Use this MAIN: W800_R1NA005_MAIN_EU_1_CA_RED36 instead W800_R1NA005_ZONE1_STANDARD.mbn and YES you can unlock that phone with FAR manager+SEFP and use this tutorial Using FAR+SEFP with a DB2012 DB2020 phone (Guide) - Top Sony Forums , but to apply SIM_LOCK patch do like here how to patch K750 CID36 RED with FAR - Top Sony Forums