Notification of system maintenance scheduled.
- Saturday, 31 October 2026 at 07:00 a.m. to 09:00 a.m.
The following services will be temporarily unavailable:- Service – Onshore fund transactions via UOB Mobile Banking (UOB TMRW)
- Monday, 2 November 2026 at 00:00 a.m. to 05:00 a.m.
The following services will be temporarily unavailable:- ATM machine, 3 in 1 machine (All functions)
- PromptPay Inbound – Outbound: Cross bank Fund transfer and Bill payment transactions via all channels (UOB Mobile Banking (UOB TMRW)/ UOB Personal Internet Banking (PIB) /ATM), including PromptPay API outgoing payments (API payments to other banks)
- UOB Business Internet Banking (BIBPlus)
- Saturday, 14 November 2026 at 08:00 p.m. to 09:00 p.m.
The following services will be temporarily unavailable:- Cash Management System (CMS)
- Saturday, 14 November 2026 at 10:00 p.m. to 11:00 p.m.
The following services will be temporarily unavailable:- Electronic Payment and Electronic Guarantee (EPG)
- Sunday, 15 November 2026 at 00:00 a.m. to 07:00 a.m.
The following services will be temporarily unavailable:- ATM machine, 3 in 1 machine (Deposit, Withdraw, Passbook Update)
- All Card Types (Credit, Debit & Cash Plus) usage via all ATM machines
- PromptPay Inbound – Outbound: Cross bank Fund transfer and Bill payment transactions via all channels (UOB Mobile Banking (UOB TMRW)/ UOB Personal Internet Banking (PIB) /ATM), including PromptPay API outgoing payments (API payments to other banks)
- Sunday, 15 November 2026 at 11:00 p.m. to Monday, 16 November 2026 at 07:00 a.m.
The following services will be temporarily unavailable:- ATM machine, 3 in 1 machine (Deposit, Withdraw, Passbook Update)
- All Card Types (Credit, Debit & Cash Plus) usage via all ATM machines
- UOB Personal Internet Banking (PIB)
- UOB Mobile Banking (UOB TMRW)
- UOB Business Internet Banking (BIBPlus)
- UOB Phone Banking
- Online Card Services and E-commerce transaction via debit/credit card
- UOB Bill Payment & UOB ePayment
- API channel










