A "Telenor .tnl" file is often associated with configuration files used in third-party VPN tunnel applications (like Open Tunnel or TLS Tunnel) to access free or specific internet packages. These files are not official Telenor files, but rather community-created configurations used for networking tricks.
To make sure you're using the right method, can you tell me: Download Telenor File tnl
This will help me give you more tailored, safer instructions. Mobilink and Telenor Internet Settings | PDF - Scribd A "Telenor
If it is not a config file, it may be an old, obsolete image thumbnail format. it may be an old
If you are looking for free internet browsing, using official methods is recommended: Use the My Telenor App to manage settings.