I got my firmware here *****************don't know if that helps but if you have flashed or tried to load the programs 3 times or more you will have the same problem as me and have to start over by unblocking the counter block first before trying to do an unlock,this is mine and shows 51 and 53
Platform: DB2020
OTP CID: 51
EROM CID: 53
EROM Color: Red
IMEI: 35601901xxxxxx
Phone ID: K550
Region: EUROPE_2
CDA: CDA102743/99 R5A
Firmware Version: R6BC002
EROM: R3A016




