Are there free services for GPS trackers on the Internet?

Question

satellite navigation

Good afternoon, such a problem arose,
I bought a Chinese gsp tracker about 2-3 years ago, everything worked. fine until recently.
As I understand it, the service was disabled and now it is not possible to use the tracker. the application constantly writes a network error.
as I understand it in the settings, you can change the server of the gps tracker and use it further.
There was a question to find a free server (service) so that you can continue to use this tracker.
Maybe someone knows such services or only paid everywhere?
I know that you can still set up a server on your computer and use it the same way.
GPS tracker Chinese D69 like