Setting up your wifi router is not as tedious as you think.
A PIN code is generated automatically whenever WPS is enabled on a router. The WPS PIN can be found on the WPS configuration page. but in some cases, devices without a WPS button will ask for this PIN.

That is where this app comes in handy. Wps Wifi Connect Pin App is a simple and easy-to-use application that provides you with a list of all WPS pins for routers and modems. It's a complete offline app, so you can use it without an internet connection. This app provides linksys, hootoo, trendnet, dlink, tplink, zyxel, tenda, netis, asus, belkin, buffalo, netgear, medialink and securifi.