Your R0 series camera if you have the option to update the firmware from the web interface, make an update with this file, at the same time there will be a change to the European version of the camera foreverion
After the update, the camera will receive firmware version 5.2.5 and reset the...
if your camera is still loading and working
the easiest way is to download and install the service firmware from this site the firmware will change the camera on its own
I think now you need a programmer, make a memory dump of a working camera and a memory dump of the camera that you ruined. Both dumps have been sent to my email, I will try to help you.
Many of the firmware from my archive were restored from memory dumps of serviceable cameras provided to me by...