Q: what is personal hotspot in iphone 5s?

Personal Hotspot lets you connect your computers and devices to the Internet using the cellular data connection on your device.

To use this feature, enable Personal Hotspot on your cellular data plan. Contact your carrier for information and pricing.

copied from iOS: Understanding Personal Hotspot

If Personal Hotspot is not showing up on your phone, it might not be included in your carrier plan.

If you are experiencing issues using Personal Hotspot, try the following troubleshooting steps:

Basic troubleshooting

1. Confirm that your iOS device, computer, and wireless plan all meet the system requirements for Personal Hotspot.
2. Verify that Personal Hotspot is enabled by tapping Settings > General > Cellular > Personal Hotspot.
3. Verify the Internet connection on your iOS device by tapping Safari and loading a new webpage.
4. If one connection type doesn't work, try another (for example, instead of connecting using Wi-Fi, try using USB or Bluetooth).
5. Try disabling and reenabling Personal Hotspot from Settings > Personal Hotspot or Settings > General > Cellular > Personal Hotspot.
6. Install the latest version of iOS. Tap Settings > General > Software Update.
7. Reset network settings by tapping Settings > General > Reset > Reset Network Settings.
8. If none of the previous steps resolves your issue, restore the iPhone.

copied from iOS: Troubleshooting Personal Hotspot