one when the ipad 3 was announced) my Battery life has gotten a lot worse. On both my iPad 2 and iphone 3GS. When I plug my ipad in at night it is now down to 20%. It use to be around 40-50%. My phone is less to but I didnt pay a lot of attention to it so I dont recall exactly how much.
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Old Mar 21, 2012, 10:08 AM   #93
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Quote:
Originally Posted by pooleman View Post
Attachment 331071

So clearly when I follow the instructions you gave me I come to this. No "3G" off, only "Cellular Data" on/off. So what's the deal? I am on the AT&T network. Is that the difference?
there is no 3g OFF on the AT&T iphone network
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Old Mar 21, 2012, 11:00 AM   #94
pooleman
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Originally Posted by tivoboy View Post
there is no 3g OFF on the AT&T iphone network
Yet another reason that AT&T is gay.
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Old Mar 21, 2012, 11:11 AM   #95
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Overall, I don't think my battery has improved. If it has, it's minimal.
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Old Mar 21, 2012, 11:36 AM   #96
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Mine seems to have improved slightly. It definitely seems to last longer, although I've never checked exact numbers. I basically only start to worry when it doesn't last me through the whole day (which only happens when I've got bluetooth on all day)
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Old Mar 21, 2012, 04:46 PM   #97
biggy52
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Mine Seems better too on my iPhone 4s

This is how i test (Non scientific)

Before 5.1
I charge my battery 100%. Remove from charge at midnight. I don't touch the phone until i wake up at 8AM when my alarm rings. The battery would be 93% (NO USAGE)

After 5.1
I charge my battery 100%. Remove from charge at midnight. ..........The battery would be at 100% at 8AM

-----------

Before 5.1
Id go about my daily usage of approx 40 calls, 10 texts, 100+ Whatsapp messages, 10-15 emails & Flipboard for Facebook, Twitter, G-Reader. My phone would be dead by 4pm (8am - 4pm)

After 5.1
Same as above. But battery lasts till 9pm.


So I'm quite happy with the better battery life in 5.1.

Last edited by biggy52; Mar 21, 2012 at 04:47 PM. Reason: Spelling mistake!
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Old Mar 21, 2012, 05:00 PM   #98
Sandyfl
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I never had a problem with 5.0, but horrible battery life since 5.1. My wife, colleagues and sons also have shorter life, draining quickly. Ridiculous
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Old Mar 21, 2012, 05:25 PM   #99
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When I'm at home or work where I have a constant wifi connection, I turn mobile data off and this seems to have made the standby time improve greatly
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Old Mar 21, 2012, 05:38 PM   #100
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I've noticed much better battery life. Now I get about 2 days on stand by where as before I would get around 8 hours.
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