As far as I know it's a China region device, delivered with English 5.3.4 firmware (but not upgradeable).
I don't know if R1's use the same upgrade methode internally, if so I could try the R0 upgrade process...
Thanks for the procedure, after disabling all firewalls I was able to modify/flash two Cube camera's (2CD-2432's).
Is there a similar procedure available for a R1 camera (pinhole - 2CD6412)?