the files i had used top flash are
flash main firmware:K810_R8BA024_MAIN_GENERIC_SM_RED52.mbn
flash file system: K810_R8BA024_FS_EUROPE_2_RED52.fbn
software used:x++i checked the box costomize file system and clicked phone model:own custpack
select cda and region:i choose europe_4(cda102511/101)
then i clicked flash
here is a files of the things i mentioned such as the
flash files:
K810_R8BA024_FS_EUROPE_2_RED52.fbn
K810_R8BA024_MAIN_GENERIC_SM_RED52.mbn
and the custpack
and also the backup file i got of the flash i think it is