Apple iOS

1. Tap on Settings
2. Tap on General
3. Navigate to and tap on "About"
4. Scroll down to "Wi-Fi Address"

Android Phone

1. On the Home screen, tap the Menu button and go to Settings.
2. Tap About Phone.
3. Tap Status or Hardware Information (depending on your model of phone).
4. Scroll down to see your WiFi MAC address.

Android Tablet

1. Press the Menu key and go to Settings.
2. Scroll down and tap About Tablet then tap Hardware Info or Wi-Fi Settings and then scroll down to view WiFi Mac address.