Mobile wi-fi is designed to conserve power whenever possible. it will turn off wi-fi and enter sleep mode if no device is connected to it, after it has been n for a period.
if you forget the wi-fi ssid & password of web management page login password, press and hold the reset button until mobile wi-fi restart finish. the mobile wi-fi settings are restored the default values.
the default ssid and encryption key are printed on the mobile wi-fi.