If you want to patch it, you must first have one of this two MAINS in your phone:
R8BA024_GENERIC_LA, or R8BE001_GENERIC_LA.
Since you have :
W580_R8BE001_MAIN_GENERIC_LA_RED53 and
W580_R8BE001_FS_EUROPE_4_RED53, you can skip flashing procedure.
Patches can do many usefull things to your phone:
http://www.topsony.com/forum/db2020-...html#post90437