Help with deep sleep

anon(848791)

Well-known member
Jul 9, 2012
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For some reason my phone stays awake a bit overnight. I have all sync stuff shut off, all radios are also shut off. This is on rooted mb1. Can anyone suggest what to do to get the phone to stay awake less?
Thank you.
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I think that, unless you can gather stats for only the period when you think the phone should not awake, all those screen shots will tell us nothing. You say you have all radios off, but the stats include times when WiFi is on, BT is one, etc. There's no way to distinguish what was running when you were using the phone from what was running when you weren't.

But, as sort of a general answer: It's not a phone; it's a computer that can also make and receive phone calls. Just like a desktop or notebook computer, if it's on, the operating system is running, checking to see if any programs are requesting support. Just as the only way to completely stop your Windows or Mac computer from doing things is to turn it completely off, the same is true of a modern smartphone. One possible example: PowerManagementService: if the phone is on, this is apparently running.

Various programs may also be periodically "waking up" to check for status. For example, the calendar program may periodically wake to check for events. I bet the battery monitoring software you're using runs in the background, periodically waking the device. You say you have all "sync stuff" shut off, but is that really true? Do you have any of the Google location services active? If so, they will attempt to check where you are periodically, and even if they can't get an answer because the radios are off, they'll still try. Does turning off the radios include the cellular radio (Airplane mode), or can you still receive calls? If the cellular radio is on, it checks in with the nearest tower periodically, which may cause a wake state.

Finally, not what you asked for, but crimony, what do you want out of your battery? You've gotten 18 hours and have used only 30% of the battery, with a very brief charge in the middle. How much more do you need? Unless you're living in a tent in the wilderness, just plug the durn thing in each night, leave the radios and sync turned on so the device can work as it was designed. And if you are living in a tent, just buy a few spare batteries at less than $10 each. Why buy a $600 smartphone and turn it into a dumb phone at night?

But if, for some reason I can't understand, it's critical that you get 60 hours out of your battery, instead of only 54, then you'll need to reset the battery stats when you turn off everything at night, and do screenshots the instant you get up, before you turn on anything. Then the stats might provide some useful information.
 
good point, ill set it up so that i can check the status of the battery after the night.
yes i did get a good 18 hours with 30%, but it can still be better.
 
good point, ill set it up so that i can check the status of the battery after the night.
yes i did get a good 18 hours with 30%, but it can still be better.

I doubt you'll get much better. Most people here would kill for that kind of battery life. Actually, most people here wouldn't be willing to turn their phone into the equivalent of Motorola Flip phone just to get extreme battery life.

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Why don't you just plug it in at night and be done with it?
 
[Android police voice via megaphone]

Sir - Please turn off the phone and slowly step away from the charger.
 
With all due respect, you've got to be kidding me. I agree with the other posts that you are getting EXTREMELY good battery life. I go about 14 to 15 hours on a charge. Now, granted, I plug my phone in at 30% roughly, but I leave it on the charger all night. A Rep at Samsung even said so long as I was using Samsung chargers and cords that an all night charge is fine.

On the other hand, you use 38%, and go the same length of time that I do, when I use 70%+. And I am a light user of my phone.

My overall point is you should really not be complaining.....
 
With all due respect, you've got to be kidding me. I agree with the other posts that you are getting EXTREMELY good battery life. I go about 14 to 15 hours on a charge. Now, granted, I plug my phone in at 30% roughly, but I leave it on the charger all night. A Rep at Samsung even said so long as I was using Samsung chargers and cords that an all night charge is fine.

On the other hand, you use 38%, and go the same length of time that I do, when I use 70%+. And I am a light user of my phone.

My overall point is you should really not be complaining.....

I'm not using the battery that came with the phone. I have the extended 3000mah Samsung battery.
 
You still have nothing to complain about. That battery has about 1/3 more capacity than the stock one, and you're getting 3 or 4 times what most people get out of a battery.

I'll ask again: why is it important to go 2 or three days on one charge?
 
You still have nothing to complain about. That battery has about 1/3 more capacity than the stock one, and you're getting 3 or 4 times what most people get out of a battery.

I'll ask again: why is it important to go 2 or three days on one charge?

p0rn maybe? Some people just gotta have it and plugging it in stymies their mobility so no one can see :)
 

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