Here you go
V31, Update OEM with custom Range Rover splash screen
http://www.megaupload.com/?d=X2MT6QR0
procedure
Select the write speed as x1 (or the slowest rated speed of the blank cd) and then burn on a good quaility cd.
When its finished writing your new firmware cd,
Goto the car open the drivers door,
Goto the nav computer and press eject on drive,
Eject the map disc,
Switch ign to pos 1, leave door open.
Insert firmware disc into drive, follow instruction on nav screen.
Wait (approx 6 mins) till sat nav asks to eject cd and reboot.
Eject cd,
Confirm reboot.
Do not switch off ignition or close the door when doing the upgrade.