VM site was down for maintenance and CLOUDFARE were also doing so in Manchester so anyone who uses them would have outages but not sure if that is what effected VM mobile as system may rely on it also.
MAN (Manchester) on 2023-04-04
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Apr 04, 2023 - 00:30 UTC
Scheduled - We will be performing scheduled maintenance in MAN (Manchester) datacenter on 2023-04-04
between 00:30 and 06:30 UTC. Traffic might be re-routed from this location, hence there is a possibility of a
slight increase in latency during this maintenance window for end-users in the affected region. For PNI / CNI
customers connecting with us in this location, please make sure you are expecting this traffic to fail over
elsewhere during this maintenance window as network interfaces in this datacentre may become temporarily
Check for any “known network faults in your location - Look in 2 places
1) Try the “check service,”Area status webpage (https://www.virginmedia.com/help/service-status)
2) Then also Try the “free & automated” Service Status number - 0800 561 0061 - which usually gives the most up to date info. and tells you of more local issues and fix estimates, down to street cab/ postcode level.
Report back what they state