The issue is now resolved.

Engineers have brought 95% of the affected ranges back into service.

Engineers has brought 70% of the affected ranges back into service. Work is continuing to bring back the remaining traffic.

Services have been restarted and traffic is being brought back online in a controlled manner. Further updates to follow.

Roaming. The roaming element of the Jump MVNO service is currently experiencing issues which will affect customers attaching to a network whilst on roaming profile. UK profile is not affected.