The satellite signal strength is shown whenever the ZOLEO communicator is connected to your ZOLEO App and messages are being sent or received via the Iridium satellite network. It is also shown during an SOS. The signal strength is indicated by one of three bars.
To check the signal:
1. Open the ZOLEO App and connect to your ZOLEO.
2. Tap the icon to expand the status ribbon.
3. In the status ribbon you will see a line for the signal displaying 0 bars (no signal) to 3 bars (full strength).