How to forget a Wi-Fi network on your iPhone, iPad, or iPod touch

This guide will show you how to forget the District's network. The directions and screenshots may appear differently based on your device and version of iOS.

1. Locate your Settings Icon we highlighted. It should be located on your Home Screen of your Apple iOS Device.
   
2. In Settings, find the "Wi-Fi" section. Press on the icon to bring up additional settings.
3. Tap the Wi-Fi network that you want your device to forget.
   
4. Tap "Forget This Network".
   
5. A prompt will appear to confirm forgetting the network. Select "Forget".

Additional information:

https://support.apple.com/en-us/HT208941