[Q] Help in the search for bootloader [FS Loox 720]

I would highly appreciate any advice as to where I can find a bootloader for
fuji-siemens pocket loox 720. I was updating a firmware when a blackout
happened due to storm. I was able to access flash memory using JTAG interface,
but was unable to locate the bootloader itself.

According to the info I've found, after deleting 41 start bytes in original
*.nbf firmware, next 512 bytes are supposed to hold the bootloader. Using
hex editor I have removed that number of bytes, then tried to upload via
JTAG flasher. Upload itself was fine, but the device still doesn't work.

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