For this type of tracker please try to do the next settings:
in the unit menu - Settings - Common Settings please select the device category - Hardware, device type - Bitrek
After that, you will need to configure the tracker on the new port.
If your tracker supports DNS server, then on
server - 24021.flespi.gw, port - 32062
if it supports only the IP address of the server, then on
server - 126.96.36.199, port - 3206