01-03-2013 06:31 PM
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  1. Mr37's Avatar
    Well I found the culprit app on my phone ... I was using whatsapp and it was sucking the juice out the battery like no one's business. uninstalled, reboot and after two charges ALL seems to be good. 53% left after 17 hours of moderate to light use (3 calls, 13-15 SMS, 10 min youtube, 20 min browsing). I am happy with that.
    jdhooghe likes this.
    12-31-2012 05:17 PM
  2. jMawl's Avatar
    Metrotube kills my battery even without using it. I have installed/uninstalled it 3 times and it is very consistent.
    12-31-2012 08:04 PM
  3. jMawl's Avatar
    In summary, if your battery is draining faster than it should, restart your phone.
    I will agree with this. A restart of my phone often stops the rapid battery drain.
    12-31-2012 08:15 PM
  4. ibuyufo's Avatar
    After going back to the previous original version of the windows 8 firmware that came with the phone the battery is very good. I have Appdeals, das image, gas buddy nokia drive+ beta and yelp allowed in background task, wifi on, bluetooth on, and location service I still have 72% battery after 17 hours. I've been using the phone moderately throughout the day using Yelp, checking email, and maybe about 5 minutes of youtube.
    12-31-2012 09:23 PM
  5. fraddy's Avatar
    this might be done on purpose (providing a medium-capacity battery and allowing it to bleed energy fast) as more frequent and shorter discharge-recharge cycles limit battery life and force consumers to buy new batteries/phones creating more income for Nokia and Microsoft.
    01-01-2013 01:55 AM
  6. ScubaDog's Avatar
    Honestly, I pretty much see the same thing, meaning that if I play a game or stream music I kill my battery long before the day is out.
    01-01-2013 01:38 PM
  7. ind1g0's Avatar
    I have had similar issue from day one on my 920. Something is getting stuck, (GPS, high CPU, etc) and it chews through the battery until i restart the phone even with all apps closed. My wife has the 820 and does not seem to have this issue.
    01-02-2013 08:16 AM
  8. CptnSqueaky's Avatar
    Has anyone tried this? It says that the GPS is the culprit. Can anyone verify this?
    Nokia Lumia 920 Review | Ubergizmo

    Read the section that says "Battery life (excellent, but shut down that GPS!!!)"
    01-02-2013 09:30 AM
  9. Yarrumc's Avatar
    I had ok battery life before the Portico update. After the update, it seemed to get a lot better. I had a strange issue over the holiday where a couple of days, the battery lasted a half a day. I made sure any battery draining applications were not running in the background. Then as of yesterday, it was normal again. Who knows...
    01-02-2013 10:54 AM
  10. SaabBrat's Avatar
    I've experienced this issue with my L920 since US release day, on two different handsets (first one bricked upon reset and was replaced under warranty). The issue is random and does seem much better after Portico. I thought maybe it was fixed entirely with the update, but a couple days ago it did it again--took it off the charger in the morning and within a couple hours it was under 50% without any usage.
    01-02-2013 11:42 AM
  11. yangxixi's Avatar
    Here's my story. Before the Portico update my battery life was ok. It can last about 14-16 hours everyday, with WIFI on, Data off and about 2-4 hours of email checking/web surfing. In the most recent week I am also seeing very fast battery drain with similar usage. There was one time I left the phone in standby at 38% battery and three hours later the phone is off. I'm not sure what happened so I am doing some tests.

    I first uninstalled metrotube, gmap, gas buddy and some other apps. But I am still seeing fast battery drains. So here's what I have done afterwards

    1. charged the phone full on wireless charger, by the time i went to sleep (1019pm) it was at 100%, and estimated time remaining is 17hours. I turned off wireless and wen to sleep
    2. the next morning (802am) I checked the phone again it was still at 100% and 17 hours remaining
    3. I turned on wifi and used the phone to check some social feeds and emails, by 815am (13min) the battery was at 98%, though the estimated time remaining becomes 20days 7hours
    4. I left WIFI on, but disable all background tasks, and left my phone at standby. by 922am it was 96%, and by 119pm it was 95%, pretty decent.
    5. Played with it for about half and hour with WIFI on, at 148pm it was 93%
    6. I enabled CNN and Weather Channel in the background tasks and left it in standby. I didn't select the WIFI always on option. The battery becomes 32% at 649pm. I disabled the background tasks but kept WIFI on, battery dropped to 7% at about 10pm. And I started recharging.
    7. This morning I went out at 630am, turned off the wifi and the phone was still at 100% at noon. As I look for the screenshots on battery levels, the battery dropped to 99% just now.

    I am going to open just weather channel in the background right now and see how it goes. I had the location service for those two apps turned on during that 5 hour 93-32% battery slump yesterday, this time i'll turn off the location and see.
    vinnyvv likes this.
    01-02-2013 11:49 AM
  12. yangxixi's Avatar
    After roughly 3 hours the batter is 96%. Switching on the location service for whether channel now to see the effect.
    01-02-2013 02:23 PM
  13. rabc_nesbitt's Avatar
    Took phone off charge at 06:30. Had bluetooth on and mobile data all day with push mail. Moderate use, with phone calls and a little bit of Facebook. Now 20:30 and battery is at 67%

    I can live with that. It does seem to get better the more times I charge it. I have had the phone 10 days now. UK unlocked variant of phone
    01-02-2013 02:31 PM
  14. takisrock's Avatar
    I don't know if this is already post it here, I couldn't read all the pages but I had found an atricle by Nokia about these problems
    Battery information and Tips for Lumia 820 and 920 - Nokia Support Discussions
    01-02-2013 04:39 PM
  15. vinnyvv's Avatar
    After going back to the previous original version of the windows 8 firmware that came with the phone the battery is very good. I have Appdeals, das image, gas buddy nokia drive+ beta and yelp allowed in background task, wifi on, bluetooth on, and location service I still have 72% battery after 17 hours. I've been using the phone moderately throughout the day using Yelp, checking email, and maybe about 5 minutes of youtube.
    Hey can u tell me how you did this? My battery sucks so bad with portico, i dont know if its the battery or the update because i installed it right away when i got it. I have a white lumia 920 from att. Please explain how you did this and what firmware to use to go back.
    01-02-2013 05:39 PM
  16. vinnyvv's Avatar
    After roughly 3 hours the batter is 96%. Switching on the location service for whether channel now to see the effect.
    Keep us updated, i wanna see what the culprit is, my battery drops like a rock in standby also, 100 to 72 last night in 8 hours of no touching and wifi off. only weather channel and battery app running in background
    01-02-2013 05:52 PM
  17. generalsu's Avatar
    I did some test against my HTC Desire and NL920 with WIFI On. Surprisingly, the HTC Desire loses way more battery juice than NL920. Looks like NL920 is doing quite well with battery life. I think most of us simply use the phone too damn much to complain. Once we get over the honeymoon, the battery life will feel longer.
    01-03-2013 06:31 PM
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