IMPORTANT: This document covers sim cards provided in the US and Canada. This is not applicable for HMS provided sim cards in other areas
HMS Networks (US/Canada) provided sim cards
Flexy with 4g Modem
What is the APN for Sim cards provided by HMS in the United States and Canada?
For sim cards provided for use with AT&T: zipitwireless.com.attz
For sim cards provided for use with Verizon: VZWINTERNET
Troubleshooting Slow or Unstable Connection on Cellular Flexy
Where to activate HMS Networks (US/Canada) card activation?