Sony Xperia1 IV User Manual page 215

Handset is connected.
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.

6/12
Wi-Fi／Bluetooth