Why can’t I connect to my personal hotspot
Why can’t I connect to my personal hotspot
iPhone 6, iOS 11
See the following Apple articles:
How to set up a Personal Hotspot on your iPhone or iPad
How to set up a Personal Hotspot on your iPhone or iPad - Apple Support
Call your carrier or stop by and ask them to make sure that you can use Personal Hotspot with your plan.
If Personal Hotspot is not working on your iPhone or iPad (Wi-Fi + Cellular)
If Personal Hotspot is not working on your iPhone or iPad (Wi-Fi + Cellular) – Apple Support (UK)