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You can use your phone to create an Internet connection from e.g. a laptop. Follow these instructions to use the phone as hotspot.
You can only use pre-installed data connections for this function. You need to restore the data connections if they have been deleted.
Furthermore, Wi-Fi needs to be deactivated on your phone.
Find "Mobile AP settings"
Find the list of available Wi-Fi networks.
Select your phone on the list.
Key in the required access code and establish a connection to the phone.
When the connection is established, you can access the Internet from the other device.