How to reset router to wpa2
How to rest router to wpa2 on iPad Air
iPad Air, iPadOS 14
Question marked as
Top-ranking reply
Your router may have come with a manual which would tell you how to change settings. You can also search the web for directions for your make and model router. If the router is part of your ISP service, you can contact them. These are Apple's recommendations for secure settings...
Recommended settings for Wi-Fi routers and access points - Apple Support