Ahhhh come on i told you what to do ...
If you don't have the the nand your going to have to use a donor nand coolshrimps Jtag tool has donor nands you will have to use >>>>
360 Flash Dump Tool v0.97 to inject your the CPU Key.
http://www.xbox-scene.com/xbox1data/sep/EklyEuFuAkywxxIoFt.php
Version History
---------------
v0.97 (2010-10-03)
- Improved Nand Image detection
- Added support for small XeLL Images (1,3MB)
- Added ability to extract/import Slot0/Slot1 of ZeroPaired Images [XBR/freeBOOT/small XeLL]
- Added ability to detect/convert raw Images (made with external programmer) to proper read format
- Added ability to detect/convert Images without ECC data (made with Infectus device)
- Added ability to extract/import new 'dae.bin' file [DvdAuthEx]
- Added support for "Alternate KeyVault" decrypting/extracting
- Added option to rebuild an opened Nand Image with different CPU-Key (Bootloaders/HV and generic files)
- Added option in Settings to allow randomized encryption
- Added option in Settings to allow cut short BigBlock Nand Images (64MB)
- Fixed bug, regarding to saving config block checksum at wrong offset (in rare cases)
- Changed, more accurate file extraction, automatically create subfolders
- A lot of improvements and bug fixes
Then and only then when you have that done right no mistakes injecting your KV info there is Videos on youtube with this tool in action and how to do it save me the time typing what's already out there.
Then make your fb image with the new nand and write it to the Jtag with your nand x if you don't get it after that i would send it to Martin or someone near but that's your call ok peace out lol