I have a HCVR - unit on underside says model is: NT-T7216A-S3 -
Most likely HCVR7216A-S3
Have upgraded from V3.210.0001.0.R.160322 to V3.218.0000001.2.R.170808 and than again this morning to V3.218.0000002.3.R.180601 successfully.
Is there any official versions above this? - Some Google...