R6700v3 bricked and can't flash firmware because the boardid is corrupted

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Arcaios26
Arcaios26's picture
R6700v3 bricked and can't flash firmware because the boardid is corrupted

So I can gain access by serial cable and tftp a firmware file to the router but my board id has become corrupted and looks like ≡i. I have backups of my boot and board_data partitions if that will help, I just can't figure out how to flash the board_data from cfe. If I knew the offset for the partition i could flash it easy enough. I have been unable to find the mtd structure anywhere but I know board_data was mtd4. The only other option I can see is if someone had a dump of the full flash I could use to get the router revived, I know how to flash my board_data from telnet using dd but that isn't an option in the cfe 

martinmarty
martinmarty's picture
Maybe there is something in

Maybe there is something in here that would help you.

https://openwrt.org/docs/techref/bootloader/cfe