How to use Personal Hotspot on your iPhone | Apple Support

You can utilize your iPhone’s Personal Hotspot feature to share its cellular data connection with other devices when Wi-Fi isn’t available. First, enable Personal Hotspot in Settings, then tap “Allow Others to Join” to make it shareable. Devices signed into your iCloud account will automatically detect your hotspot. To connect, navigate to Wi-Fi settings on the device and select your hotspot. If using a Mac, click the Wi-Fi icon and choose your hotspot. Enter the provided password if prompted. You can check connected devices in Control Center and disable Personal Hotspot when needed. For more tips, subscribe to the Apple Support YouTube channel.

Summary:
– Personal Hotspot on iPhone shares cellular data.
– Enable it in Settings > Personal Hotspot.
– Devices signed into iCloud can detect the hotspot automatically.
– Connect to the hotspot via Wi-Fi settings.
– Manage connected devices and disable hotspot in Control Center.