If you are using Apple eSIM, yes, you can use the Personal Hotspot function.
If you are using a GigSky plastic SIM card, then you can't use the Personal Hotspot function, due to local carrier limitations.
iPhone & iPad with eSIM
- Go to Settings > Personal Hotspot
- Set Allow Others to Join to ON.
- Follow the instructions on the screen to allow other devices to connect to the internet using your iOS device.
If you have any further questions, please contact GigSky Support at support@gigsky.com