We have been advised of essential scheduled partner maintenance to upgrade core infrastructure. The window is as follows; Service Impact Start Time: 28/6/2017 02:00 Service Impact End Time: 28/6/2017 04:30 Impact Time Expected: 30 minutes Throughout the duration of this window, customers may see disruption of up to 30 minutes to their 3G/4G data services in the following areas: Ilford, Barking, Dagenham, Woolwich Thamesmead, Bexleyheath, East Ham, West Ham, Poplar, Stepney, Bow, Greenwich Deptford, Lewisham and surrounding areas. If you have any questions regarding this maintenance, please don't hesitate to contact our support team on 03333 400 999.