Firstly, Have you checked for “known network faults”?
As well as trying the “check service,” Area status webpage" (link at top right of this forum), also try the “free & automated” Service Status number - 0800 561 0061 - which usually tells you of more local issues down to postcode level. These may not be listed on the Area Status web page (Areas are not “Geographic” they are billing areas) as that usually only covers faults affecting 1000’s of customers) so phone may give you more info, but even that may not cover problems affecting a few customers.
Secondly, call it in as a fault at 08.00 and see what they say when they test your connection.
Finally, the SH1 belongs in a museum or a skip - try the "free" SH1/2/2ac upgrade/replacement scheme - see the link below - as they are trying to get everyone onto Hub3/4’s (there may be a small delivery charge).
It works first time for about 50% of customers, but if you get the - "Ooops - please call" message, then it usually means you are on an old package that the computer can’t recognise so they want to speak to you about it.
When you call it in, the agents will probably (unless you get lucky) know absolutely nothing about the scheme and say "oh no, that's an upgrade there will be an ctivation charge and it starts a new contract". Neither of those statements in correct - so just say no thanks and leave the call. You could try again on another day/time – different agent may have more knowledge
After that you could try texting on 07533 051809 - include account name/number and what the issue is and see what they say – replies may take a bit longer Finally, a VM person should pick this up here and sort the swap for you, but it can take a week or more for them to get here.
-------------------- John --------------------
I do not work for VM. My services: HD TV on VIP (+ Sky Sports & Movies & BT sport), x3 V6 boxes (1 wired 2 WiFi,) SH2 in modem mode with Airport Extreme Router +2 Airport Express's. On VIVID200, Talk Anytime Phone, x2 Mobile SIM only iPhones.