You haven't registered it.
what do you by registered it ??
what do you mean by registred it !!!!!!!
you have to register your device into the device list of traccar server, then only server will recognize the device and process the device messages
you mean by register it that adding the IMEI number on the server ..i do this but it still unknown devices
contact me at jeeva2vgm@gamil.com ,we can chat real time to sort out this issue. i have 3 years experience in traccar code, operations. can help you.
okey ,thank you a lot
why my device appeared unknown what is the reason of that