1. Check the “Server URL” and “Network APN”
2. Check modes in both "Port-1 Mode" and "Port-2 Mode" (Port 1 must be the host and Port 2 binary).
If your SIM card has been provided by Galooli, check that the information listed in the tabs matches the information you received from Galooli. Contact Galooli technical support if needed.
If any other cellular supplier has provided your SIM card, you should contact them to verify the accuracy of the information