Broadband speed issue

[Herix]

I have just installed Sky gigabit broadband yesterday. On the Sky's side I see 900mbit (600 promised) but on other sources I see no more than 20 mbit/s. It hinders my work greatly. Please advise on how to proceed.

[JimM1]

@Herix What are you doing to show the values you have? Help link below may help if doing wireless!

https://www.sky.com/help/broadband/my-broadband-speed/improving-wi-fi-signal-to-my-devices/articles/...