Android - Forgetting Your Preferred Wifi Network
Please follow the instructions below in order to "forget" your preferred wifi network and reconnect using your new username or password.
** YOUR ANDROID DEVICE MIGHT LOOK DIFFERENT FROM EXAMPLE **
1) Click Settings, then Wifi
2) Click on the specific wifi network you want to "forget".
3) A window will popup - please select "forget".
4) Then, please see this article to reconnect using your new username and password: