Tracker technical service shocking.

Upgraded my unit to include a tag for early warning purposes. When the testing the unit the response time from tracker was over 20min. I advised them and they blamed the network. Tested against a same story they said battery in tag needed to be replaced after doing so tested again reponse time well over 20min. Tried again same story always default to network error and they will look into it. Long story short they have done nothing but provide empty promises of managers and technical departments to resolve and call back but guess what doesn’t happen. Sent 2 cancellation requests and technical queries via the app no response. The technical staff and customer relations of this business are useless.