1. Find "WiFi Basic Settings"
Click Settings.
Click WiFi.
Click WiFi Basic Settings.
2. Change Wi-Fi hotspot password
Click "Edit" next to the required Wi-Fi hotspot.
Please note that the different hotspots may have different names and passwords. Make sure you select the hotspot you want to change the password for.
Click the field next to "WiFi key:" and key in the required password for your Wi-Fi hotspot.
Click Apply.