Genexis

On a Genexis router it can be found on a label on the front of the router and is labelled "WPA Key" or "WPA-PSK". Make sure you enter it in UPPER CASE exactly as shown and don't confuse Z with 2, an S with 5 or a B with 8 etc.

Nokia

There is a label on the base of your Nokia router that shows the SSID (Wi-Fi network name) and WiFi Key (Wi-Fi password). Make sure to enter it exactly as shown.
 

Zyxel 

On a Zyxel router, the Wi-Fi password can be found on a card or label on the rear of the router and is labelled "Wireless key". Make sure you enter it in UPPER CASE exactly as shown and don't confuse Z with 2, an S with 5 or a B with 8 etc. The Zyxel routers have a QR code on the card or label which a modern smartphone or tablet should be able to scan with its camera and add the device to the Wi-Fi network.