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 |
| 25-Aug | KwunTong, WongTaiSin |
| 26-Aug | Yau Tsim, Mong Kok, Shamshuipo, Kowloon City, Wong Tai Sin, Kwun Tong |
| 27-Aug | MTR, ShaTin, TaiPo |
| 2-Sep | Central & Western, Wanchai & Causeway Bay, MTR, Eastern, South |
| 8-Sep | Southern, KwaiTsing, MTR, Northern, HK Art Museum, WKCDFreeSpaceIRS, HKCulturalCentre, HKColiseum, ShaTinRaceCours, Office Development, CUHK MedicalCentre, Ocean Park Water World |