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3. Touch > Saved networks.
4. Touch the Wi-Fi network name and then touch FORGET.
Adjust Advanced Wi-Fi Settings
1. Touch the Home Key > > Settings > Wi-Fi.
2. Touch > Advanced to adjust the following settings.
Network notification: Get notifications in the status bar
when Wi-Fi is on and an open network is available.
Scanning always available: Let Google’s location
service and other apps scan for networks even when
Wi-Fi is off.
Avoid poor connections: Only use Wi-Fi network when
the Internet connection is good.
Keep Wi-Fi on during sleep: Set whether to keep Wi-Fi
on in sleep mode.
Wi-Fi frequency band: Set the preferred frequency band
on the phone and the hotspot to avoid radio interference.
Install certificates: Install certificates needed for
connecting to certain Wi-Fi networks.
Wi-Fi Direct: Use the Wi-Fi Direct feature. See Using
Wi-Fi Direct.
WPS Push Button: Connect to a WPS network via the
push button method.
WPS Pin Entry: Connect to a WPS network via the
phone PIN method.
MAC address: Check the MAC address.