System Maintenance Schedule

Our system upgrade has been scheduled as follows. The affected services will not be available during those period.

Services Affected Date / Time
From To

CMB Wing Lung Personal NET Banking Services
CMB Wing Lung Phone Banking Services
CMB Wing Lung SME NET Banking Services
CMBWLB Wintech Mobile Banking Services

12 June 2023
12 June 2023


Regular Schedule
Services Affected Date Time
CMB Wing Lung NET Securities Services Monday to Saturday* 06:00 to 06:15
CMB Wing Lung NET Credit Card Services Monday to Friday* 01:00 to 02:30 (30 minutes)
02:30 to 03:30 (10 minutes)
CMB Wing Lung e-Statement Services First working day of the third week of the month 17:00 to 17:30 (30 minutes)
CMBWLB Wintech Mobile Banking services Monday to Friday* 07:00 to 08:00 (5 minutes)
Monday to Saturday 00:00 to 01:00 (5 minutes)
Sunday 08:00 to 09:00 (5 minutes)
EPS Services
PPS Services
Tuesday to Sunday 00:00 to 04:00 (90 minutes)


  • *except public holidays


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