MacBook is only device that connects but has no internet when using my iphone hot spot

System Preferences > Network > Wi-Fi > ...

then click (advanced) and choose the DNS pane. if you don't have your preferred DNS numbers handy, you can use these from OpenDNS. (There are others if you prefer others, including the ones provided by your ISP)

...

if you find that already populated with Zeroes, that does not work. If you find your router's local IP address (like 192.168.1.1 that does not work because your Router is bypassed and you are going direct to cellular. If you find other numbers, those DNS servers may not be working properly. Sometimes your cellular DNS numbers need to be different from your local through-your-Router DNS numbers.

Launch a browser and enter this easy to remember all-numeric IP address:

1.1.1.1     and press return.

If you get the CloudFlare** splash page, your internet is working, but DNS lookup may not be working.

**CloudFlare is NOT part of the solution, they just own the easiest to remember all-numeric IP Address that always answers.

On the Mac, open System Settings, click Wi-Fi, select your iPhone connection, click Details, click TCP/IP and check that "Configure IPv6" is set to "Automatically".

Hidden network that means it has settings that keeps it from advertising itself as a generally-available Wi-Fi Network. That is sort of what you expect -- you do not want just anybody to attempt to connect to it, its YOURS.

that DNS number fe80:: 1494:6cff:fe52:3c64 is an IPv6 number. it MIGHT be useful on your network, but generally does nothing for you on the Open internet.

if you don't have numbers you prefer, just delete that and put in the OpenDNS numbers in that pane. Then close the pane and save changes, as these panes are notorious for not activating changes until you do so.

Same Apple-ID for phone and Mac? that appears to be a requirement, shown here:

Use an iPhone or iPad to connect your Mac to the internet - Apple Support

.

if you are not getting success talking about this with other Mac users here, you really may need official Apple support.

They can read what you have posted here if you give them your avatar or a link. Apple support does NOT accept our conclusions at face value, they have their own more rigorous processes.

But the first responders are NOT as well trained technically as are many Readers here, and you WILL need to Be Assertive and ask for a specialist if they cannot immediately solve the problem. Do not let them tell it is fine if it is not fine.

Official Apple Support

.

that first one is one of google DNS. the other is 8.8.4.4

that 1.1.1.1 is CloudFlare.

those are rock solid and should be providing access to web sites by name.

Is your system time correct within five minutes?

http://time.is

.