CSL System Maintenance and Schedule

 

4G Services will be affected during 02:00-04:00, actual outage time less than 15 mins

Date Affected Area
27-Aug-2025 Tuen Mun, Yuen Long, Northern
2-Sep-2025 Sai Kung, Tai Po, Shatin 
4-Sep-2025 Kwai Tsing, Tsuen Wan, Islands
9-Sep-2025 Yau Tsim, Mong Kok, Shan Shui Po
11-Sep-2025 Kowloon City, Wong Tai Sin, Kwun Tong
16-Sep-2025 Central, Western, Wanchai, Causeway Bay
18-Sep-2025 MTR, Eastern, South

 

3G & 4G Services will be affected during 02:00-04:00, actual outage time less than 15 mins

Date Affected Area
9-Sep-2025 HK island North, New Territories North, TuenMun, YuenLong, TsuenWan North, Taipo and Shatin
11-Sep-2025 ShamShuiPo
18-Sep-2025 TuenMun, KowloonCity
23-Sep-2025 Southern, KwaiTsing
25-Sep-2025 KwunTong, Shatin
30-Sep-2025 MTR, Northern
9-Oct-2025 MTR, Island, Southern
14-Oct-2025 SaiKung, ShaTin
16-Oct-2025 Central West, TaiPo, WongTaiSin
21-Oct-2025 KowloonCity, MongKok
23-Oct-2025 KwaiTsing, YauTsim
28-Oct-2025 Central West, Eastern
4-Nov-2025 TsuenWan, WanChai
13-Nov-2025 Island, YuenLong
18-Nov-2025 KwunTong, ShamShuiPo