can not
Home wireless router, the WiFi signal coverage radius is small, indoor through the wall, the transmission distance of ten meters away is good. As the distance between the phone and the router increases, the signal deteriorates rapidly;
For the above reasons, when the mobile phone is too far away from the WiFi in the outdoor, it is naturally unable to communicate with it. If there is free public WiFi near your phone, you can connect to it. Otherwise, you can only use the \"mobile data\" mode to surf the Internet;