Kindle paperwhite 1 demo DIAGS

[stmusic]

Hi,
i have pw 1 which is stuck in demo mod.
I use serial cable and not wont to allow me Boot into Diagnostics Mode.
bootm 0xE41000

uboot > bootm 0xE41000
## Booting kernel from Legacy Image at 70800000 ...
Image Name: Linux-2.6.31-rt11-lab126
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 4608576 Bytes = 4.4 MB
Load Address: 70008000
Entry Point: 70008000
Verifying Checksum ... Bad Data CRC
ERROR: can't get kernel image!

What to do now ?

[stmusic]

I conect kindle to fastboot and need image for Kindle paperwhite 1
if someone have it be good to upload,
diags pw_5.2.0
kernel pw_5.2.0
diags pw_5.2.0

Or someone to extract fimware for pw 1