I installed the DN device and my speed changed from 300Mb to 4 Mb.
Then I did what you write and it turn from 4Mb to 80Mb, so it's change to an acceptable speed.
I want to know if it is possible to reach my normal speed (300MB in this case)
Other changes that I did, because of different feedbacks are the following:
... You can delete the tunnel in your current country or region... I delete my region (Argentina)
Security > Web Filter > Default Config = All Rules Enabled
DPN > Mode = DPN Smart Route
DPN > Tunnels =
North Europe: United Kingdom of Great Britain and Northern Ireland
East Asia: Japan
East Asia: South Korea
North America: United States
Australia & New Zealand: Australia
South Europe: Spain
North America: Canada