Develop Bugs

rom kernal

i know this may have been posted and i know every phone is different but whats everyones opinion on best rom/kernal for good battery like on epic 4g...my wife is so frustrated with the battery
thanks xda
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tammyjustin said:
i know this may have been posted and i know every phone is different but whats everyones opinion on best rom/kernal for good battery like on epic 4g...my wife is so frustrated with the battery
thanks xda
Sent from my PC36100 using XDA App
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I have tried many of the leaked gingerbreads just to find that this or that doesn't work. The best that I have found for battery life and everything works is this rom.
http://forum.xda-developers.com/showthread.php?t=1146630
This is the most complete rom I have tested. Good luck

well im new to the epic...im on an evo so sorry shes currently on twilight etc....is this ext4 compatible and what not ive tead you cant just flash any rom
thanks
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tammyjustin said:
well im new to the epic...im on an evo so sorry shes currently on twilight etc....is this ext4 compatible and what not ive tead you cant just flash any rom
thanks
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All the info you need "should" be in the OP for the ROM. For instance SRF 1.2 requires you to also flash a kernel of your choice. Most ROMs are EXT4 these days but there are a few RFS ROMs out there. And almost all include a kernel. So if you want to try someone's recommended ROM for battery life, just remember to run several backups first, a nand and something like Titanium Backup.

thanks ..im just bein a litttle more cautious cause its not my phone and i dony want to get yelled at if i mess it up
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tammyjustin said:
thanks ..im just bein a litttle more cautious cause its not my phone and i dony want to get yelled at if i mess it up
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Been there done that with my GFs phone. That is why I suggest backing up every freakin way you can...LOL.

kennyglass123 said:
Been there done that with my GFs phone. That is why I suggest backing up every freakin way you can...LOL.
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Lol I do a triple threat, titanium mybackup and nandroid haha
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xopher.hunter said:
Lol I do a triple threat, titanium mybackup and nandroid haha
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Way to cover your bases!

so i flashed simply ASOP 4.1 ....how do i l know im on it cause all her settings are the same...apps, everything..... nothing changed...like i said im on evo so this is different...i can always tell when i flash something new on my phone.....and if i did it right whats a good kernal? battery etc......
thanks as always
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tammyjustin said:
so i flashed simply ASOP 4.1 ....how do i l know im on it cause all her settings are the same...apps, everything..... nothing changed...like i said im on evo so this is different...i can always tell when i flash something new on my phone.....and if i did it right whats a good kernal? battery etc......
thanks as always
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I liked simply aosp, it was a good ROM. I ran the revolted kernel with it and got good battery life and performance. if u did triple wipes in cwm like u were supposed to, then it would be like starting a new ROM with nothing on it. Are u sure u flashed it right?
Edit: flashing roms on the epic is very similar to flashing them on the evo, minus the cool amon-ra recovery
Re edit: kern*E*l (not kern*A*l)
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i did a dalvic wipe then just flashed...i did get a different boot animation...and it does say the frankenstein version under the phone settings but like i said all her apps and settings still there.... thanks
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tammyjustin said:
i did a dalvic wipe then just flashed...i did get a different boot animation...and it does say the frankenstein version under the phone settings but like i said all her apps and settings still there.... thanks
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When modding someone else's phone that it the kind of ROM you want. The one that makes some new graphics and keeps everything else the same. What launcher is on her phone? If it is still Touchwiz, get her to start using another launcher since a lot of ROMs remove twlauncher as bloat. I got ADW for my GF and I use Zeam. It will save you a homescreen nightmare.

tammyjustin said:
i did a dalvic wipe then just flashed...i did get a different boot animation...and it does say the frankenstein version under the phone settings but like i said all her apps and settings still there.... thanks
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well, as long as it works, then you're good to go. i always found that flashing without wiping data or restoring data from a previous flash has a tendency to cause issues with the rom later on. if u do have any problems, u may have to go back into cwm and wipe data as well as the cache and dalvik (3x/ea) then reflash your rom. but again, if it ain't broke... also, kenny said something about the touchwiz launcher... that launcher is included in the simply aosp rom under the "simply settings" app, as are the gingerbread launcher and the froyo launcher. i like touchwiz ok, i prefer the gingerbread launcher over that tho.

Epic battery drain on T99VVLH2

I have the latest update from videotron and since then the standby time is just horrible and its driving me nuts !!! I have the t99vvllh2 update and im kinda pissed :/
Anything that can be done !?
Thanks.
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Bump
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Pics added here
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How about screenshots without the volume indicator? You can also try GSam Battery Monitor from the Play Store, to get a little more information on what is eating the battery.

Aerowinder said:
How about screenshots without the volume indicator? You can also try GSam Battery Monitor from the Play Store, to get a little more information on what is eating the battery.
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Ahh sorry about that cant seem to get it right ! All i see in betterbatterystats is wakelocks over and over check this out...
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Did you install any app after or before update? Main reason for all drain is from app.
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What's your screen on time.

Looked kinda like liteflow might be causing problems?
Cell Standby i think is the one that is coded wrong and is lying, ignore that one.
If you press Android System in settings, battery it will show you the top components being used
Also in dev options look for and check Show CPU Usage. It will show whats using the cpu in the top right of your screen. Watch for what stays in the top few spots in the list.
There may have been something that didnt like the update. Try first uninstalling apps and if that helps reinstall them clean, no data restore. If you continue to have problems backup all data and factory reset. Start clean.
If all else fails use odin to flash the full LH2 fw.
LH2 should be a fairly stable build. Most have no issues and many get outstanding battery life. Im willing to bet its either an app or the way you updated or both.
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The only app i installed was liteflow which i deleted and screen on time is 3h30 mins max ...
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DocHoliday77 said:
Looked kinda like liteflow might be causing problems?
Cell Standby i think is the one that is coded wrong and is lying, ignore that one.
If you press Android System in settings, battery it will show you the top components being used
Also in dev options look for and check Show CPU Usage. It will show whats using the cpu in the top right of your screen. Watch for what stays in the top few spots in the list.
There may have been something that didnt like the update. Try first uninstalling apps and if that helps reinstall them clean, no data restore. If you continue to have problems backup all data and factory reset. Start clean.
If all else fails use odin to flash the full LH2 fw.
LH2 should be a fairly stable build. Most have no issues and many get outstanding battery life. Im willing to bet its either an app or the way you updated or both.
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Yesterday before i delete liteflow the android system was always ontop of the list but now it is at the very end i hope that it was simply that because i have way too many apps to delete and re install :/ but ill see how it goes today i got root and cwm so ill probably odin the lh2 as you suggested ..
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shahkam said:
The only app i installed was liteflow which i deleted and screen on time is 3h30 mins max ...
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That's really not THAT bad for a screen on time. I saw your screenshots in the OP, and you were down to 80% in only two hours of being on the battery, but you had the screen on for almost an hour of those two hours; 20%/hr for the first few hours is pretty normal. It's not stellar, but I wouldn't say it's an epic drain that being said, I'm sure you could squeeze some more juice out of it, and prob is just an app causing more drain than usual.
Also when doing a screenshot, it helps to hit the power button first, then the volume, so you don't get the volume pop up every time.
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liteflow causes battery drain. I had to uninstall mine as well.

Aria807 said:
liteflow causes battery drain. I had to uninstall mine as well.
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I confirm and googletalk also deleted both getting decent standby time..
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sleevasteve said:
That's really not THAT bad for a screen on time. I saw your screenshots in the OP, and you were down to 80% in only two hours of being on the battery, but you had the screen on for almost an hour of those two hours; 20%/hr for the first few hours is pretty normal. It's not stellar, but I wouldn't say it's an epic drain that being said, I'm sure you could squeeze some more juice out of it, and prob is just an app causing more drain than usual.
Also when doing a screenshot, it helps to hit the power button first, then the volume, so you don't get the volume pop up every time.
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Yeah it wasnt epic epic but just more then the usual i uninstalled google talk and liteflow now im gaining deep sleep ! I couldnt do that before will post results end of the day
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3:30 screen on time it's good no matter how you use your phone. I got 2.45 hours on screen with 1day and 6 hours. I've had issues with liteflow and battery as well. Others say they don't, it seems to depend on how you set the phone and liteflow to work.
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mt3g said:
3:30 screen on time it's good no matter how you use your phone. I got 2.45 hours on screen with 1day and 6 hours. I've had issues with liteflow and battery as well. Others say they don't, it seems to depend on how you set the phone and liteflow to work.
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Yeah i had setup a whole lot of stuff so idk if that may be it but it was 100% sure that liteflow was the issue anyways could anyone help me get cwm to stick whit my t999v from videotron ? I dont want to start another thread and clutter up..
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Why is my battery showing this?

My phone was working fine, but now this is my battery usage. I have restarted twice and it still shows like this.
Plus my CPU has been running for 248 days or something.
(Guess my pics didn't upload)
The battery is showing android os as 100% off my battery usage.
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Now I got it to work.
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Astom22 said:
Now I got it to work.
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Why dnt u clibrate ur battery, fully recharge ur battery, dnt unplug ur device or turn off the power, then reboot ur device, and go to recovery, and delete ur battery stats!
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stanlin salu said:
Why dnt u clibrate ur battery, fully recharge ur battery, dnt unplug ur device or turn off the power, then reboot ur device, and go to recovery, and delete ur battery stats!
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Alright, I'm a noob, I was with you up to reboot your device. "Go to recover and delete battery stats" was where you lost me. Maybe some more detail or a hint on where I can look to learn about it would be super helpful. Thanks.
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Are you rooted at all? Installed any custom recovery? i.e. CWM or TWRP. You need to have installed a custom recovery to delete battery stats.
As for the android OS usage, that's very weird. Try searching it up on google and see if any results pop up. You could delete battery stats but not sure if that'll help. If you'd like to know how though, let me know.

If u r rooted and dnt have a recovery, download a app called 'sdmaid' frm store, and u wil get an option of delete bat stats!
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Not rooted, yet, but plan to add I learn more. Well full charge tonight and see if it clears. If not, will search for similar issues as you suggested. Thanks.
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Astom22 said:
My phone was working fine, but now this is my battery usage. I have restarted twice and it still shows like this.
Plus my CPU has been running for 248 days or something.
(Guess my pics didn't upload)
The battery is showing android os as 100% off my battery usage.
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I had that happen to me when I first bought the phone. Was terrified I would have to return it. Just charge it to 100% and reset it. No reason to put it in recovery or anything. That fixed it for me.

Lefaid said:
I had that happen to me when I first bought the phone. Was terrified I would have to return it. Just charge it to 100% and reset it. No reason to put it in recovery or anything. That fixed it for me.
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Thanks, you are correct sir, magically back to normal this morning.
Thanks for all the input guys, really appreciating all the help I'm getting here as I'm learning my new phone.
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Android System using a ton of battery

Ever since I got the Jelly Bean update, Androud System has been using almost as much power as the screen? Anyone else having his problem? Any idea how to fix?
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Vanillamarble said:
Ever since I got the Jelly Bean update, Androud System has been using almost as much power as the screen? Anyone else having his problem? Any idea how to fix?
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My phone sucks more juice overall, but since I previously had great battery life , its not that bad.
Never the less, this update is getting more pathetic every day.

Vanillamarble said:
Ever since I got the Jelly Bean update, Androud System has been using almost as much power as the screen? Anyone else having his problem? Any idea how to fix?
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JB has been known to use more battery than ICS(At least with the port releases) I've seen upwards of 65%

If you're rooted use betterbatterystats and see exactly what is draining it. A known source of major drain (for me 10% an hour) was an unknown service in /system/bin called gsiff_daemon. It has something to do with gps, but that's besides the point. On every rom I flash, I go in and rename it to gsiff_daemon.bak this will make it so it won't run. I have done this the entire time I've had a gs3 and never once have run into an issue from disabling this service, but I have saved my battery by doing it
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Terrafirma91 said:
If you're rooted use betterbatterystats and see exactly what is draining it. A known source of major drain (for me 10% an hour) was an unknown service in /system/bin called gsiff_daemon. It has something to do with gps, but that's besides the point. On every rom I flash, I go in and rename it to gsiff_daemon.bak this will make it so it won't run. I have done this the entire time I've had a gs3 and never once have run into an issue from disabling this service, but I have saved my battery by doing it
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So this doesn't mess up your GPS or maps changing that file?
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I have deleted those two files in question months ago and have no issue with GPS I always get fast locks and lots of sats. I average around 1 day 5 hours on a full charge using Koontz kernel with SIO and Ktoonservative governor with some custom settings. Normally 4 hours of screen on time.
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Android system uses more battery than anything else. The core background processes running there must be incredibly draining.

accrews2001 said:
So this doesn't mess up your GPS or maps changing that file?
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Nope. As the guy below you said even if you delete it you should be okay. I just rename is just in case I need it later I can remove the .bak and the file is still there.
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Let me know how it works out for you when you delete that file.

I renamed it. No sense in deleting it. Hopefully it helps! Thanks!
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Renamed gsiff_daemon
Renamed the file, will see if it makes a difference in my battery usage in the next few days.

In my attempt to figure out wtf that file did, I noticed that it didn't trigger every day. So give it a few days. I wish I knew what it did exactly...
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When i updated to jellybean and rooted, i wiped a ton and i mean a ton of bloat and crap from my phone. My battery life is killer right now. Can't complain at all.
Sent from my SGH-I747M

Three words Folks... ULTIMATE JUICE DEFENDER! :laugh:

Mr Patchy Patch said:
When i updated to jellybean and rooted, i wiped a ton and i mean a ton of bloat and crap from my phone. My battery life is killer right now. Can't complain at all.
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Could you provide what new bloat was added that you removed (or point to a thread you used as advice)? I'm not a fan of deleting stuff like that, just in case, but I'd love to disable anything that's useless to me.
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Phone is SUPER SLOW

My wife's phone just got super slow like 2 days ago...it just takes a long time for apps to load...to download ANYTHING...and I mean slow...I cleaned her phone...I used sd maid pro...and went through her internal storage and she now has 8 out of 12 gigs free...so what could be causing this...?...I tried switching Roms and it still acts the same...any help would be great...Thanks in advance...
P.s...she does download ALOT themes...wallpaper...and music...BUT like I said I cleaned her phone moved a lot to her sd card...
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Download an app called Elixir 2. Open it up and touch on "running" and keep on tapping on the right arrow until it says "top" in the middle. You'll then see which app(s) are taking up the most CPU. If its com.sec.providers.downloads, that's the same reason I stopped using Touchwiz roms and switched over to CM. That problem crops up for me randomly and I've tried many different methods to fix it to no permanent avail.

She not on touchwiz...she's on cm10
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Still try the method though. Could be a rogue app that needs to be manually closed. I discovered that the current version of the engadget app gives me that problem, sometimes facebook too.

Is it possible it was accidentally put on powersave Governor? Also clear the dalvik and cache from recovery. If that don't work your best off just wiping. Sheer could either have too many apps or rogue app using up to much of the cpu
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phordych05 said:
My wife's phone just got super slow like 2 days ago...it just takes a long time for apps to load...to download ANYTHING...and I mean slow...I cleaned her phone...I used sd maid pro...and went through her internal storage and she now has 8 out of 12 gigs free...so what could be causing this...?...I tried switching Roms and it still acts the same...any help would be great...Thanks in advance...
P.s...she does download ALOT themes...wallpaper...and music...BUT like I said I cleaned her phone moved a lot to her sd card...
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Have you tried odining back to stock, performing a factory reset, then reflashing CM10?

mattedwards2686 said:
Have you tried odining back to stock, performing a factory reset, then reflashing CM10?
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This is what I would do my friend.
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O.k...and she told me she went into the file explorer and under android she went onto cache and deleted all of
The files... Would that make it slow...they were only cache files... But under android-data-cache...????
krackerjac said:
This is what I would do my friend.
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keji13 said:
Is it possible it was accidentally put on powersave Governor? Also clear the dalvik and cache from recovery. If that don't work your best off just wiping. Sheer could either have too many apps or rogue app using up to much of the cpu
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What is power governor... Is it with cpu or an app similar?
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Settings>power saving mode. Make sure it is turned off.
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k8108 said:
Settings>power saving mode. Make sure it is turned off.
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This.
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It is off and how could that make it open apps and do EVERYTHING SUPER SLOW...
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phordych05 said:
It is off and how could that make it open apps and do EVERYTHING SUPER SLOW...
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Power saver cuts down the CPU speed and does other things that I don't remember. With my s3, it would take hours after turning on power save for me to see the phone get slow
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Theres more roms my friend!! the closest one(s) that are similar to cm10 are PAC-MAN PA-KA-DR they are similar.. it has cm10 parts as well as the other roms youll find on the original dev section and if you ever decide to pay attention to what im telling you... download an app called FAST REBOOT its really simple(not rocket science) and it frees up ram memory that apps are using on background.. its not a task killer....
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