In order to further enhance telecommunication services quality, CTM will conduct the following upgrade projects in June 2023:
| Date | Project Title | Affected service | 
| 
 From 0:00 to 06:00 on 25th June 
 | 
 Mobile Network System upgrade and maintenance | During the period, some CTM mobile customers may experience intermittent interruption when using SMS, Voice call, Video call, USSD and Call forwarding service, 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.

 
  
 