If erom cid:52, if not you need to use seus or xs++ to update to cid:52
to unbrand,repair,update your phone you need
W850_R1KG001_MAIN_GENERIC_CY_RED52
W850_R1KG001_FS_EUROPE_2_RED52
custpack: HB1-06_Gen_CDA102568_11_R5A_GENERIC_EUROPE_2
u need xs++3.1,
the main goes in the main box (make sure you unzip it first)
the fs goes in the filesystem box (make sure you unzip it first)
select customize filesystem check the drop down list of custpacks to see if it has the correct one for your phone,
if it does then select it and press flash.