[SOLVED] Problem Flashing with BOOTUTILW64E [FLB File]

[robinsmidsrod]

Good research you've done there. Using dd you should be able to easily rip the FLB header out of the backup.flb file. Then you just take note of the size of the ipxe rom and use cat to glue the two files together (cat header.flb 80861503.rom >80861503.flb). Then you finally open that FLB file open in a hex editor and change those bytes you need to change (size and version). Once you've done this manually and verified that it actually works then we can look into automating this.

Why do you need to change the version number? None of the documentation you've pasted explains why you need to do that.