•SIM Card Selection: Use a GSM network card or IoT NANO SIM card (CDMA telecommunications cards not supported). Activate GSM card with GPRS for functionality
•Power On: Devices without buttons will automatically power on upon SIM card insertion. A slow flash of the red light indicates powering up for 30 seconds before going online. For devices with a power on/off button, press and hold for 3 seconds to turn it on.
•Shut Down: Press and hold the power button for 6 seconds to shut down if available. If no button is present, remove the SIM card; the red light will automatically turn off after 30 seconds.