Online Banking Service Maintenance     Announcement: Dear customers, Personal Internet Banking, UOB Mighty app & UOB TMRW app will be temporarily unavailable from 00:00am to 8:00am on 21 Jun 2025 for scheduled maintenance. We apologize for any inconvenience caused.     Copyright © 2022 United Overseas Bank Limited Co. Reg. No. 0314922220. All Rights Reserved.