04-15-2015 09:05 PM
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  1. dpham00's Avatar
    I have a big drain on wifi, but disabling wifi works great over 4GLTE.
    Verizon GS6 has no cell stand by battery issues-uploadfromtaptalk1428847381054.jpg

    Sent from my Pearly White Verizon Samsung Galaxy S6 Edge
    04-12-2015 09:03 AM
  2. codysanbor's Avatar







    Not bad!! 3 hours screen on time 1 day 16 hours
    04-12-2015 11:12 AM
  3. STEVESKI07's Avatar
    Getting some odd discrepancies so far this morning between the Samsung battery app and GSam. Only thing I did was reset cache this morning. Anybody know what to make of this? I've been at home all morning so far so I don't think I'm experiencing any issues. When I notice a big battery drain is when I have WiFi on but am not connected.

    Could resetting the cache be screwing with the Samsung monitor? Verizon GS6 has no cell stand by battery issues-1428855776838.jpgVerizon GS6 has no cell stand by battery issues-1428855793201.jpgVerizon GS6 has no cell stand by battery issues-1428855800754.jpg
    04-12-2015 11:23 AM
  4. codysanbor's Avatar
    Getting some odd discrepancies so far this morning between the Samsung battery app and GSam. Only thing I did was reset cache this morning. Anybody know what to make of this? I've been at home all morning so far so I don't think I'm experiencing any issues. When I notice a big battery drain is when I have WiFi on but am not connected.

    Could resetting the cache be screwing with the Samsung monitor? Click image for larger version. 

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    Gsm battery takes averages also on the bottom make sure since last full charge is selected. It's a triangle I belive. Another thing I did was turn off the weather on the lock screen it caused a wake lock for me. And held my phone away searching. It's the second time over night I seen it say looking for location. Turned it off mucho better.
    04-12-2015 11:34 AM
  5. elter's Avatar
    Same problem here. VZW S6 Edge.. I've unchecked 'Always allow wi-fi scanning' and set location services to only use GPS to see if it makes any difference. I read on reddit that some people had better luck with Advanced calling _enabled_ on VZW. It may make some sense if the problem is indeed with cell _standby_ functionality which is activated only when wifi is on if I understand this properly.

    If so, enabling Advanced calling may force your phone to always keep LTE connection active and not in standby mode. I'll try it if WiFi tweak I made doesn't help.

    Also, Can somebody post some additional info about Cell standby? I'm looking for 'Time on' and 'Total connection time' metrics reported by Samsung Battery app. Concluding the things I read here and on reddit I'd expect to see battery drain issues when 'Time on' value is way higher than 'Total connection time'

    Thanks.
    04-14-2015 10:03 AM
  6. elter's Avatar
    Same problem here. VZW S6 Edge.. I've unchecked 'Always allow wi-fi scanning' and set location services to only use GPS to see if it makes any difference. I read on reddit that some people had better luck with Advanced calling _enabled_ on VZW. It may make some sense if the problem is indeed with cell _standby_ functionality which is activated only when wifi is on if I understand this properly.

    If so, enabling Advanced calling may force your phone to always keep LTE connection active and not in standby mode. I'll try it if WiFi tweak I made doesn't help.

    Also, Can somebody post some additional info about Cell standby? I'm looking for 'Time on' and 'Total connection time' metrics reported by Samsung Battery app. Concluding the things I read here and on reddit I'd expect to see battery drain issues when 'Time on' value is way higher than 'Total connection time'
    04-14-2015 10:04 AM
  7. STEVESKI07's Avatar
    I think the post on Reddit he is referring to is this: FIX FOR VERIZON GALAXY S6 CELL STANDBY DRAIN : GalaxyS6

    The fix was this:
    1) turn off phone
    2) hold volume up, home button, power button until it boots into recovery
    3) wipe cache partition
    4) reboot
    5) turn ON advanced calling


    I'm trying now and I'll report back when I know if I do or don't see a difference.
    04-14-2015 10:38 AM
  8. elter's Avatar
    Yep, I wasn't sure if it's ok to post a link to external resource here. newbie ;-)
    04-14-2015 10:48 AM
  9. STEVESKI07's Avatar
    Yep, I wasn't sure if it's ok to post a link to external resource here. newbie ;-)
    No problem, you probably need a few more posts before you can post links anyways.. Thanks for the heads up.
    04-14-2015 10:49 AM
  10. Seth Lake's Avatar
    Yesterday 30% of my battery drain was due to cell stand by and I've also noticed that my cell reception has degraded ever since I've switched. My house always gets 3G my s6 doesn't recognize it and now my phone calls having been dropping a lot. Anyone else seen a drop in signal as well?
    04-14-2015 11:18 AM
  11. mactruck's Avatar
    For the people who were asking about Google settings and sending error reports.

    Go to Google Settings App. 3 dots top right and click usage and diagnostics. Turn off.
    04-14-2015 01:15 PM
  12. elter's Avatar
    Ok, I think I have some additional data points here.. It looks like 'cell standby' category is just misleading. We assumed that it had something to do with actual cellular radio, which was only partially true. In fact, standard Battery reporting app includes WiFi usage to this category. This explains why people see huge battery drain only when wifi is connected. That's what I did to come to this conclusion:

    1. Factory reset
    2. After confirming that the problem was still there, I installed Spotify GSam battery monitor and started downloading my playlists over wifi.

    After ~ 20 mins of downloading, I found that the only increased value in Battery app was in fact 'Cell standby' but GSam reported 99% of battery for that time period was consumed by WiFi. See screenshots attached. So, it looks like a lollipop bug which affected many manufacturers and nexus devices one way or another. Check reports for LG G3 Lollipop updates, galaxy s5 etc. Google 'lollipop wifi battery drain'. I'm not even sure who to blame at this point. VZW for approving such lollipop updates? Samsung for pushing new device to US market with raw OS. Google for buggy release?

    At this point I fell like disabling WiFi scanning and letting device sleep with no wifi unless it's plugged in would be somewhat acceptable workaround until this issue is resolved.

    Thoughts?

    Verizon GS6 has no cell stand by battery issues-screenshot_2015-04-14-14-37-03.jpg
    Verizon GS6 has no cell stand by battery issues-screenshot_2015-04-14-14-37-54.jpg
    04-14-2015 02:43 PM
  13. elter's Avatar
    Somehow, Advanced Calling enabling on my line,in the phone settings and restarting it fixed the problem. I'll wait for a day or so to confirm this but my phone has been 'cell standby' problem free for more than an hour.
    04-14-2015 04:46 PM
  14. STEVESKI07's Avatar
    Yes I cleared the cache and then turned on Advanced Calling and now these are my numbers with WiFi on. Verizon GS6 has no cell stand by battery issues-1429053774408.jpgVerizon GS6 has no cell stand by battery issues-1429053781878.jpg

    This was before
    Verizon GS6 has no cell stand by battery issues-1429053858868.jpg
    04-14-2015 06:24 PM
  15. mactruck's Avatar
    First one is before I went to bed. It sat on my night stand and I woke up to this.

    Not sure what is draining it over night
    Attached Thumbnails Verizon GS6 has no cell stand by battery issues-1429092427265.jpg   Verizon GS6 has no cell stand by battery issues-1429092484334.jpg   Verizon GS6 has no cell stand by battery issues-1429092502214.jpg  
    04-15-2015 05:08 AM
  16. Almeuit's Avatar
    T-Mobile version here. Tested something last night... I kept wifi and wifi calling on but changed to my 2.4 GHz network versus my 5 GHz network at home.. Drain was extremely light (1.1% an hour) .
    Attached Thumbnails Verizon GS6 has no cell stand by battery issues-1429111295947.jpg   Verizon GS6 has no cell stand by battery issues-1429111301034.jpg  
    04-15-2015 10:21 AM
  17. STEVESKI07's Avatar
    First one is before I went to bed. It sat on my night stand and I woke up to this.

    Not sure what is draining it over night
    Definitely your wifi and phone radio as those percentages go up and the screen goes down.
    04-15-2015 10:29 AM
  18. Jaycemiskel's Avatar
    According to GSAM my phone radio took up 48% of my battery today. That's with wifi off. I'll see how it does tomorrow.
    04-15-2015 09:05 PM
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