2. Try to locate through the network (traffic charges may be incurred): slide down the top screen-long press the GPS icon-enter the location service setting interface-location method-select "GPS, WLAN and mobile network" or "WLAN and mobile network" (the operation methods of different models of mobile phones may be slightly different);

3. If it doesn't work, turn off the phone, restart it, and search for stars again.

Samsung mobile phone charging solution;

1. Clean the contact point between the battery and the mobile phone battery to the charging jack of the mobile phone, and check whether the contact point is damaged (poor contact can also cause this situation);

2. If there is a spare battery or charger, try to replace it;

3. Check whether the machine is equipped with third-party detection software and try it after unloading;

4. Back up the data of the mobile phone and restore the factory settings of the mobile phone.