Remove Wi-Fi Connection - Samsung Galaxy S® III mini
-
From a home screen, tap Apps
(located in the lower right). - From the Apps tab, tap Settings.
- Tap Wi-Fi.
-
Tap the appropriate Wi-Fi network.
If not available, ensure Wi-Fi is enabled 
(located in the upper right). - Tap Forget.
(located in the lower right).
If not available, ensure Wi-Fi is enabled 
(located in the upper right).
Related Topic: Add Wi-Fi Network