[GearCM][i9500][4.4.x] Optimized CyanogenMod 11 for Samsung Galaxy S4 [EOL 20151003]

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Senior Member
Jan 3, 2011
- long time for shutdown/reset
- lag on lantern
- sometimes when I restart the phone, I have no sound.

Can confirm above and there's a consistent lag launching apps. Dirty flashed new build right over previous one stock everything.
Regarding sound going missing are you using Chinese radio by any chance?


Nov 26, 2014
Another problem... Chrome not working... App crashed
I have ARO modem.
I format system data cache dalvik etc and install this rom and have this problems
Last edited:


Senior Member
Feb 16, 2012
Just reporting, tried the latest build and found that Chrome force closes every single time, apps take some time to start and had some freezes from time to time.

Didn't have chance to take logs because I needed my phone today and had to return to the 2014-11-22 build.

Thanks for keeping the good work.

Sent from my GT-I9500 using XDA Premium HD app


Senior Member
Apr 29, 2011
Just reporting, tried the latest build and found that Chrome force closes every single time, apps take some time to start and had some freezes from time to time.

Didn't have chance to take logs because I needed my phone today and had to return to the 2014-11-22 build.

Thanks for keeping the good work.

Sent from my GT-I9500 using XDA Premium HD app

Same problem here, had to revert to 11-22.


Recognized Developer
Feb 24, 2010
Modugno (BA)
Last edited:


Recognized Developer
Feb 24, 2010
Modugno (BA)
New build is up!

Enjoy :)

Happy Christmas :D

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  • 190

    CyanogenMod is a free, community built, aftermarket firmware distribution of Android 4.4.x (KitKat), which is designed to increase performance and reliability over stock Android for your device.
     * Your warranty is now void.
     * I am not responsible for bricked devices, dead SD cards,
     * thermonuclear war, or you getting fired because the alarm app failed. Please
     * do some research if you have any concerns about features included in this ROM
     * before flashing it! YOU are choosing to make these modifications, and if
     * you point the finger at me for messing up your device, I will laugh at you.

    CyanogenMod is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. Linked below is a package that has come from another Android project that restore the Google parts. CyanogenMod does still include various hardware-specific code, which is also slowly being open-sourced anyway.

    All the source code for CyanogenMod is available in the CyanogenMod Github repo. And if you would like to contribute to CyanogenMod, please visit out Gerrit Code Review. You can also view the Changelog for a full list of changes & features.

    ROM Downloads

    20151003 Build: https://www.androidfilehost.com/?fid=24052804347828865

    SuperSU Flashable ZIP (needs to be installed after 20150801 and newer builds): https://download.chainfire.eu/696/SuperSU/UPDATE-SuperSU-v2.46.zip

    GearRecovery (based on TWRP Recovery) 20151003: https://www.androidfilehost.com/?fid=24052804347828835 <= Highly Recommended

    Previous Releases:

    20151001 Build: https://www.androidfilehost.com/?fid=24052804347826405

    GearRecovery (based on TWRP Recovery) 20150920: http://renderserver.net/?dl=5236ed3fae796d580a0edd9d6743e7be <= Highly Recommended

    20150801 Build: https://www.androidfilehost.com/?fid=24052804347785234

    20141227v2 Build: https://www.androidfilehost.com/?fid=95864024717070927

    20141227 Build: https://www.androidfilehost.com/?fid=95864024717070789

    20141224v2 Build: https://www.androidfilehost.com/?fid=95864024717069601

    20141210 Build: https://www.androidfilehost.com/?fid=95851614878826497

    20141208 Build: https://www.androidfilehost.com/?fid=95832962473399309

    20141122 Build: https://www.androidfilehost.com/?fid=95784891001614749

    20141031 Build: https://www.androidfilehost.com/?fid=95784891001604849

    20141025 Build: https://www.androidfilehost.com/?fid=95784891001602118

    20141024 Build: https://www.androidfilehost.com/?fid=95747613655050199
    Call Quality fix: http://forum.xda-developers.com/attachment.php?attachmentid=2983829&d=1414180358 <= TEST

    20141011 Build: https://goo.im/devs/Alberto96/I9500/CM11_AutomatedBuilds/cm-11-20141011-UNOFFICIAL-i9500.zip

    Mirror 20141011 Build: https://www.androidfilehost.com/?fid=95747613655044774

    20140912 Build: https://www.androidfilehost.com/?fid=23622183712470380

    20140910 Build: https://www.androidfilehost.com/?fid=23622183712469445

    20140905 Build: https://www.androidfilehost.com/?fid=23622183712467233

    Mirror 20140905 Build: https://mega.co.nz/#!O8ERCaRA!J2vAtAKPbdfs-GL-AXZlPz6K9Diq7k9Fu8lDMMmXV-g ( thx @fuser1337 )

    20140903 Build: https://www.androidfilehost.com/?fid=23622183712466476

    Pulsing LED patch v3 for 20140903 Build: https://www.androidfilehost.com/?fid=23622183712466763 (Flash after ROM)

    20140901 Build: https://www.androidfilehost.com/?fid=23622183712465455

    Download Folder (20140816 to 20140827): https://goo.im/devs/Alberto96/I9500/CM11_AutomatedBuilds

    20140828 Build: https://www.androidfilehost.com/?fid=23622183712463791

    20140827 Build: https://www.androidfilehost.com/?fid=23622183712463436

    20140813 Build: http://www.androidfilehost.com/?fid=23610159112654826

    20140808 Build: http://www.androidfilehost.com/?fid=23610159112651977

    20140730 Build (Full Version): http://www.androidfilehost.com/?fid=23578570567720516

    20140725 Build (Full Version): http://www.androidfilehost.com/?fid=23578570567718067

    20140717 Build (Full Version): http://www.androidfilehost.com/?fid=23578570567714276

    20140708 Build (Full Version): http://www.androidfilehost.com/?fid=23501681358559598

    20140627 Build (Full Version): http://www.androidfilehost.com/?fid=23501681358553876

    20140626 Build (Full Version): http://www.androidfilehost.com/?fid=23501681358553285

    20140622 Build (Full Version): http://www.androidfilehost.com/?fid=23501681358551173

    Download Folder (Full Version): http://goo.im/devs/Alberto96/I9500/CM11 <= Only 20140612 and older releases

    Download Folder (Light Version): http://goo.im/devs/Alberto96/I9500/CM11Light <= Obsolete

    Google Apps (add-on)

    https://www.androidfilehost.com/?fid=95916177934548318 <== Recommended


    3-button-combo = "Volume Up/+" + "Home/Center" + "Power/Lock"

    - First time flashing GearCM 11 to your Galaxy S4 (or coming from TouchWiz/Stock Based ROMs)?
    1. Root your device and install GearRecovery
    2. Reboot into Recovery using 3-button-combo
    3. Do a Backup!
    4. WIPE (wipe data/factory reset + wipe cache partition + format /system partition)
    5. Install the ROM from internal/external sdcard using ClockworkMod Recovery
    6. Optionally install Google Addon
    7. Done! You can now reboot the phone to enjoy the rom :)
    - Upgrading from Official CM10.2/CM11?
    1. Reboot into Recovery using 3-button-combo
    2. Do a Backup!
    3. Install latest GearRecovery (if needed)
    4. Reboot into new Recovery using 3-button-combo (if needed)
    5. WIPE (wipe data/factory reset + wipe cache partition + format /system partition)
    6. Install the ROM from internal/external sdcard using ClockworkMod Recovery
    7. Optionally install the Google Addon
    8. Done! You can now reboot the phone to enjoy the rom :)
    - Upgrading from another build of GearCM 11?
    1. Reboot into Recovery using 3-button-combo
    2. Do a Backup!
    3. Install latest GearRecovery (if needed)
    4. Reboot into new Recovery using 3-button-combo (if needed)
    5. Install the ROM from internal/external sdcard using ClockworkMod Recovery
    6. WIPE Dalvik/ART Cache (wipe cache partition + wipe dalvik cache)
    7. Done! You can now reboot the phone to enjoy the rom :)

    Known Issues
    Please do not report bugs if it is already listen in the list of known issues
    • Some VOIP apps don't route audio properly with actual Audio HAL, so you won't hear anything. Check FAQ for Workaround
    • SIM Toolkit (STK) doesn't work (KK Specific bug)
    • Wireless Display with some TVs could cause issues (AOSP bug related to HDCP. Google doesn't provide a solution)
    • Any Chinese (CHN, I9500ZCUxxx codename) Baseband/Modem will decrease call quality due to forced Wideband AMR
    • Rarely, when you wake-up the device, touchscreen will have a noticeable input lag, easily fixable by turning off and on the display. (H/W or S/W bug?)

    Reporting Bugs

    You are allowed to report bugs only in this thread. Before reporting a bug, please make sure you are running as stock as possible. This means no custom kernel, no custom framework modification, etc. If you are using any of the above modifications, please flash the rom again to get rid of the modifications before reporting.


    • Grab a logcat right after the problem has occurred. (Please include at least a few pages of the log, not just the last few lines, unless you know what you're doing.)
    • If it is a random reboot, grab /proc/last_kmsg. (Do not bother getting a logcat unless you can get it just before the reboot. A logcat after a reboot is useless)
    • If the problem disappears after running "setenforce 0" from a root shell, grab /data/misc/audit/audit.log
    Remember to provide as much info as possible. The more info you provide, the more likely that the bug will be solved. The following is a useful format to follow. Note: If you can provide the latest night/build that the bug didn't exist, it would greatly help in tracking down what caused it.

    What is your--
    Phone model:
    Radio (baseband) version:
    GearCM version:
    GearCM download url:
    Google Apps version:
    Did you--
    wipe data/factory reset:
    restore with titanium backup:
    reboot after having the issue:
    Are you using--
    a task killer:
    a non-stock kernel:
    CMSettings/Performance Settings (other than stock):
    ART Runtime:
    other modifications:
    Provide any additional information (observations/frequency of problem/last version it worked on/etc) as needed:


    • Fixed Manual Network Search and GPS (1 - adapted LL fix, 2 - using proper KK blobs)
    • Follow GearCM 12.1 Changelog, until 20151003 Build. Exclude F2FS, LL Camera Proprietaries and GPU Driver updates.
    • Please install SuperSU flashable zip (link on first post) to add Root support otherwise you won't be able to use Synapse, neither any root-dependent app.

    Previous Releases:

    • Follow GearCM 12.1 Changelog, until 20151001 Build. Exclude F2FS, LL Camera Proprietaries and GPU Driver updates.
    • Please install SuperSU flashable zip (link on first post) to add Root support otherwise you won't be able to use Synapse, neither any root-dependent app.

    • Updated CM Sources
    • Follow CM12.1 Changelog, until 20150731 Build. Exclude F2FS, LL Camera Proprietaries and GPU Driver updates.
    • Please install SuperSU flashable zip (link on first post) to add Root support otherwise you won't be able to use Synapse, neither any root-dependent app.

    • Updated CM Sources
    • Added CM Performance Profiles (Performance -default-, Balanced, Power Save). Go to Settings/Performance to change profile.
    • Optimized Offline Charging mode (now using less power than before)

    • Updated CM Sources
    • Properly fixed & enabled Bluetooth features
    • A2DP Calls should work fine now
    • Reduced Surface Buffers for a smoother UI
    • Increased EGL Cache size
    • Fixed Audience ES325 audio effect name (now it should work fine everywhere)
    • KERNEL: reduce surface buffers
    • KERNEL: clean-up PVR GPU driver
    • KERNEL: some optimizations here and there

    • Updated CM Sources
    • Clean-up here and there
    • KERNEL: reverted change that was causing chrome and other apps to crash
    • KERNEL: re-enable Android LMK
    • KERNEL: removed all Samsung USB rubbish
    • KERNEL: added some FS optimizations
    • EXTRA: Happy Christmas :)

    • Updated CM Sources
    • Using proper RIL declarations (no more l2_hsic/rild/phone wakelocks)
    • Using smaller and faster CM bootanimation for quicker boot and less battery usage while booting

    • Updated CM Sources
    • Add some optimizations
    • Clean-Up WiFi Ramdisk code
    • KERNEL: lots of updates from Manta

    • Updated CM Sources
    • Fixed Wake-Up (Screen Off/Screen On) delay, you'll notice the difference especially while using s-view cover
    • Using new and better auto-brightness values
    • Using correct minimum screen brightness
    • Fixed ALL IR Transmitter compatibility problems
    • Added IPv6 Tethering support
    • Added USB Mass Storage mode for External SDCard
    • Cleaner and stabler USB Connection management
    • Reduced echo effect while in-call
    • Finally fixed all remaining RIL wakelocks
    • Cleaner ramdisk (as always)
    • KERNEL: Switch to stabler and official Google GCC 4.8 Toolchain (used on Android L)
    • KERNEL: Set higher charging values while using MHL Cable
    • You'll probably find other fixes/improvements that I don't remember

    • Updated CM Sources
    • Fixed built-in camera app
    • Added ANT+ Devices support (needs testing, i don't have any wearable device here)
    • Switched to stabler (but less proper) call quality "fix" [THIS BREAKS ALL CHINESE MODEMS]
    • Cleaner ramdisk
    • UI should be smoother now (noticeable with a clean-install)
    • Fixed com.android.phone crash after sending an SMS

    • Updated CM Sources (fixed built-in Camera app)
    • Fixed PowerHAL permissions
    • Fixed some init permissions
    • Built-in Call Quality fix

    • Updated CM Sources
    • Properly fixed all RIL wakelocks (no more using workarounds)
    • Fixed USB OTG Auto Mount
    • Added a device specific power HAL with touchscreen power management
    • KERNEL: Enabled and Optimized Interactive CPU Governor (not as default)
    • KERNEL: Enabled Conservative CPU Governor (not as default)

    • Updated CM Sources
    • IR Blaster has been fixed for all remotes
    • Sensors are now working as on Samsung stock ROMs
    • Ramdisk has been slimmed and cleaned
    • Added SAR Levels to Settings
    • Using less aggressive mount options to prevent any data corruption (performance is impacted just a bit with this change)
    • Using latest NI2 proprietaries and fingerprint
    • Call Recording has been enabled by default for Nordic Countries (where this is allowed)
    • Fixed all RIL wakelocks (using a workaround until a proper RIL class is made)
    • KERNEL: Fixed missing net parameters
    • KERNEL: Optimized PM runtime
    • KERNEL: Updated sources to NH4 Samsung OSRC release
    • KERNEL: Using Linaro GCC 4.9

    • Updated CM Sources
    • Enable KSM as default
    • Increase a bit speaker volume
    • Charging should be faster now
    • Properly disable touchkeys when screen is off (e.g. while in-call)
    • Fixed S-View call issues

    • Updated CM Sources
    • Little improvements (not really important)

    • Updated CM Sources
    • Cleaner
    • Pulsing LED fix built-in
    • Better 2G/3G Radio Performance

    • Updated CM Sources
    • Fixed Gaming lags/performance issues
    • Improved photos quality (Google Camera should save full-size photos now)
    • Enabled pulsing led while boot

    • Updated CM Sources
    • exFAT problems should be fixed definitely (Feedbacks are welcome)
    • Fixed laggy Video Playback (sound card crash was still here)
    • Lighter kernel
    • Gaming problems should be solved (Feedbacks are welcome)
    • ROM could be a bit less smooth than before but stability has been improved
    • Better Camcorder values

    • Updated CM Sources
    • GPS working great now, similar to TouchWiz

    • Updated CM Sources
    • The smoothest build ever released :O
    • Using proper Bluetooth permissions
    • Added Smart Cover support (third-party apps aren't need anymore)
    • Finally fixed IR (Infrared used for Remote Control, tested with Smart Remote)
    • Using MPEG2 and VP8 (WEBm) hardware codecs
    • Reduced screen brightness while booting and while charging to save energy and reduce heat
    • No more video lags related to sound card crashes (Feedbacks are welcome)

    • Updated CM Sources
    • Cleaner
    • Improved GPS Performance
    • Should solve all ext.sdcard issues (thx @Arch9 for reporting)

    • Updated CM Sources

    • Updated CM Sources
    • Restore some settings related to on-screen buttons
    • Clean-up (2x)

    • Updated CM Sources
    • Fixed Offline Charging for ALL devices
    • Use Adaptive Backlight like on TouchWiz (this means better Screen-On battery lasting)
    • Clean-up

    • Updated CM Sources
    • exFAT should work DEFINTELY fine for all users

    • Updated CM Sources
    • Noise Suppression should work perfect now
    • Better audio values (almost 90% Stock-Like)
    • Offline Charging should work perfect now
    • New Offline Charging images
    • All WiFi issues with lost networks and anything else are now fixed
    • Proximity Sensor should work perfect on all devices with no issues
    • Increased UI Resposiveness
    • Improved GPS Performance
    • Faster Dalvik creation using multi-threading (this means faster boot after clean install or dalvik wipe)
    • Fixed no incall-audio on boot (thx @D_black84 for report)
    • exFAT should work fine for all users
    • Maybe many other things that i forgot :p (worked a lot on this release)

    • Updated CM Sources
    • Add Vibrator Intensity Control ( are you happy now? :p )
    • Fix some overlay problems, now all is set correctly (see new working dock settings)
    • New charging images
    • Test new audio processing libraries from stock (seems a bit better with no echo)

    • Updated CM Sources
    • Fix exFAT problems
    • Fix Chromecast support
    • Updated kernel to NG3 sources + many optimizations (whole rework)
    • Dropped definitely Light Version

    20140730 Full:
    • Updated CM Sources
    • Fix Camera
    • Test new IR Library, now should work perfect
    • Use latest @nikitiser mixer_paths
    • Update proprietaries from NG3 Release

    20140725 Full:
    • Updated CM Sources
    • Some little fixes to Camera paths and kernel

    20140717 Full:
    • Updated CM Sources
    • Stabler
    • Using better audio values (thx @oz_90)

    20140708 Full:
    • Updated CM Sources

    20140627 Full:
    • Updated CM Sources
    • Improved Performance
    • Fixed Animations

    20140626 Full:
    • Updated CM Sources
    • Improved Performance
    • Fixed Offline Charging

    20140622 Full:
    • Updated CM Sources
    • Improved Performance
    • Enhanced Battery Life

    20140613 Kernel Update:
    • Boost GPU Performance

    20140612 KernelPatch:
    • Fix Inverted Colors in Videos

    20140612 Full:
    • Updated CM Sources
    • Fix Images wrong decoding
    • Enhanced stability

    20140610 Full:
    • Updated CM & Samsung Sources
    • Optimize much more kernel
    • Optimize Performance, now smoother than ever
    • No more low quality Photos (CM Camera has been fixed)

    20140419 Full & Light:
    • Updated CM Sources
    • Fix Other Missing Permissions
    • Reduce NFC Debug
    • OTA Updates Support
    • Increased a bit mic volume
    • Introduce also Light Version

    20140409 (don't use ART, CM Team is working on fix):
    • Updated CM Sources
    • Fix Step Sensor Permissions
    • CleanUp Ramdisk and System

    • Updated CM Sources
    • Optimize Kernel

    • Updated CM Sources
    • New Storage Settings (i need feedbacks for this because i can't test the kernel built-in)
    • New Offline Charging stuff (same as before for feedbacks)
    • New Audio Configuration (effects related)
    • Cleaned almost all ramdisk files
    • Using new NB3 Proprietaries (except RIL and Camera)

    • First Release

    The CyanogenMod team would like to thank everyone involved in helping with testing, coding, debugging & documenting! Enjoy!

    XDA:DevDB Information
    [GearCM][i9500][4.4.x] Optimized CyanogenMod 11 for Samsung Galaxy S4, ROM for the Samsung Galaxy S 4

    Alberto96, intervigil
    Source Code: https://github.com/GearCM

    ROM OS Version: 4.4.x KitKat
    ROM Kernel: Linux 3.4.x
    Based On: CyanogenMod

    Version Information
    Status: No Longer Updated
    Current Stable Version: 20151003
    Stable Release Date: 2015-10-03
    Current Beta Version: 20140419 Light
    Beta Release Date: 2014-04-19

    Created 2014-01-25
    Last Updated 2015-10-03
    Official Galaxy S4 I9500 maintainership request sent :) If they accepts (i hope so), i will become an official device maintainer and i will be able to push and accept changes much faster :D (for nightlies)

    Let's see....
    Read carefully

    Differences between GearCM (Optimized CyanogenMod) and Official CyanogenMod (NIGHTLY):​

    Enough of those dumb questions..
    The official CM rom is maintained by @Alberto96 and @intervigil
    He makes the very recent changes here relating to performance.. which are then in time pushed to CM official rom. The kernel is different because it has selinux disabled and few minor tweaks you might not even notice.. this gearcm rom will have more performance. But CM rom will have their updated base changes which are included here with each update.
    What I mean is you probably wont even notice what's different in terms of user interface.. gearcm will have more performance. Official cm will have updated sources. But it will include gearcm's changes in time as @Alberto96 pushes them to CM
    You can decide by a simple choice. more performance and not-nightly updated sources or similar performance (improving with nightly updates) with updated sources. I would choose gearcm because of the reasons I mentioned above. Do what you will.. and let this be a note to everybody who ask this again and again and again. Don't spam the thread with same question in every alternate page.. Because there are other people who might have different problems they need to ask. Read atleast 15 previous pages and the first post changelog before asking the question. Reading most of the times will give you a solution and if not most of the info you will read will help you anyway.
    Threads reopened, release coming soon.

    No ETAs and no "stupid" questions are allowed. ( any improper question will delay the release ;) )
    A new build is coming soon, all Microphone volume changes has been reverted for no distortion but with lower volume. I haven't tested hardware voice processing without microphone "hacks" so let's see how it works :D

    For Video Playback, i need more time. Battery drain maybe will be fixed without any special addition (Just CM Sources update). Don't ask for ETAs ;)

    EDIT: Oh, and i forgot the most important thing. Next CyanogenMod builds will be Perseus Powered. :)
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