Icloud DNS bypass activation using iclouddnsbypass iOS 11 or latest. Apple made some changes to iOS 11 Captive Portal mechanism. The icloud dns bypass was not working on ios11.x but now the developers find a solution. iCloud DNS Bypass works even better with iOS 11.1. You can lock the device, and after unlocking continue from the same page. If you are using the latest iOS firmware, you can use again the icloud dns bypass captive portal.
New tutorial : iCloud Bypass DNS Server
Article link and tutorial : https://iosgeekblog.com/icloud-bypass-dns-server-tutorial/