This mobile wifi is design to conserve power whenever possible, it will turn off Wi-fi and enter sleep mode if no device is connected toit after it has been on for a period of time, simply touch the power button to wake it backif you forgot the wi-fi SSID password or web management page login password, press and hold the reset button until the mobile wi-fi restarts. the mobile wi-ti device settings are then restored to their default value The default SSID and encryption key are printed on the mobile WIFI device