Samsung Galaxy S6 User Manual page 259

4. Tap a Wi-Fi network to connect, enter the password (if it's not an open network), and then tap
Connect.
 Your phone is connected to the Wi-Fi network. You will see

The password, for a household wireless LAN router, is sometimes found on a sticker on the
router (WEP, WPA, KEY, etc.). Contact the router manufacturer for information. For
password for a public wireless LAN, check with user's service provider.

Entering a password is not required if an access point is not security protected.
Note: The next time your phone connects to a previously accessed secured wireless network, you will not
be prompted to enter the password again, unless you reset your phone to its factory default settings or
you instruct the phone to forget the network.
Connectivity
in the status bar.
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