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[Verizon] What's your pick for best kernel for battery life

Discussion in 'Android Devices' started by darkcyber, Jan 3, 2012.

  1. darkcyber

    darkcyber Android Expert
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    If you had to pick just one kernel (kernel only...no roms) that had the best battery life what would it be?
     

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  2. rexdog1888

    rexdog1888 Android Enthusiast
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    I'm having good battery life with imoseans(sp ch) lean kernel
     
  3. trophynuts

    trophynuts Android Expert
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    I work in a Tech related field. Have been in a tec
    SouthEastern US
    i've heard good things about Imo's lean kernal. I'm using Lou's right now. I'll know tomorrow how good it is. Tomorrow will be my first normal day of usage since i flashed it. So far it seems to be a little better than stock.
     
  4. TheRoosevelt

    TheRoosevelt Android Expert
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    When using Imo's kernel and undervolting, I lose maybe 5% max overnight on standby. Today I dropped from 100% to ~30% after 13 hours on battery (3G only w/ Wifi on the whole time)
     
  5. SolidOrange

    SolidOrange Android Expert
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    lean kernel was by far the best for battery life on my thunderbolt. i am enjoying apex right now, but i also carry a spare battery, so that is not my biggest concern.
     
  6. darkcyber

    darkcyber Android Expert
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    Is undervolting/overclocking built into this kernel? Or is it like some of the rest that use SetCPU?

    Doesn't look like my favorite overclocking app QuickClock Advance supports the Nexus yet.
     
  7. Yeahha

    Yeahha Usually off topic
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    I think all kernels currently have UV built in. Most can OC some but I'm it isn't needed
     
  8. darkcyber

    darkcyber Android Expert
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    Yeah, I agree about really no need to OC. My main concern is UVing to try and get better battery life.
     
  9. jbdan

    jbdan Android Expert
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    Lets see, after what I call extensively testing stock, Apex (faux), franco, Lou, & imoseyon, the battery crown with my conservative UV's goes to Imo's lean kernel. Franco is about equal, but I end up with lockscreen lag after 2-3 days usage or until I clear dalvik again. Franco 9 is now available so haven't tested it yet.

    I haven't tried matrix, savaged zen, kang-bang. or JD's yet. Lous kernel does not have UV'ing built in.
     
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  10. jbdan

    jbdan Android Expert
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    What ROM are you on? I suggest trying imoseyons 1.2.1 and use setcpu to set the governor to interactiveX. No UV'ing just try it for 2 days and see what you think.
     
  11. darkcyber

    darkcyber Android Expert
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    I am on plain jane stock...unlocked and rooted and that's it so far. Stock runs so smooth with no lag, hang ups, or reboots that I haven't really wanted to try anything yet. But the battery life is what I don't like and wanted to try to improve that. I have the extended battery and if I baby it really good I'm Ok through the day. So, that is my main goal, improving battery life right now.
     
  12. binary visions

    binary visions Android Expert
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    I'm getting hilariously improved battery life using Lean.

    I've been using my phone sporadically since 7am, on 4g the whole time, and I'm down to 85%, which suggests 40+ hours of battery life.
     
  13. jbdan

    jbdan Android Expert
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    So give a new kernel a try then. Make a backup before you flash it. You'll never know until you try it. It's simple to just restore your backup if you find you don't like the new kernel. You'll get much better feedback yourself, than from us telling what you should try :D
     
  14. jackburnt

    jackburnt Android Enthusiast
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    If he's on stock, then he's on 4.0.2 so he can't use imo's kernel.
     
  15. darkcyber

    darkcyber Android Expert
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    So, flashing a 4.0.3 kernel will not update me? Where is the 4.0.3 update then?

    I don't see a link to Imo's lean kernel in our rom/theme/kernel section in teh VZW root area
     
  16. jbdan

    jbdan Android Expert
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    If you'd like to stay on 4.0.2 you'll have to flash either Lous or Adryns (not even sure adryn is still available) 4.0.2 kernel. If you flash a new 4.0.3 ROM than you can flash any 4.0.3 kernel on top of it.

    Both threads are in the VZ root section. Imoseyon's is called Lean Kernel and Lous is HeyItsLou toro v2
     
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  17. ska.t73

    ska.t73 Android Expert
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    And yet another OG Droider shows up!! Nice to see you around here Jack. :)
     
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  18. mistermojorizi

    mistermojorizi Android Enthusiast
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    when installing a new kernel, do you just clear the dalvik cache?

    also, the instructions for lean kernel say to clear setcpu data. I haven't used setcpu, just the performance setting that came with gummy. Do I need clear any of that data?

    as always, thanks a lot :)
     
  19. ska.t73

    ska.t73 Android Expert
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    Yep, when installing a kernel you just wipe dalvik, no need to wipe anything else (in fact wiping anything else would be bad :) )...

    If you haven't used setcpu then you shouldn't have to worry about clearing that data.
     
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  20. WormDoes

    WormDoes Android Expert
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    I wipe cache and dalvik every time I flash a new kernel and have never had anything bad happen ;)
     
  21. jackburnt

    jackburnt Android Enthusiast
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    Heh, thanks.

    I love my OG Droid, but it's getting old. Time to move on to greener pastures, and ICS/GN is very green.
     
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  22. ska.t73

    ska.t73 Android Expert
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    :p

    Yes cache is fine too...
     
  23. darkcyber

    darkcyber Android Expert
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    So, if I flash the Leankernel: Minimalistic Kernel (1.1.0, 12/25/11) (which says it is 4.0.3) then that will upgrade me from the current 4.0.2 that I am on to 4.0.3?
     
  24. binary visions

    binary visions Android Expert
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    No, you have to flash a 4.0.3 ROM in addition to the kernel.
     
  25. darkcyber

    darkcyber Android Expert
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    Ok, so then right now there is no way to get to just stock rom and custom kernel then?
     
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