hello.
I haved DS-7108N/SN P NVR with mod EN interface. It worked with 3 camere 3310 Chinese language. To day i use hiktool for update firmware for my NVR using 3.0.17 version. Update sussess but NVR do not connect camera: Offline(Language version mismatch).
I tried downgrade to 3.0.10 but...