Android 101: How to 'forget' a Wifi network

Wifi is a godsend. It gives fast, cheap data to these little devices in our pockets, and hooking in is a breeze. All you usually need is a name and a password. There are times, however, that you might want to tell your phone to "forget" a Wifi network. Maybe you don't want it to connect automatically, which for me is the case once I've landed on a plane, or gotten within sight of a Starbucks, even if I'm not going inside.

So, it's time to remove a Wifi access point from your list. Here's how to do it.

source: androidcentral