Help Wifi Battery Drain

[xbroogw1]

A few days ago for some unknown reason the wifi on my Nexus 5 has started to drain the battery really quickly. I've checked the battery and it's taking up 32% of the battery, even when not connected to any wifi.

I've cleared the cache on my phone and turned off wifi scanning in the location tab, but nothing seems to work.

I'm on stock Android Marshmellow, not rooted and I haven't installed any new apps recently.

Has anyone else had this problem and resolved it?

Thanks.

 

[jj14x]

I think there is/was a bug where WiFi battery usage was being inaccurately reported on some devices running M. It would show a high percentage, but it was not actually using up that much battery life.
https://www.reddit.com/r/Android/comments/3orl15/psa_marshmallow_wifi_drain_is_an_algorithm_error/

Also, read https://code.google.com/p/android/issues/detail?id=189018 & http://forum.xda-developers.com/google-nexus-5/general/guys-call-wifi-battery-drain-6-0-t3219870

You indicated you wiped your cache - did you do that in recovery? or in settings/storage? (need to do that in recovery)

 

[xbroogw1]

Thanks for your reply. I did wipe the cache using recovery. I've read a few forums with people who have had the same issue. I hope Google release a patch to fix it.

 

[JBentleyR]

I think there is/was a bug where WiFi battery usage was being inaccurately reported on some devices running M.

This sounds like something I have found on occasion, although I'm still running KitKat. I have heard elsewhere that the battery meter is quite unreliable.
On occasion, the blue line indicating 'WiFi on' appears to be on continuously, despite my having turned WiFi off - overnight, for example. Closing down the phone completely seems to correct this, but it re-occurs again later.

 

[patrickt]

A few days ago for some unknown reason the wifi on my Nexus 5 has started to drain the battery really quickly. I've checked the battery and it's taking up 32% of the battery, even when not connected to any wifi.

I've cleared the cache on my phone and turned off wifi scanning in the location tab, but nothing seems to work.

I'm on stock Android Marshmellow, not rooted and I haven't installed any new apps recently.

Has anyone else had this problem and resolved it?

Thanks.

I call it the Sync Sink. For me it's WiFi and Google Exchange Service trying desperately to sync contacts. It's fast and runs constantly. I finally did a factory restore and then restored apps and data to a point 34 days before. So far, so good. I restored using Android 6 restore and it was quite good.

 

[Curbs007]

Toggle flight mode on and off..if you search you'll find some other suggested solutions as well..but that did it for me..hope you get it sorted.

 

[exninja]

My fix was to turn off the always scanning in location options