1.Keep Pressing [OK] Button in Front Panel, then power on STB.
2.After 5 seconds, you will see [Forc] in LED, release [OK] button and Press [UP] button you will see [SPAR] in LED
3.Press [OK] to confirm your selection, STB will reboot automatically
1a)You should have miniUpdate1.3 (or version higher) installed with MPI.
1b) Or you can work with MaxiUboot, install this instead of miniUpdate1.3. The booting from an USB-image works much faster.
2) Download Maxibootinstaller.
Open as Administrator (win7)
Format your usb-stick that is in your Front usb-drive from your kathy 910HD.
Make Minipartitions and install a USB image.
3) Activate your mini with the program MPI and set a bootdelay.
4) While you start the box, you must choose with arrows from the remote for USB1 instead of Flash. Watch the VFD-display of your kathy.
Now you should boot into you newly installed USB-image.