Forget a saved Wi-Fi network
You can forget a saved Wi-Fi network if you don't want your device to connect to it automatically. Forgetting saved networks that use a hidden SSID can also help preserve battery life.
- Swipe down from the top of the screen once using two fingers, or twice using one finger.
- Tap > Wi-Fi.
- If necessary, turn on the switch.
- Tap > Saved networks.
- Tap a network.
- Tap Forget.