Do i need to install Superuser or SuperSu or it build-in Permissions ?
It is built-in. If you go to "Settings", after "Printing" and before "About the phone" it has "# Superuser". Also do this if you want:
Show Developer and Performance setting...
Thank you sknerus75, skaveelicious and last but not least mikeioannina. Itís finished. My Arc S is now running CM11 and finally I understand how to flash custom ROMs.
Is there anything else I should do to improve the phone? Should I use link2sd+C...
You need to install SuperSport Video Dialer.cab on the device memory (not on storage card). But you will lose the smartdialing function (that autocomplete function when dialing the number). If you want to have smartdialing again just uninstall thi...
@moskau12, check WM5torage 1.9.zip on post 113 of the previous page or if that one doesn't work try _www.kuruan.cc/soft/xitongyingyong/2009-10-17/2998.html