Hey guys. Been running aokp by ktoonz for a few months but noticed something off today. A huge percentage of battery used by "Phone". Screen shot is attached. I actually barely used my phone at all today.. Though it was roaming a bit due to holiday travel. I figure that wouldn't cause a huge amount of drain though. 2hr and 9min of cpu use of that process and 4min of keep awake... Pretty low keep awake but high cpu use, right?
Any ideas? Thanks!
Aokp 10/31
Ktoonz kernel
First time with this issue since install on 10/31
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Hi, I was wondering if it's typical for the Evo's battery to take a rather large dip upon unlocking it after not using it for awhile but keeping it on. Around 15% under within the few minutes that I used it after waking it up from maybe about 4 hours or so of not using it and just keeping it locked without any phone calls or other disruptions.
Why does it seem to want to ramp up something like crazy when turning the phone on after not using it for awhile? Or does it actually need to do that to function? Thinking about trying out the conservative governor and jacking up the minimum MHz so the performance isn't horrid.
Using CM7.0.3.1 with SZen, have tried the SZ, smartass, and InteractiveX (current) governors.
Radios and what not are all up to date.
Trying other governors doesn't seem to help this issue at all (if it is an issue).
tried a reflash? I think i had some battery issues the first time i installed CM7. I currently use SZ 2.1 i think with SBC and BFS. My governer profile is set on savagezen and I get pretty good battery life. My phone never has huge battery drops unless I'm using the ever living crap out of it.
Nah, I had a 100% clean flash two times over, I reflashed last time for a different problem which was fixed because i was messing around with settings, not from the system/kernel. I mean I could reflash it again but I've had tons of clean flashes and always have noticed the issue, now that mostly everything else is fixed for me I'm getting around to this issue to see if it even is one.
Same problem drops 5% with in 2 minutes, I've calibrated tried cm7, miui, and stock they all do it...even bought a new battery...
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Mine doesn't necessarily drop a certain % in a certain way/timeframe, just a large dip after not using it for awhile. As if it's taking an enormous amount of resources to try and wake itself back up and stay awake after being asleep for so long.
larry2513 said:
Same problem drops 5% with in 2 minutes, I've calibrated tried cm7, miui, and stock they all do it...even bought a new battery...
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I switched to a SBC kernel and fixed this issue. used to drop from 100 to roughly 85 % in as little as 10 min off the charger
did you re-calibrate you battery stats???
This is w an extended battery and an amount of usage today...its all about finding the right combo.
I reset battery stats every new kernel/ROM I change. Is it useful for any reason to reset after switching governors? I'm going to try Tiamat next probably.
BigRed Productions said:
I switched to a SBC kernel and fixed this issue. used to drop from 100 to roughly 85 % in as little as 10 min off the charger
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I use SZ as well, doesn't help it.
Or rather, there's no immediate drop like i said for me. Just quickly depletes after a long wait.
stkiswr said:
This is w an extended battery and an amount of usage today...its all about finding the right combo.
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What do you use out of curiosity? I'd love for mine to have a steady drop like that instead of a massive dip, 8hrs on a very decent amount of use too. Even with the extended battery that seems like so much. Unless the extended is literally double the life?
I'm currently running gummy nex 0.7.0 and Franco's 14.4 nightly. I have no undervolt settings and currently running a 350min 920max conservative hot plug on setup. I sent a text early today and my phone rebooted pretty quickly. I didn't really think anything of it until I checked my battery an hour or so later. It dropped quite a bit during the reboot. I was wondering if anyone could give me some insight into what happened here? Thanks
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Ive seen this before and likely due to the fuel gauge reads voltage only rather than coulomb counting. Unfortunately we dont have access to the exact calculation used.
Yesterday I flashed Franco's Kernel along with his app. I am running CodenameAndroid 1.6 ROM with Franco's Kernel r135 nightly.
I haven not been getting the exceptional battery life that everyone has been raving about. I understand every phone is different, and there are tons of contributing factors to battery life.
I have my screen brightness very low, location services are off, no LTE running (I'm running on 3G), however I've had wifi on all day today since I am at home. I've undervolted by using Franco's paid app and am running On Demand governor. However, I have generic hotplug turned on because I'm not always on my phone and messing with it. It's 1 o clock, and I took the phone off the charger at 8 this morning. I'm already down to 79% and my on-screen time is only 18 minutes while my idle time is 3 hours and 44 minutes. Other than that, I don't have any apps unning in the background accept for the regular things that should be running.
To the point, am I doing something wrong? It just seems weird to have that much battery drain and have my phone on idle for almost 4 hours and on-screen time to only be 18 minutes. Are my expectations too high for this kernel? I've heard awesome stats as far as battery life goes while using this kernel but I'm not seeing it. Is it because the kernel hasn't fully "baked" into the phone like some people say? I appreciate the feedback.
That doesn't sound right. Do you have BetterBatteryStats installed? That way you can find out what is keeping your phone awake whilst your screen is on.
Also, what are the rest of your kernel settings? Mine:
r135-512
384/1228
interactive (no hotplug works best for me)
I don't uv, but let SmartReflex do it's job for me.
This works best for me with BAMF (atm, but switch beween that rom and Liquid quite often). BAMF gives me best screen on time, but idles less good than Liquid, which gives me less screen on time. On a day of heavy usage, BAMF wins.
What I'm trying to say is, find your zen in rom/ kernel/ radio combo, because you might just use your phone differently then me (and others).
Oh, and I use the Samsung oem 2000mah battery. That helps too. I'm getting ~10h of use with ~4h screen on on a charge.
Hope this get's you on your way mate
My web browsing battery life is horrible. I turned off 4g and I still see my battery drop roughly 1% every minute. That means I don't even get 2 hours of screen on time. The battery drain also seems similar when on 4g so there really isn't a difference. My wifi battery life is a little better. I can maybe get 2.5- 3 hours screen on time. I switched my battery for a qcell 3800mah battery, yet the internet browsing battery life still seems to be the same. Roughly 1% drain every minute. With wifi and the new battery I get roughly 3.5-4 hours screen on time. I have used a number roms from CM10 to Aokp to Jelly Belly, and am currently using codename android and recently switched the kernel to air kernel. My screen brightness is usually 60% and everything like gps, nfc, and auto sync are normally turned off. Is there anything I can do the get better battery life such as using a different radio or is anyone having similar battery issues? Thank You
It is hard to get awesome battery life on the VZW version. I have been dealing with the same. I honestly think my issue is the newness of 4g. I cane from iPhone and inc2 which in my opinion had the best battery life of current phones.
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Same issue with mine I've resorted to using my work issue iphone for browsing and the gnex for everything else
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There's nothing wrong with that battery life/screen on time. There is no other Android phone that's going to perform a great deal better than that on 3G/4G with heavy web browsing. You're expecting more than what exists in the public technology and hardware at this point in time.
Sent from my Stock AOSP Android 4.1.1 Galaxy Nexus
I appreciate the replies and feel a little better that I'm not the only one having problems with browsing over 3g. The weird thing is though, that I'm still getting less than two hours of screen on time of straight browsing with the extended 3800mah battery. Wouldn't the battery be at least at 3-4 hours cause its double the capacity. Also what are the temperatures of your phone after heavy use, because the top screen area of my phone gets extremely hot and the temperature can get to 120 degrees.
http://forum.xda-developers.com/showthread.php?t=505419
Try out SetCPU and if you like it, support it by buying it in Google Play.
I use Franco's nightly 241 with the GPU OC'd at 384 and the CPU underclocked at 1GHz. If I start seeing the phone get jittery, I bump it up as needed and the kernel supports up to 1.8 GHz. If I walk around with it at 1.0 GHz, I can get moderate to heavy use out of it from 7:30 to about 6:00 on the stock battery.
The versions of SetCPU that are up on that post are over a year old. If they don't work (which I haven't tried them on the gnex), just test one of the free ones on the market.
Been using the 2100mAh since I got my Vzw Nexus. Yesterday, I had it on WiFi at home with a solid connection all day with sync off, maps disabled, and GPS/Bluetooth/everything off. I got 2 hours and 53 minutes of screen on time at 30% brightness. With WiFi on entirely and 5 bars of it...I would expect closer to 4 hours of screen on time...and I would see that back during the ICS days. Currently running Rascarlo with Trinity a67.
Think its time for a new battery? This is by far the best ROM and Kernel combo results I've seen on terms of battery life. How long do you guys keep your batteries for?
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I've had my battery for quite a while running CM10 + Franco Kernel. The newest Franco Kernel when it comes to battery life is INSANELY good, I was starting to think the same thing as you but man... Franco Kernel changes my battery life and it barely ever drains.
You could try a different combination of kernels to see if it helps. And there is a method to doing a full charge (google it) something involving fully draining it.
Do you have any wakelocks? use the app, BetterBatteryStats to find out.
Debug your phone before throwing money away towards a new battery.
zephiK said:
I've had my battery for quite a while running CM10 + Franco Kernel. The newest Franco Kernel when it comes to battery life is INSANELY good, I was starting to think the same thing as you but man... Franco Kernel changes my battery life and it barely ever drains.
You could try a different combination of kernels to see if it helps. And there is a method to doing a full charge (google it) something involving fully draining it.
Do you have any wakelocks? use the app, BetterBatteryStats to find out.
Debug your phone before throwing money away towards a new battery.
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I appreciate the response. I use BetterBatteryStats, GSam Battery, CPUSpy, and AutoStarts (for disabling everything related to Maps). I'll try out Franco's new kernel. Thanks for the tip. I've been stuck on Trinity for a while...perhaps it is time for a change. Which ROM are you running if I may ask?
Edit: Which Franco kernel were you referring to? His latest nightly 290 or his latest Milestone 6?
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Batteries last about a year charging once a day. If you run your battery dry a lot, expect to change sooner. My battery rarely goes below 40% and I try not to let it go below 10% when it does. I fully expect a year and I am @ 10 months. If you run it below 20% often I would say you probably need to change it already. YMMV of course.
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Is there any other way we could check to see battery health? I know in better battery stats under 'tests' you can see it says battery health is 'good' but is there any other way?
Possibly max and min voltages? Ie fully charged ~4200mv and fully drained ~3500mv
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You're looking for an app that compares designed capacity (1720mAh? I don't even know how much our phone has..) with actual capacity (which would probably be around 1500mAh after a year). I don't know of one, but if it helps, that's what you're looking for!
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