1. Navigate to the PS4 Menu then scroll over to Settings.

 

2. Go down to Network.
 

3. Then down to View Connection Status

 

4. Now you can see the MAC Address (Wi-Fi).

 

5. If you're trying to APU-MYDVICES, go back to the Network options after registering your device, then select Connect to the Internet and Use Wi-Fi.

6. Then select Easy then APU-MYDEVICES

7. Your PlayStation 4 should now connect to APU-MYDEVICES successfully!