I have two issues:
I've followed
SansaE200Install instructions, extracted rockbox.zip into the root and and used
sansapatcher v0.2:
[INFO] Bootloader installed successfully.
1) but after that sansa didn't restart. And rockbox doesn't start whatever I do
So I think the reason is that I have 01.03.01 version of original firmware. I checked Sandisk.com, but it seems they've refused this version 'cause there's no it any more. I tried to degrade to previous e.g. 1.02.15a or any other from
http://daniel.haxx.se/sansa/mi4.html but after upgrading firmware I've got a white noise on the screen and in a second sansa goes to recovery mode. The only is possible to set up mi4 file from 01.03.01 again.
2) so I can't to go back to older version of the firmware.
As I remember earlier there were something about installing decrypted OF.bin to the ./system folder and rockbox.e200 to the root, since there's no any mention about these steps I just stupidly followed
SansaE200Install page hoping sansapather does the whole job.