First make sure your device is connected your satellite equipments (Iridium GO!, Iridium GO! exec, Sidekick, etc.) Wi-Fi. Open the OneMessage app and tap the Settings button or icon in the lower right of your screen -> then tap Connection Settings -> Under Device Settings Select the satellite device you are using and tap OK. Then tap Save. You can test your connection now by tapping the Connect button from the apps home screen or the icon in the lower of your screen to open the Connect screen. verify the Connection Method is correct and then tap the Connect button.