M1 issues statement on mobile network service incident on 4th February 2014

M1 officially acknowledged that it encountered mobile network issue since around 7am and  lasted till 12:15pm. It mentioned that because of the complexity of their upgraded mobile network, they had to troubleshoot numerous interlinked network entities. I think this explanation will not go well with the consumers. They should just say it in layman’s term instead of these sentences. Anyway, there will be a full investigation report later. You can read the media statement below.

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Media Statement

M1 mobile network service incident

SINGAPORE, 4 February 2014 – At about 7:00am today, our customers began experiencing difficulties making voice calls on our mobile network. Some customers were also unable to send and receive SMS or access mobile data, intermittently.

We immediately focused our efforts to restore services expeditiously. However, the complexity of the network required us to troubleshoot the numerous interlinked network entities. This systematic process was necessary to ensure effective restoration of services. Full service was restored at 12:15pm.

M1 has recently made significant investments to upgrade our mobile network by incorporating several new network entities and advanced software features. This has increased the complexity of the mobile network.

Our preliminary investigations suggest that a call processing software issue had unexpectedly prevented our customers’ devices from registering on the mobile network. A full investigation will be performed to determine the root cause of the incident.

“We are sorry for the inconvenience caused to our customers. We take this incident very seriously, and in addition to our own investigation, we will be appointing an independent expert to conduct a network architecture and connectivity review,” said Ms Karen Kooi, Chief Executive Officer, M1 Limited.

Ms Kooi added: “We appreciate our customers’ understanding, patience and support, and we would like to offer our customers one day of free local mobile calls, local SMS and MMS this Sunday as a goodwill gesture.”

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