3.2.7.2 GM02S Factory Configuration

The Sequans GM02S module is configured in the factory so that all unused GPIO pins and peripherals are disabled. Only the features available on the board are enabled. The SIM0 (SIM card) interface is enabled without polling to conserve power. The SIM card will only be powered if the modem detects a SIM card. The SIM1 interface is disabled by default. Enable the SIM1 interface in the hardware configuration of the GM02S to use an eSIM with the AVR-IoT Cellular Mini.

All boards come with a restore point created during manufacturing of the AVR-IoT Cellular Mini. Using the factory reset functionality will reset all nonvolatile parameters of the module back to the last restoration point. Send the following commands to the GM02S via UART to perform a factory restore:
AT+CFUN=5
AT+SQNSFACTORYRESET
CAUTION: Issuing a factory reset also flushes any data cached by the modem and erases any certificate stored in the modem. Provisioning of cloud service provider required after a factory reset.
To check if the factory restore point is present, issue the following commands to the modems UART:
AT+CFUN=5
AT+SQNFACTORYSAVE?
The response, if the restore point is present, is:
+SQNFACTORYSAVE=microchip
Important: Configure the UART for AT mode to issue an AT command to any GM02S UARTs.