...

iOS

1. Open the Settings app, then select Personal Hotspot. If this is option is not visible in this screen select Mobile Data (In iOS 10 or later. In some older versions of iOS you just select Mobile) then select Personal Hotspot.
2. Set Personal Hotspot to on. (Tap the slide so it turns green).   
3. If Wi-Fi and/or Bluetooth are off, iOS will ask if you want to turn them back on, select yes.
4. Tap Wi-Fi Password and enter a suitable password.
5. The name of the hotspot is shown under the Personal Hotspot button you turned on in step 2.           
6. Go to Wi-Fi settings menu on the TouchOne.
7. Locate and select the network you have just created.
8. Enter the password you set.
9. You should now be connected to the hotspot.

...