Ensure the SIM card is present and fully inserted. Make sure your SIM card is on the proper plan and carrier. AT&T vs Verizon. Ensure the antenna is fully inserted and not broken.
Clean off the SIM card using a pencil eraser. Remove the SIM card by pushing it in, it is spring activated and will pop out. Once removed, be careful not to drop or damage it, gently clean off the brass portion using a pencil eraser. Blow off the excess residue and re-insert the SIM card back into the camera.
If this doesn’t resolve the issue, contact support for additional assistance.
Last Update: 11.06.2020