Try selecting UDP and use the Wizard button to find the fastest available server for your location.
If you do not have a .cfg file, you can manually configure the app for the Jazz network: Download Jazz Your Freedom cfg
Select (or Manage Config depending on the version). Try selecting UDP and use the Wizard button
Configuration files for Jazz are typically shared within community forums or tech groups. While specific "free internet" files may change frequently, they generally include: Often set to UDP or DNS . Download Jazz Your Freedom cfg