Where do I find the Wi-Fi MAC address in my Samsung Galaxy Ace Plus?

Note: the photos used below are of the Galaxy S II but the instructions below apply broadly across Samsung smartphones and tablets running Android versions 2.0 - 4.0.

1. From the standby screen, tap Applications.

2. Select Settings.

3. Select About phone.

4. Select Status.

5. Scroll down to Wi-Fi MAC address.