In order to further enhance telecommunication services quality, CTM will conduct the following upgrade projects in September 2025:
Date | Project Title | Affected service |
From 0:00 to 6:00 on 27th September 2025 |
Mobile Network System upgrade and maintenance | During the period, some CTM mobile customers may experience intermittent interruption when using VoLTE/VoNR, video call and data service, whereas other services will remain normal. |
From 0:00 to 6:00 on 28th September 2025
| During the period, some CTM mobile customers may experience intermittent interruption when using VoLTE/VoNR, video call, data call, SMS and online service application, whereas other services will remain normal. |
For enquiries, please contact CTM No 1 Hotline: 1000.
Thank you for your kind attention. We apologize for any inconvenience this may cause.
