CSL System Maintenance and Schedule
3G, 4G and 5G Services across Hong Kong will be affected during 02:00-04:00, actual outage time less than 15 mins
| Date | Service Affected |
| 23-Jul | Southern, KwaiTsing |
| 28-Jul | KwunTong, WongTaiSin |
| 30-Jul | MTR, ShaTin, TaiPo |
| 4-Aug | MTR, Northern, TusenWan |
| 6-Aug | Eastern, SaiKung |
| 11-Aug | Central West, KowloonCity |
| 13-Aug | Island District, MongKok |
| 18-Aug | YuenLong, YauTsim |
| 20-Aug | ShamShuiPo, WanChai |