[KERNEL] SpeedMod SGS2 Jelly Bean [K5-8 CIFS ROOT / NO-ROOT CWM5]

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It_ler

Recognized Contributor
  • Aug 23, 2011
    12,124
    16,930
    Samsung Galaxy S8
    Samsung Galaxy S10
    Performance is actually good...but phone is heating upto 60c....normal??

    Sent from my GT-I9100 using xda app-developers app

    Depends on what you're doing with your phone.
    When idle / doing nothing, 60 degrees Celsius is way to hot.
    While charging and/or playing games/video/etc. the phone will get very warm.
    Can you check in Better Battery Stats (BBS) app what's running?
     

    Shahan_mik3

    Senior Member
    Mar 8, 2013
    4,979
    16,043
    Bangalore
    Depends on what you're doing with your phone.
    When idle / doing nothing, 60 degrees Celsius is way to hot.
    While charging and/or playing games/video/etc. the phone will get very warm.
    Can you check in Better Battery Stats (BBS) app what's running?

    S I was charging+using phone :D
    And there was 8-9% drain from sterday night with wifi nd data off

    Sent from my GT-I9100 using xda app-developers app

    ---------- Post added at 07:22 AM ---------- Previous post was at 07:19 AM ----------

    Yes, others have 90c when oc. Usually at 1.2 you will get 75c with stock kernel

    Sent from my GT-I9100 using Tapatalk 2

    R u serious my device neva crossed 68 wid any kernel under heavy use...and I have tried many kernel :p

    Sent from my GT-I9100 using xda app-developers app

    ---------- Post added at 07:38 AM ---------- Previous post was at 07:22 AM ----------

    1 more que
    Speedmod and hirox r both same???
    I wanted to use one of these for miui v5 which 1 would you guyz suggest??

    Sent from my GT-I9100 using xda app-developers app
     

    It_ler

    Recognized Contributor
  • Aug 23, 2011
    12,124
    16,930
    Samsung Galaxy S8
    Samsung Galaxy S10
    1 more que
    Speedmod and hirox r both same???
    I wanted to use one of these for miui v5 which 1 would you guyz suggest??

    Sent from my GT-I9100 using xda app-developers app

    No, HiroX is based on SpeedMod kernel, but with undervolting (UV).
    So if HiroX does not run stable on your phone (like on mine), you should try SpeedMod, as it contains stock voltages for buses, CPU and GPU.
     
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    ProNewb

    Senior Member
    Sep 1, 2011
    324
    18
    No, HiroX is based on SpeedMod kernel, but with undervolting (UV).
    So if HiroX does not run stable on your phone (like on mine), you should try SpeedMod, as it contains stock voltages for buses, CPU and GPU.

    I just flashed this kernel on chameleon rom. its a sammy rom with aokp features. having few major issues like files not being accepted thru bluethooth and I cant delete files thru es file explorer. whats going on?

    EDIT

    fiwing permissions, not helped. I deleted one file, but everything else not beingdeleted.

    edit2 it seems the problem is with apps like Disk usage, which shows blocks of your files/folders, which folder takes most space will have a bigger block.

    also problem in es explorer's sd card analyst.
     
    Last edited:

    Shahan_mik3

    Senior Member
    Mar 8, 2013
    4,979
    16,043
    Bangalore
    This kernel is good but it is screwing up my recovery
    After I flash this I can't change to any other kernel or ROM ...I get build prop error when trying to do so :l

    press THANKS if u think i was helpful rather than in post :) CHEERS
     

    It_ler

    Recognized Contributor
  • Aug 23, 2011
    12,124
    16,930
    Samsung Galaxy S8
    Samsung Galaxy S10
    This kernel is good but it is screwing up my recovery
    After I flash this I can't change to any other kernel or ROM ...I get build prop error when trying to do so :l

    press THANKS if u think i was helpful rather than in post :) CHEERS

    It's because of an issue with getprop method in the CWM recovery used by this kernel.
    You can remove the lines for checking the phone model from updater script, or just flash another kernel (such as PhilZ) with another CWM recovery version first.
    Good luck !

    Sent from my SGS2 (GT-I9100) via xda-app
     

    HellRazorGod

    Senior Member
    Mar 15, 2010
    233
    25
    Come on hardcore. Implement the S4 wifi patch and see the battery life double. Should be a piece of cake for you.

    Sent from my GT-I9100 using xda app-developers app
     
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    ecopy

    Senior Member
    May 12, 2012
    77
    39
    Again and again I revert to SpeedMod kernel. It's great. Thanks hardcore! It's highly tuned, stable, solid.
    I wouldn't change it to anyting else at all if not that couple of things, you know. First is recovery. I've noticed that when I upgrade ROM, using this recovery, I got bootloops, wipes and what else.. Please, implement some new recovery. Another wish is just BLN. Thanks.
     

    slashbeast

    Senior Member
    Sep 2, 2009
    82
    5
    Hey,

    I am new to S2 world, after I install this very kernel, my Cm10.1 does no longer boot, after the Galaxy S2 logo screen goes black and thats all, booting into recovery and reinstalling cm10.1 does fix it. I tried to wipe cache and dalvik-cache and still not work. Any idea?
     

    Karpfenhai

    Senior Member
    Nov 25, 2011
    3,768
    2,775
    Leipzig
    Hey,

    I am new to S2 world, after I install this very kernel, my Cm10.1 does no longer boot, after the Galaxy S2 logo screen goes black and thats all, booting into recovery and reinstalling cm10.1 does fix it. I tried to wipe cache and dalvik-cache and still not work. Any idea?

    epic fail, read the op...

    Tapatalked from my Galaxy SII
     

    slashbeast

    Senior Member
    Sep 2, 2009
    82
    5
    If that's epic fail to you you must be new in the interwebz.

    Anyway, as per the additional link in op, there's info that it's only for Sammy's roms, okey. Told you I am new in s2 world, in desireZ I could swap whatever kernel I wanted and it newer was an issue which rom I run.
     

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    • 260
      Hi guys,

      This is the SpeedMod kernel for Android Jelly Bean for the Samsung Galaxy S2 GT-I9100.

      This kernel only works with Samsung JB based ROMs.

      SpeedMod's core features are:
      - Super stable: No undervolting, overclocking or potentially unstable modifications
      - Fast and smooth: Compiler and code optimizations
      - Excellent battery life: Remove unecessary logging and debugging

      >>> CLICK HERE for more info and the DOWNLOAD links.

      >>> CLICK HERE for the Frequently Asked Questions list.

      Current features:

      Root and CWM:
      - Automatically installs root (su) but can be disabled
      - CWM recovery 5.x

      Screen and misc tweaks:
      - init.d, TUN, CIFS, IPV6 Privacy support
      - MMC_CAP_ERASE disabled to fix the hard-brick bug (this kernel is "safe")

      Performance:
      - CPU governor tweaks: increase responsiveness
      - IO tweaks
      - Read ahead tweaks
      - Compiled with optimizations using Codesourcery GCC toolchain
      - Multi-core aware scheduler SCHED_MC

      Turned off unnecessary logging for better smoothness and efficiency:
      - Disabled Android Debug Logger / logcat
      - Disabled Samsung debug
      - Disabled various kernel debugging, statistics and tracing options

      >>> CLICK HERE for the CHANGELOG.

      Instructions on how to enable logcat and disable auto-root are in the 3rd post (below).

      >>> CLICK HERE for more info and the DOWNLOAD links.
      43
      K5-8:
      - Rebuilt using GCC 4.6 toolchain from Android NDK r8

      I think the kernel behaves a bit better built using GCC 4.6, compared to GCC 4.7 with LTO.
      41
      K5-5:
      - Rebuilt using GCC 4.7 toolchain from Android NDK r8e
      - Enabled GCC 4.7 LTO (Link Time Optimization)
      34
      K5-6:
      - Security patch: fix stack memory content leak via UNAME26 from S3 Update9 source code
      34
      K5-7:
      - Disabled debugging: ANDROID RAM CONSOLE
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