Manx Telecom's attempts overnight to fix a widespread problem with broadband access have not been successful.This morning the company tweeted: 'Manx Telecom and Nokia engineers have worked through the night on a hardware upgrade to the network.'We regret this was not successful and we continue to work to restore service.'Manx Telecom apologised to customers after a fault left then without broadband access.

Some 4,000 business and domestic customers across the island have been affected by the service outage which happened at 5pm on Monday night.Some additional customers in the west and north of Douglas (including North Douglas, Onchan, Laxey, Ramsey, Sulby, Peel, St John's and Kirk Michael) lost services temporarily as a result of a hardware switch overnight last night.Manx Telecom said these customers are now being brought back online and it expected about 4,000 customers will remain affected through the original outage.A spokesman said: 'At the present time the root cause of the problem has not yet been identified but we are working with our partners Nokia to understand exactly what has happened and how to restore services as soon as possible.'The broadband system is complex and the fault is also intermittent in some places so this has made it difficult to pinpoint the exact failure but we have a number of experts from Nokia helping us to assess the situation.'She added: 'We apologise to all our home and business customers who have been affected by this incident.'Please be assured we are treating the situation with the highest priority and are doing our best to resume normal service as quickly as we can.'Given the extraordinary circumstances, Manx Telecom said it would provid affected broadband customers with access to unlimited mobile data.Customers will be able to request a refund of unusual excessive data charges accrued over the period of the outage.Manx Telecom is also opening up a customer support hub at its headquarters and offering emergency mobile data SIM cards to those in ‘critical need’.Meanwhile, Sure has announced it is adding an extra 1GB of data a day to its contract customers’ accounts for the duration of the outage. Chief executive Mike Phillips said: 'We appreciate this is a difficult situation especially for those people working from home, so we want to support our customers as much as possible.'We’re committed to putting customers first and we hope these measures can keep Manx residents connected until the matter is resolved.'