Set up Instant Hotspot
Use Instant Hotspot with any Mac, iPhone, iPad, or iPod touch that meets the Continuity system requirements. It works when your devices are near each other and set up as follows:
- Your iPhone or iPad (Wi-Fi + Cellular) has an activated carrier plan that provides Personal Hotspot service.
- Each device is signed in to iCloud with the same Apple ID.
- Each device has Bluetooth turned on.
- Each device has Wi-Fi turned on.
Use Instant Hotspot
To connect to your Personal Hotspot from your Mac, click Wi-Fi 
in Control Center 
or the menu bar, then choose the name of the iPhone or iPad providing your Personal Hotspot 
.
To connect to your Personal Hotspot from another iPhone or iPad, go to Settings > Wi-Fi, then tap the name of the iPhone or iPad providing your Personal Hotspot .
If you're asked for a password when connecting, make sure that your devices are set up as described above.
The Wi-Fi status icon changes to the Personal Hotspot icon as long as your device remains connected to your Personal Hotspot.
