Notification of system maintenance scheduled.
- Saturday, 12 September 2026 from 06:00 a.m. to 10:00 a.m.
The following services will be temporarily unavailable:- Service – Onshore fund transactions via UOB Mobile Banking (UOB TMRW)
- Friday, 18 September 2026 from 08:00 p.m. to Saturday, 19 September 2026 at 08:00 a.m.
The following services will be temporarily unavailable:- UOB Business Internet Banking (BIBPlus)
- UOB Infinity Digital Banking (IDB)
- Cash Management System (CMS)
- Sunday, 20 September 2026 at 11:00 p.m. to Monday, 21 September 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
- Saturday, 26 September 2026 at 11:00 p.m. to Sunday, 27 September 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
- 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, 18 October 2026 at 11:00 p.m. to Monday, 19 October 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
- 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










