Unable to connect to WIFI in iOS 17.4

Hi, I’m not an expert but I found that the VPN was flashing on my phone. It is was connected to McAfee and when I deleted the mcafee app the internet problems went away.

perhaps deleting the VPN may help.

See this article.

If your iPhone or iPad won't connect to a Wi-Fi network - Apple Support

Same here didn’t work and VPN constantly switching on/off every half second.

iPhone 13 Pro Max.