Lumia 800 Short Battery Life

Hello,
I bought my Lumia 800 2 months ago and I've been a happy user until recently. In the past, it could remain in standby mode up to 5 days after a full charge (with WiFi on, no 3G). However, in the past few days, it couldn't even last over a night after a full charge. Within 24 hours, the battery would be drained completely and it would auto shut-down.
I haven't installed any new apps or changed my connection settings, and I think the only change I've done is to update WhatsApp to v2.8.
So, is there a problem with my phone which needs to be repaired? I have always been using the lowest brightness level and I'm a very light user (almost never use it), so it seems abnormal that such a new phone can't even be switched on overnight.
Thanks
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Hi Billyfoo
Thank you for your post and welcome to the forums.
Have you tried doing a soft reset on the device? By holding down the volume down key and the power button at the same time this will do a reset on your device but will not erase any data. Also do you have any background applications running? You can check this by going into settings and scrolling across to applications and then background tasks.
Also have you checked your Zune application for any updates? Make sure you have the latest firmware.
Furthermore you can also check the below link for a few battery tips:
http://www.microsoft.com/windowsphone/en-gb/howto/wp7/basics/battery-making-it-last.aspx
Regards
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Lumia 800 poor battery life

Anyone here's battery run out very quickly. I had it charged last night and when I got up in the morning it was down to 35% from just sitting there.
It might have been updating email but that shouldn't kill the battery like that.
I don't use it that much during the day but it seems to go down really fast. I'm currently at 47% and it estimates 1 hour left....

I actually charged it fully again. There were no apps running and WiFi as well as 3G were deactivated.
I took 2 pictures of it, one with Battery Saver ON and the other with it OFF. Without Battery Saver it shows 15h and with Battery Saver it shows 17h. There is clearly something very wrong here...
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Has anyone encountered drastic shorter battery life both on iphone 5 and ipad since updating to iOS 6.1.2? How can this problem be solved?

Dear all,
I am new to this community even though I have been a Apple user for years, so please forgive me if this question is not in the right section.
Has anyone encountered drastic shorter battery life both on iphone 5 and ipad since updating to iOS 6.1.2? I've always been happy with these two products until the update - now the battery life is considerably shorter which is extremely frustrating.
How can this problem be solved? Is there any way to go back to the previous version?
Thanks for your help.

If you update using iTunes the phone is first wiped clean, then the new OS is installed, and finally the backup is restored. After this finishes if you sync your music should be restored. Music is not in the backup, because it is already on your computer and duplicating it would use up a lot of hard disk space.
An OTA update just patches what has changed; it does not disturb content.

Possible work-around for v3.0 short battery life

First: be aware there's a difference between "Push" (which is for some email account types & some MobileMe features) and "Push Notifications" (which is for apps). They are controlled in separate Settings screens.
Short story:
If you've upgraded to v3.0, usually have Wifi ON, and experiencing short battery life, and if you can live without Push Notifications (at least until Apple finds a better solution), TRY TURNING "Push Notifications" OFF.
Alternatively, if you can live without Wifi but need Push Notifications, try turning Wifi off & let the data travel via 3G.
Long story:
First I ran alternate days with Wifi ON, then Wifi OFF, and noticed with Wifi OFF my battery life was nowhere near as short (I could get through a day), but with Wifi ON, I can barely get through half a day. This is very different to v2.21, and in my setup the only significant difference was Push Notifications being ON.
Then today I've been running continuous pings from my Mac to my iPhone, with various combinations of Push on/off, Push Notifications on/off, email accounts on push / fetch / manual, and discovered there's a huge difference in how often Wifi gets turned on when Push Notifications is enabled.
With Push Notifications ON, while your iPhone 3G (and probably 3GS) is asleep, Wifi will be turned on for 15-20seconds every 1 to 2 minutes!
This is in stark contrast to Push Notifications OFF, but Push (for email, MobileMe, etc) ON, where Wifi is on only as often as your email account settings dictate.
This explains a lot, I think. With Wifi OFF, data goes through the 2G/3G radio, which is inherently ON all the time (for phone functionality), so the incremental 'cost' (to battery life) of Push Notifications is comparatively small.
But with Wifi enabled, data is instead sent via Wifi. The incremental cost (to battery life) is dramatically higher having to turn on the Wifi radio, find the WLAN, get an IP from DHCP, then exchange data with various Internet servers, when it happens every couple of minutes!
Though I'm not really sure what Apple can do about this situation. They appear to be turning Wifi on frequently to give the illusion of true (ie timely) push notifications. I think this situation runs parallel to those who found, with v2.x, that enabling Push on email accounts & Wifi enabled had similar major negative impact on battery life. Except now heaps more people want the Push Notification feature. Interesting conundrum...

The main thing that helped me with the short battery life was lowering the brightness. My 3G was so bright I could'nt sleep at night.

When I got a new iPhone5, I experienced short battery life, and system sofware issues were not the cause. The camera also takes a blury picture regardless of lighting and I have the black one. Has anyone else experienced similar problems?

When I got a new iPhone5, I experienced short battery life, and system sofware issues were not the cause. The camera also takes a blury picture regardless of lighting and I have the black one. Has anyone else experienced similar problems?

What makes you so sure it isn't software?
The camera can be focused by take the point of focus on the touch screen.
If it is new as you said, it should be under warranty. Make a Genius Bar appointment or contact Apple with a repair request.

My MacBook Pro is really hot and the fan is on constantly. It didn't use to do this, does anyone know why this is happening? I have a very short battery life, so I have to keep it plugged in probably more than I should.

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Open Activity Monitor in the Utilities folder. Select All Processes from the Processes dropdown menu. Click twice on the CPU% column header to display in descending order. If you find a process using a large amount of CPU time, then select the process and click on the Quit icon in the toolbar. Click on the Force Quit button to kill the process. See if that helps. Be sure to note the name of the runaway process so you can track down the cause of the problem.

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Iphone 5 VERY short battery life since 6.0.2 update.. Is there anything to change that? :/

Very short battery life on my iPhone 5 since 6.0.2 update. I got up this morning and it was only half an hour in use and it already lost 10% of battery life! Please fix that apple!

Apple is still signing for 6.0.1 so you can RESTORE BACK to 6.0.1. Just download the 6.0.1 IPSW for your device and then press the shift key while pressing restore (on windows) which will open a window. Select the downloaded IPSW and you'll be back on 6.0.1. And since Apple is still signing 6.0.1 THIS IS NOT A HACK
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The cause of the whine, heating and short battery life.

It seems like we've discovered how we could fix the whine, heating and the short battery life.
If you take a look at /var/log/System.log
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localhost configd[37]: com.apple.SystemConfiguration.DynamicPowerStep load failed
Yes, that's right. Intel SpeedStep is not implemented in Mac OS X.
It seems like Apple wanted to implement it, either the engineer in charge of it was screwed up or apple was hurrying to get macbook pro released...
This also explains why Macbook pro has a higher battery life, runs cooler without whine on a properly configured Windows XP (with updated intel drivers and microsoft hotfix). On Windows XP, when the system is Idle, CPU is throttled to 1GHz.
So we have two options:
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2. Implement it ourselves - A guy called Cryptonome was trying to implement the proper power management for MacBook Pros on Mac OS X to solve these "CPU whine", heating and battery life problems, and he did have some fruitful results, but it seems like he's currently too busy or something to finish the implementation.
Unfortunately I am not a genius so I cannot implement anything like this... anyone?
What do you guys think?

That's exactly what I am doing : expecting a solution from Apple. And you know what, Apple today released a new system update for the keyboard. This update is for all the MacTels including MacBook Pro. And guess the next thing... This update fix a power draw in the MacBook USB... Great... Oh, no, in fact not so great because this bug is THE bug that allows to stop the whine (through Mirror, etc)...
Is there anyone in Apple that tests fixes before to release them ? Do those engineers working on the whine fix have given a look to that patch ? I really hope that Apple is doing something, but releasing this Keyboard patch for MBP now can mean 3 things (IMHO) :
- the whine patch is on the final steps and will be released soon, so killing the workarounds for the whine is not a problem,
- or Apple has a partial (or even none) knowledge about this problem, and they should hire better engineers, because many people made a lot of discovers about this whine, not beeing engineers,
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Short Battery Life and Very Slow Data on 4S

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Hot battery and short battery life after download of Mountain Lion.

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As in, shortly after install?
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Short battery life

hello
I have arch with gnome on my Toshiba laptop and i have very short battery life.
it ends after about 40min.
it seems to be problem in the system because when i open the computer it told me it have about 2hours and i put it on friend's laptop with vista and it told me i have 92% and 1:10hours left so i think there is(are) any or some process(es) that waste power and so short the battery life.
how can i manage the power consumption and by that to maximize battery life?
10x anyway
ariel

For starters, dim your display backlight. Set the system up to make it happen automatically. Have the shut the backlight off after more than a few minutes of inactivity.
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Don't do things that draw power. Try not to use the optical drive. If you want to watch movies, rip them to the hard disk while on AC, watch them from disk while on batteries, and delete them when you are done.
Look into the power management of your hard drive. You might look at allowing it to spin down when inactive, but I find this to not work real well under Linux. They tend to spin up and down a lot, negating the power savings.
See if you can shut things down. Wireless transmitters use a fair amount of power. So do the receivers while they are doing correlation (trying to synchronize to the chipping a spread spectrum channel). If you are not using wireless, shut it off. Look into whether your laptop can shut off other systems it is not using.
Minimize USB devices. They draw power from the system -- especially ipods and cellphones which charge their batteries from their host.
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Nokia Lumia 800, Depleted battery Won't start up.

Hi, After being away for home for 5 days with no charger for my Nokia lumia 800, I foolishly allowed it to run out of battery, Unaware of the problems this can cause due faulty hardware, thanks to Nokia I returned home and plugged the phone into charge. I have allowed my Phone to run out of battery many times before in the past as you wouldn't expect any problem to come of it. After many hours of the phone being on charge I went to turn it on, it vibrated and came up with the phone providers image then no further, it stayed on this image for hours until I held down the power button and it would turn itself off. Not being to worried at this point I went online to the many chatrooms, helpline, youtube videos you name it to source a solution. Having tried absolutely everything, about 10 times nothing has worked to multiple button combinations, heating the phone up, plugging into PC with zune - everything. Now slightly worried as I really do want this phone to work and not have to buy a new one at a great cost. This is not a problem I have cause, it's a problem with Nokia, and the manufacturing of the phone, So if no one on here will be able to aid me in fixing the phone, once I return to the UK I shall take it into a Nokia store to get it looked at, which i won't be happy to do as many of the Nokia outlets are in unconventional locations such as Glasgow.
Thank in advance for any Help which is much appreciated,
Lambtj
Solved!
Go to Solution.

You are posting to a user to user support forum here and not contact ing Nokia Care. If the 800 will not start anymore and you have done all you say you have done it's likely the battery needs to be replaced.
Click on the blue Star Icon below if my advice has helped you or press the 'Accept As Solution' link if I solved your problem..

What to do with an iPod touch with short battery life

The 64GB iPod touch that I bought this January runs out of juice fairly quickly. Even though Apple has a one year warranty for low battery life, my guess is that Apple won't replace the batteries for free. Apple will only replace batteries if the juice lasts a significantly shorter time than it initially did. If it does last significantly shorter than it originally did, that must be proof of heavy usage on the users part rather than malfunction by the manufacturer, hence Apple is not responsible.
For people who get it replaced by Apple: how do you or Apple find out that the battery level is low enough for a free replacement? If the battery level was low enough for a replacement, how did you get Apple to replace it for free?
On the chance that I'm not able to replace it for free, can I use my old iPod touch to get a discount on iPhones?

And what was the outcome of the test? Fast battery drain could be the result of a number of issues besides diminshed battery capacity. The test on the Apple site makes no mention of putting the device in Airplane mode, turning off push, notifications, locations services, etc. It just says to quit open applications. Does that also mean removing them from the "multitasking bar"?I'm not sure this test, as described, really gives an accurate assessment of battery health.

Lumia 800 Short Battery Life

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