Open "Settings app" :
- tap on "Network & Internet",
- tap on "Wi-Fi",
- to connect, untick "Off" or "Not connected", the search for Wi-Fi access point is launching (the smartphone automatically connects to a Wi-Fi network previously saved),
- select a network then enter a login and a password, if needed.*
or
Model powered by Android™ version before Pie (9.0), you can also follow the instructions below.
- swipe the taskbar twice downward:
- to search for Wi-Fi access point , tap on Wi-Fi ,
- if needed, enable Wi-Fi connection (the last connecion is launching automatically, is avaible),
- if needed, select a network and tap on "Ok" or enable Wi-Fi,
- to set a Wi-FI connexion, select a network the enter a login and a password.*
- to disable Wi-FI connexion, tap on Wi-FI   (then the icon turns to or to dark).

* This field is sensitive to case, special characters, etc. Tick the box "Show password" to avoid a typing error.

How to Scan its QR code to connect without needing to enter a password

- open "Settings" app ,
- open "Wi-Fi",enable Wi-Fi
- tap on the QR code on the right of "+ Add Network"
After scanning the QR code of a route AP, you can connect to the route successfully