Connect to the Internet
The Internet connection for your PS4® system is normally enabled. To disconnect your PS4® system from the Internet, select 
(Settings) > [Network], and then clear the checkbox for [Connect to the Internet].
- When the Internet connection has been set up and enabled, your PS4® system automatically connects to the Internet when you turn on the system. An Internet connection is constantly maintained while your system is on or in rest mode.
- To disconnect from the Internet while in rest mode, select (Settings) > [Power Saving Settings] > [Set Features Available in Rest Mode], and then clear the checkbox for [Stay Connected to the Internet].