This apk is designed for CM11 GT-I9500."You are on your own risk"

This apk contains a kernel for i9500,Galaxy S4 CM11 android 4.4.4(cyanogenmod.org), not compatible with any other firmware.

"You are on your own risk."

The kernel is modified according to spec.

In summary, after install this kernel, S4 will be faster, louder(especially in hand free mode).

Kernel source locate at sf.net for GPL license.

root:

http://autoroot.chainfire.eu/

Install cm11:

http://www.android.gs/flash-cm11-android-4-4-2-rom-for-galaxy-s4-i9500/

recovery rom:

http://forum.xda-developers.com/showthread.php?t=2644009

Use odin:

http://www.youtube.com/watch?v=lxwHr-VODiw

Recovery method:

Let S4 enter download mode(press power, volume down, home).

Use Odin to download official firmware.

After download, enter recovery mode(press power, volume up,home) and wipe out /cache,user data.