In any case, if you face an error like wifi.wavlink.com not working all of a sudden while using the network. There can be a number of reasons behind this situation and several solutions as well. But, the easiest method to get the setup portal is the Wavlink app instead of that web portal. To access the portal, get the Wavlink app on your device from its official app store. Use the Google Play Store on your Android device or go to the Apple App Store if you are an iOS user. Once you are done with the app installation process, open it and do the login there. As a result, the setup portal will be accessible to you in this way.