There are certain assumptions about using this feature. First, you need to have a cellular capable iPad. Second, you will need a computer to connect to your iPad hotspot.
A hotspot “refers to the Internet-sharing feature on iPhone 3GS or later, iPad (3rd generation) Wi-Fi + Cellular or later, and iPad mini Wi-Fi + Cellular.” You can read more in the knowledge base article from Apple.
To turn on the personal hotspot feature, tap settings.
Then, tap Personal Hotspot and slide the feature to the on position.
Once Hotspot is turned on, you will see the name of your iPad below the on switch and a password for you or other users to access your Hotspot from a device like your computer.
You can change the password by tapping on Wi-Fi Password and typing in another one.
Next, you will need to connect your computer to your iPad hotspot.
There are 3 ways to do this: Wi-Fi, Bluetooth or USB.
Wi-Fi
Make sure your iPad and your computer are on the same Wi-Fi network and look for your iPad from the list of network services in your settings. (On a Mac – System Preferences > Network)
Bluetooth
Pair your iPad with your computer by clicking on the Bluetooth icon in the menubar or accessing Bluetooth in system preferences. Choose the iPad from the Bluetooth setup.
USB
Plug your iPad into your computer using the USB cable. In network services in your settings, choose the iPad. (On a Mac – System Preferences > Network).
Open your browser or Mail app on your computer and surf the web.
Disconnecting Devices
You can disconnect users by turning off Personal Hotspot, unplugging your device, or turning off Bluetooth.
Keep in mind, you will be using up data on your data plan…So, don’t watch too many videos.
iPad Notebook 
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