Bought a terribly annoying video recorder from ZOSI

Its Windows client simply crashes with the following message:

My device model number is ZR08WN HDD:2TB and the device QR code ends with 111A:

I opened the dispute on Aliexpress and they decided to return goods (Russian language):

I did some further research and tried to check the ports with telnet:

C:\Users\D-Ef>telnet 5000
Connecting To not open connection to the host, on port 5000: Connect failed


Pinging with 32 bytes of data:
Reply from bytes=32 time=1ms TTL=64
Reply from bytes=32 time<1ms TTL=64

Ping statistics for
    Packets: Sent = 2, Received = 2, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
    Minimum = 0ms, Maximum = 1ms, Average = 0ms

But some other recorder connects successfully with the command

telnet 34567

They sent me a previous version of their software that displays some blinking video and has some funny and also blinking playback without the ability to see motion events:

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