*Update at 2PM: We just got word from a M1 spokesperson that the cause of the intermittent connectivity issues was due to a radio network controller that the telco was
upgrading upgraded. It affected some mobile customers in portions of Ang Mo Kio, Yishun, and Woodlands. Its engineers immediately began restoration works and full service was resumed by 9:15am.
M1 reported on its Facebook Page earlier this morning that some of its 3G customers were facing service difficulty in several parts of Singapore which include Yishun, Jurong, Woodlands and Choa Chua Kang.
In a post timed an hour ago, the telco stated that the 3G service issue has been resolved. However, some users are still facing connection issues on their mobile phones in other parts of Singapore such as Punggol, Hougang and Serangoon.
We contacted M1 and were told that the 3G service had indeed been restored. For customers who are facing service issues on their mobile phones, the telco advises that they switch off the phone before turning it on again.
At point of publication, we were told by the telco that the cause of the service outage remains unknown. We will update this section as soon as we have information. Stay tuned.
Source: M1 Facebook Page