@Liverpoolguy
thank you for the contribution
>... Any ideas please?...
to be able to provide targeted assistance, please indicate:
- TV-Box model: Swisscom Box 21, Swisscom Box, UHD TV-Box, other?
- router model: Internet-Box 3, Internet-Box 2, other?
- TV-Box connection mode to the router: Ethernet cable, WLAN, connection Kit, other?
- speed of the flow available on the home network?
with these indications several hypotheses on the origin of the problem can be put forward and possible solutions tested