Note: At this time Juniper Systems (Creators of the Mesa3), has confirmed that only ATT SIM cards work with their devices.
Note 2: American Innovations does not have the capability to grant access to any other network provider.
To view the IMEI, follow these steps on the device:
1. Navigate to "Settings"
2. Click on "Network & Internet"
3. Select, "Cellular"
4. Click "Advanced Options"
You should now be able to see the IMEI number.