Why is my phone not connecting problem?
Why my network connection won’t hook up on my iPhone
iPhone 11 Pro Max, iOS 16
Question marked as
If Wi-Fi will not connect
· Reset the router to factory settings (menu or paper clip)
· On iphone Settings, General, Transfer iphone or reset, reset, reset network settings
· If you have a VPN you are strongly recommended to uninstall it and its profile in Settings, General, VPN and device management
Here's some more steps you can try for Wi-Fi connection issues that may be helpful if your phone will not connect to WiFi
If your iPhone, iPad or iPod touch won't connect to a Wi-Fi network – Apple Support (UK)