Thanks for raising this with us.
The speed based on the screenshot that you've shared is 71.4 Mbps Download and 46.4 Mbps Upload. It appears to provide you a good connection speed.
Are you using a WiFi or a Wired connection? How many devices were connected when you tested the speed?
We'll organise a call back to be made from our Technical Team to assist you with the connection issue, @zbsk.
Let us know of your most convenient time to receive a call so in order for us to arrange a call back tomorrow, 18 June 2021.