Yes you can use this files , but you need to convert it with GSLIDE to RED49
or you can download from download section this 3 files
W800_R1BC002_FS_EMEA_2_RED49
W800_R1BC002_MAIN_EU_1_CA_RED49
W800i_CDA102430_2_R2A_Generic_EMEA_2
and don't forget - first you flash FS and CUSTPACK and than MAIN