The new update with update log is here https://cc3.teyes.ru/en/update.html , the one who have installed the previous update, can now update from the CC3 radio itself by tap on the FOTA button.
Are you sure the vehicle speedometer is correct? Did you change tire size on the vehicle? Use the GPS on your phone to see which speed is correct first
I don't have teyes, but usually these android head units get speed through gps
What the... It looks that those buttons are under the panel, Those 2 holes are for the mic and the reset of the device. Something is clearly wrong with that oem panel.
I am in France, and my CC3 gives me complete satisfaction on my Ford Focus 2. I do not see what the restrictions would be due to the development by the Russians