I recommend CyanogenMod, you can install it by following the link below:vhttp://forum.xda-developers.com/showthread.php?t=2584956
No action is required for dual sim, since the patch is now included in CM11 nightly :)...
No there is no dual sim version of cm11 available yet. There are other JB based custom roms too but if you want to install them you have to root your phone and unlock your bootloader.
EDIT : fxp334+ builds allow dual sim working cm11
I have ...
Look here, lol xD
Yep buddy, you're good to go.
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I followed the steps that I have written, unfortunately I have no network of two sims
I then run in a terminal: setprop persist.radio.multi...