hi
i have a w550i cid49 brown firmware is R4CA004
i want to update to R4CB020, i have downloaded the files from topsony
1.W550_R4CB020_FS_EMEA6.bin
2.W550_R4CB020_MAIN_EU_EMEA.bin
3.W550_CDA102426_106_EMEA_6.zip
plz help to flash my phone, i dont wan to get configuration error after flashing