2. Click on Network > Wireless (The menu option might be WiFi depending on the firmware):
3. This will bring up the Wireless Overview from here, find your WiFi Network SSID:
*In the image below the SSID is "ROOTer," yours might be different.
4. Click the Edit button on your WiFi Network:
5. This will bring up the WiFi Configuration Page. Scroll down to Interface Configuration:
6. To change the name (SSID) of your WiFi Network, edit the ESSID to your liking:
7. To change the password (Key) of your WiFi Network, click on the Wireless Security tab:
8. Change the Encryption to WPA-PSK/WPA2-PSK Mixed Mode
*You can set this to whatever you like. WPA2 is more secure, however the "mixed mode" helps ensure WiFi compatibility with older devices*
9. Leave Cipher set to Auto (unless you know what you're doing)
10. Click on the [ * ] button to reveal the WiFi Key:
*Sometimes this is a green "refresh" symbol (two arrows in a circle), depending on the firmware version*
11. Type in your desired WiFi Password in the Key field:
12. Once you've entered your configuration to your liking, click Save & Apply:
13. Wait for configuration to be applied
14. After applying changes, the Wireless Overview will reload with your new WiFi Configuration
*If you are making these changes over a WiFi connection, rather than over an ethernet connection, the page will not automatically reload (it will sit loading forever). Skip to step 15.
15. Verify that your new WiFi Network is broadcasting and connect to it with the Key you just created.
That's it! You're done :)