please help needed

[goldrake98]

Hi could anyone shed some lights to my problem my DM500 will not lock to any transponders and cannot find any channels I know for a fact is not my dish because tested with another DM wich belongs to my friend and works ok also I have tried to flash it with few version but I m still getting the same error message "Found no valid jffs2 in image, flash-erase not supported" is my box gone kaput or there is a patch out there that might fix this problem.
many thanks for time being
regards goldrake