In the USA, we include a free SIM with our network partner Red Pocket Mobile for great service over AT&T for only $10 month to month (exclusively available to our customers with SIM cards provided by us).
Activate your SIM card at www.angelwatchco.com/activate
After Activation please go to your watch's APN settings (Settings-Mobile Networks-APN) and confirm you have 'Airvoice Wireless' selected. That's it!
If you would like to use another GSM network, you may do so, but bear in mind other networks may have varying steps to connect to the cellular network successfully. We are always happy to assist but bear in mind we might only be able provide only limited.
Please avoid a plan that works through Verizon or Sprint as they are not supported.
We have worked hard to find the least expensive, lowest commitment, most compatible service to provide a simple plug & play experience to set up and would strongly recommended using the SIM provided for customers in the USA.