As my post above, I had upgraded my VTO3211D-P2 to the same version you have (2018-04-21 V3.200.9999000.0.R) it was successfully. It is measing: it has the italian language as well, works fine for me...But... I discovery a BIG issue on this version of firmware:
Once I open the exsternal DOOR...
Hello,
may someone can help me... I have a VTO3221D and VTH5221D. It was worked fine until I set the MIC volume to the max (100) on VTO, last night. This morning the Audio from VTO to the VTH doesn't work any more. I did some troubleshooting, without find any specific issue.
At the end I try to...