Apps may request a WAKE_LOCK to keep a device component from "sleeping", so they can perform a task even when the display is turned off. Obviously, those "Wakelocks" can become an issue for how long your battery's charge holds...

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6
votes
3answers
7k views

msm_otg kernel wakelock preventing deep sleep

Ever since upgrading my stock Sprint Galaxy S3 to the official Jelly Bean release, my phone won't go in deep sleep at all, it's constantly at 384MHz. It's because of msm_otg kernel wakelock. Anyone ...
3
votes
1answer
175 views

Battery Drain from mysterious wake locks

I have an huge battery drain issue on my OnePlus One running Android 4.4.2 on stock ROM CM11s O5Q with FrancoKernel R35. I googled and searched so many times but couldn't find anything and I am really ...
2
votes
1answer
327 views

How do I keep CPU off when charging?

When I connect the USB power source, it makes CPU to stay on (even though "Development->Stay awake" is off). When charging from a weak power source if makes battery to drain even faster than is case ...
1
vote
1answer
91 views

How do I keep my camera active on Android even when the phone is locked and screen sleeps?

When I play Ingress, Ingress remains active. Even when my screen goes black, if I push the power button, Ingress is still active. I do not need to unlock my phone nor wait for it to "wake up". (The ...
0
votes
1answer
18 views

Disable Android Device Sleep Mode when connected with Power supply

I am working on a client requirement in which they wanted to disable android device going into the sleep mode when the external power supply is connected Does any one have come across this kind of ...
0
votes
1answer
219 views

YouTube app holds a long wakelock. What app settings can I change to keep it from doing this?

I am using an HTC Evo 4g with Android 2.3.5 Gingerbread. I'm trying to deal with apps which keep my phone from entering sleep mode, and the YouTube app is a major offender. With downloaded apps, ...
0
votes
1answer
935 views

How to debug “wlan_wake kernel wakelock” on an unrooted device?

The question is as short as the title. I've a Samsung Galaxy Note 3 & it has started showing issues where the CPU remains in lowest possible frequency (250Mhz) and it doesn't go to deep sleep. I ...
1
vote
0answers
1k views

Preventing certain WAKELOCKS (NlpCollectorWakeLock, NlpWakeLock) with shell? (e.g. pm command)

As some of you might aware of, the notorious 'NlpCollectorWakeLock' and 'NlpWakeLock' are often the cause of considerable battery drain. I personally make some custom ROMs, and would like to ...
1
vote
0answers
1k views

Delay on screen wake

When I push my power button to wake my device it takes 1-4 seconds for the screen to turn on and show the lock screenp. I have seen that others have solved the issue by turning off power-saving mode ...
1
vote
0answers
713 views

GTalk_ASYNC_CONN wakelock detailed report. Keeps draining batteries

It's been a month since I've tried dealing with this wakelock. I've read a lot of articles, including this. A week ago I was also dealing with NlpWakelockCollector, which sometimes gets stucked ...
0
votes
0answers
182 views

Keep *all* CPU cores awake?

I own a tf700t running android 4.4.4, but I'm not happy with its performance, as there are many lags. So I thought about locking some of the cpu cores at a high frequency (yes I'm aware of the ...
0
votes
0answers
26 views

My Tablet ignore any Wi-fi/Wake lock

When my tablet goes to sleep mode (by pressing the power button) it always goes into a deep deep sleep, I think that when in this state there isn't any process executing, then on waking up it just ...
0
votes
0answers
106 views

suspend backoff

How to get rid of suspend backoff wakelock. It seems to be consuming maximum battery as per betterbatterystats. and battery drains very quickly. i am on paranoid android 4.4.4 galaxy s2. this problem ...
0
votes
0answers
121 views

Wake Up Delay with CyanogenMod

I'm using a HTC One S with the pacman ROM, based on CM 11. I had this problem also with the TwistedKat ROM. When I flashed the new ROM yesterday, there were no problems (as far as I remember) - so I ...
0
votes
0answers
149 views

My nexus 4 is awake 79% of the time… help?

So it's been some days my phone is keeping awake 79% of time. Below is the WLD screenshot. Screenshot of "Wakelock Detector" (click image for larger variant)
0
votes
0answers
476 views

What is exynos5-fb.1 wakelock?

Samsung Galaxy S4 running stock Android 4.3. This wakelock is mysterious. What is it? It's taking up a big chunk of my Awake time. How do I stop it? Thanks
0
votes
0answers
390 views

Fail to connect to ADB Wifi when device goes to idle state?

I am connecting to my Android phone with ADB WiFi (no USB plugged in). However, whenever my device goes to sleep, I am losing connection and unable to reconnect. In what I am trying to do, I need to ...