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Note 3 on Android 4.3 won't enter deep sleep!

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By koszor, Senior Member on 31st May 2014, 06:14 PM
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Odd bug I found on my note 3 is that the phone will sit at 300 Mhz with the screen off all day without entering deep sleep
It will only do this on WiFi though as soon as I turn it off Deep Sleep will function as it should.


I have the NB4 firmware and Bootloader, Android 4.3.

I am rooted and I have Xposed Firmware installed, anyone else have this issue?
 
 
1st June 2014, 05:26 AM |#2  
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Install wakelock detector.
https://play.google.com/store/apps/d...kelockdetector

It will tell you what's waking your device. But I'm going to guess you have location services on.
11th March 2015, 02:53 PM |#3  
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I have the exact same problem. It's a month now and I didn't change my wifi router or anything.
There are no apps directly causing this. I will inspect kernel wakelocks and report back. But I bet that some app is doind something that causes "android system" to wakelock the cpu. I have many apps so it will be very hard since none of them have any battery drain out of the normal usage.
12th March 2015, 09:05 PM |#4  
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Quote:
Originally Posted by Zibri

I have the exact same problem. It's a month now and I didn't change my wifi router or anything.
There are no apps directly causing this. I will inspect kernel wakelocks and report back. But I bet that some app is doind something that causes "android system" to wakelock the cpu. I have many apps so it will be very hard since none of them have any battery drain out of the normal usage.

Turn off "Always allow scanning" in wifi. (Menu/Advanced.) Scanning wakes the phone, and the normal scan interval is 5 minutes. (It'll still be scanning when you're in the page showing the available connections. You are in there to look for a connection, right? No one would ever be in there for any other reason. (No, Bill Gates didn't say that no one will ever need more than 640K of memory.) IOW, it's going to scan whether you need it to or not if you're on that page, but it stops as soon as you close the page. (Even though there's a Scan Now button. Come on, Google - next time, try thinking. Just a little.)
Last edited by Rukbat; 12th March 2015 at 09:08 PM.
13th March 2015, 01:33 AM |#5  
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Lightbulb
Hmm nope.. I think something else was corrupted somewhere.

I tried this:
Code:
adb shell pm clear com.android.providers.settings
adb reboot
After setting the main settings again, the phone is now much faster and as of now the problem didn't show up.
I'll keep you posted if it happens again. If not, this could help many many people.
14th March 2015, 07:35 PM |#6  
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Confirmed: the problem was totally solved.
I suggest anyone with the same problem to give this a try and do not restore the main settings from a backup.. but just set again the home and lockscreen or any of the main settings you need.
I think something gets messed up with intensive use or tests. This apparently cleans it.
18th March 2015, 03:16 PM |#7  
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Battery Full
14th April 2015, 12:46 AM |#8  
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A friend of mine had his Note3 very slow and draining battery very quickly after the last OTA update. With my "method" his note3 is now back to normal.
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