Scheduled System Upgrade on October 10

09/Oct/2026

aba system upgrade 2026 en

Update as of 7:45 AM on October 11: Dear customers, we are pleased to inform that our ABA Mobile and ATM/Cards services have been successfully upgraded.

Thank you for your patience and for banking with ABA.


Dear customers, ABA Bank will be performing a scheduled upgrade of ABA Mobile and ATM/Cards network from 11:00 PM on Saturday, October 10, to 7:00 AM on Sunday, October 11. This upgrade significantly improves the performance, security, and reliability of our services you rely on every day.

We encourage you to make all necessary transactions before 11:00 PM on October 10. We will announce here once our services are fully restored.

For more information on this scheduled upgrade, call us at 1 800 203 203 (toll-free inside Cambodia), +855 98 203 333 from abroad, or email us at info@remove-this.ababank.com

Thank you for banking with us.

FAQ

When will the upgrade start and end?

The planned system upgrade will begin at 11:00 PM on 10 October 2026 and is expected to be completed by 7:00 AM on 11 October 2026.

How do I know when the service is available?

The successful completion of the upgrade will be announced on our official website and social media channels.

Will my account and personal information remain secure during the upgrade?

The upgrade doesn’t affect accounts or personal information of our customers in any way. During the upgrade, you can still view your accounts, balances, and transaction history via ABA Mobile.

Can I use ATMs or other self-banking machines during the upgrade?

No. Self-banking services will be temporarily unavailable until 7:00 AM.

Can I use my card to make payments during the upgrade?

No. Card transactions, including merchant purchases and online payments, will be temporarily unavailable until 7:00 AM.

Can I transfer or receive money during the upgrade?

No. Incoming and outgoing transfers will not be processed during the upgrade period. We therefore encourage customers to complete any necessary transactions before 11:00 PM on 10 October.

What should I do if I need to make an urgent transaction during the upgrade period?

We ask customers to complete all urgent transactions before 11:00 PM on 10 October or contact our Contact Center for assistance.

What will happen if I have an ongoing/scheduled transaction when the upgrade starts?

All transactions scheduled for October 10 or 11 will be processed as usual. You can check the status of the scheduled payment with ABA Mobile after 7:00 AM on 11 October.

Will my previous transactions be affected by the upgrade?

No. Transactions completed before the upgrade period will remain unaffected.

Will my account balance, transaction history, and other information remain unchanged after the upgrade?

Yes. Your account balances, transaction history, and account records will remain unchanged following the upgrade.

I am expecting payment to my ABA account. Will I receive during the upgrade?

If the payment was sent before 11:00 PM on 10 October, you will receive it as usual. Between 11:00 PM and 7:00 AM, customers will not be able to receive payments or transfers.

Can I still contact the hotline for assistance during the upgrade?

Yes. The ABA Contact Center will remain available throughout the upgrade period.

Do I need to update or reactivate my mobile app after the upgrade?

No. Customers can continue using ABA Mobile as usual once the upgrade is completed.

Do I need to do anything after the upgrade is completed?

No. Services will resume automatically, and customers can continue using ABA services as usual.