Ford TDK Unit Help

i have a Ford TDK development unit and wish to update the software in the APIM but normal offical updates and reformat tool do not work, i get a unsigned error. Does anyone else have a suggestions ?

Likely needs to be signed with the dev certificate rather than production certificate at a complete guess

ok thought has much direct write to emmc then i take it

well unless you are able to sign packages with the dev certificate…

Direct write to the emmc could be used to inject the production certificate