1. Find "Portable Wi-Fi hotspot"
2. Edit settings
3. Enter the Wi-Fi hotspot name
4. Select security settings
Press WPA2 PSK.
5. Activate the Wi-Fi hotspot
6. Establish a connection
Find the list of available WLANs.
Select your mobile phone on the list.
Key in the password you selected in step 4 and establish a connection to your mobile phone.
When the connection is established, you can access the Internet from the other device.