Lumia 920 battery life suddenly changed

Hi, everyone. I am a newbie here. I had my red 920 since 11/9 and it has been great until this Tuesday. Previously the battery was great and after full charge it usually showed battery life 1day or even longer. This Tuesday I used camera a lot. The handset did get warmer because of flash and focus assist lamp. After that night the battery darin rate became really fast. After one overnight charge 100% battery only shows 9hours and drain rate was like 10% per hour. Any one has suggestions why this occured suddently? Do I need to reset the phone to factory?
Thanks a lot
Lee

Hi
I had similar issue I went to Microsoft store,they didn't understand the problem.
they said background tasks, WiFi,location service etc. Everything was offline.
The issue started after December patch update.
The system keeps dropping signal very often and it tries to reconnect to 4G and LTE making battery drain, This is as per the Tech at Microsoft store...
Use wall charger for 3-4 hours. That helps. Also let the battery drain to less than 10% and charge , Turn of all your background tasks that helps...
No word from Nokia yet., Wireless charger doesn't work well.
Also when i tried logging in from Lumia 920 to post this message, the popup login on the sign in doesnt work. Also when you post the scrolling doesnt work really well like on the desktop. Not sure if its the site issue or IE10 issue
The Spell check for Lumia is still not fixed. it suggested Aluminia... can some mod from Nokia put in a request to fix this ?
Regards
K.R
KR

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L2 Cache (per Core):          256 KB
L3 Cache:          6 MB
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Im a bit concerned about my phones battery life. nokia claimed it to be its longest battery smartphone but i have to charge it every 2 days (average use) . Is it normal for lumia 720 or my peiece is defective?

Kimi5419 wrote:
Im a bit concerned about my phones battery life. nokia claimed it to be its longest battery smartphone but i have to charge it every 2 days (average use) . Is it normal for lumia 720 or my peiece is defective?
if your 'average use' includes a moderate amount of :
- sms
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- playing audio / video
that's normal.
when mine's really sober. no calls, just reading sms, and my regular daily alarm... i charge mine about every 4 days.
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http://www.windowsphone.com/en-us/store/app/battery/5dceaa39-8477-43f2-8499-91e816767517

Nokia Lumia 920 Battery estimated time remaining m...

This morning when I checked the battery info, it was at 39% with 31 days and 5 hours left…
So I checked it again closer to 1 PM and found it remaining at 39% with 38 days and 7 hours left.
Now the time is 10 PM and it still says 39%... The estimated time remaining says more than 51 days.
Time since last charged says 2 days 14 hours (which sounds accurate as I recall myself charging it about 2.5 days ago)
I have attached 3 screenshots of what I see. Check the time stamps. They were taken just few mins apart.
I’m assuming it’s a software bug, not a hardware issue…
Has anyone ever noticed any similar battery performance indicator issues? Just curious to know…
I’ve seen a lot of posts that says the battery would not last for few days. I have experienced the same myself. It used to drain very fast at the beginning. Couldn’t make it to last more than 24 hours after a “moderate” amount of usage . Yet noticed a gradual improvement with each use. Finally came to a point where I could manage to keep it for about 3 days or so in a row.
I do recall myself leaving the phone plugged into the charger for an extra hour or so… before unplugging. Since then I have made 26 calls, longest been 47 minutes. My emails are configured to be checked twice a day, have received about 35 text messages, accessed about 7 static web pages, taken a few pictures, one GPS usage for guidance (about 15 mins long) and used a few other apps. At home always connected to wi-fi. At times I see it been connected to 4G and the other times to 3G.
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Would this “bug” kill my batter for good any sooner or would it degrade my battery life eventually?
Wonder if I should be worried… Few days ago the phone completely died. I thought the battery was dead, yet could not turn it on after charging it for 30 mins. Then read a few posts and tried a restart with just the volume lower button and the on/off button. Still wouldn’t turn on. Then I tried all three button (those 2 buttons and the camera button), which brought it back to life. All my custom installed apps remained the same.
Nokia N95 8GB was way reliable than this one.
Thax
tr
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Still 39% and now it says 54 days. I love my lumina 920. Now I love it more. I will post back when my battery needs a recharge.
Would u mind over charging ur battery for one or two hours and see if it gives similar results please?
tr

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Hi all i have had my iphone4 for about 3 months with no problems at all! in fact it been great. But i charged it up last night as normal and went out for the day and notice that the battery was going flat very fast?
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I had a 3gs before this (my wife has it now) and it is still as good as new and thats a year old or more.
Has the battery had it? if so why?
PLEASE HELP LOL
Regards
Andy

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Lumia 800 battery life is now worse with 12070 fir...

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Within a week however I was back to square one, or worse, with a full battery charge lasting 12 hours maximum. Probably worse than it was before 12070.
I take off the charger in the morning and within 20 minutes of browsing maybe a dozen web pages, couple of texts, I'm probably down to 90%.
not making calls, or sending many texts/emails/tweets... or using many of the other apps (because the battery runs down)....
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Hardly using the phone and still seeing it out of power by 8pm every night wasnt exactly what I signed up for.
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When talking battery drain, it's important to know what your Lumia has going on in the background:
How many apps w/ background access?
What apps are they?
How many email accounts do you have connected?
What are their sync intervals.
Do you keep bluetooth on/paired while idle?
WiFi?
is your max data connection E or 3G?
Do you find that if you're using 3G that it's on E a lot?
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My Cyan Lumia 800 is 3.5mo old. I gave it 12070 well over a month ago.
4 email accounts. 1 is "as they arrive", the other 3 sync at 1-2hr intervals.
I keep WiFi on at all times.
Same with bluetooth.
I have 2 background tasks: Appointile & Clever ToDo
Max data connection E while at home and 3G when not home.
When I go out and about, I play music via bluetooth earphones for 1-3 hours. I play a bit on the web and a few games throughout the day. Maybe a phone call or two. More games in the evening and then setting it face down when I sleep. I wake up and still have over %25 battery left

Lumia 900 - Battery Life

Ok, so I thought I would make this post as all I seem to see on the forums is complaints on battery life.
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So I have no complaints with battery because I use my phone non stop pretty much, so I want that clear to people who do not have a Lumia and is put of by the amount of people complaining saying it is poor.
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I agree, no issue with battery life...

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I've had my lumia for 4days now, it came with the new update preinstalled but the battery life on this phone is still really poor. It will only last for a few hours including when I have the battery saver turned on. Is there anything I'm missing or?
Solved!
Go to Solution.

Battery life on all new phones will seem poor for the first few days or so. Battery life should improve a fter a few recharge cycles. Other things to look out for are applications running in the background. Press and hold the back button to check, and if there are use the back button to quit out of each application rather than pressing the Windows start key.
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Ray.

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