The banks that announced maintenance works include: PKO Bank Polski, Erste, ING Bank Śląski, mBank, VeloBank, Nest Bank and Toyota Bank.
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PKO BP and Erste will turn off services at night
The largest Polish bank, PKO BPplanned for Sunday technical break. At from 01/01 to 06/00, websites and the mobile application will be completely unavailable.
“Card payments will work without disruptions. As part of the protection of online 3D-Secure card payments, only authorization with an SMS code and card PIN will be available,” says PKO BP. The institution also encourages you to complete all important transactions in advance.
On the other hand Erste (formerly Santander) will carry out technical modifications already on the night from Friday to Saturday (between 11 p.m. and 7.30 a.m.). During this time, customers will not use online banking, Blik, Przelew24 fast payments or any transfers (including immediate Express Elixir). From The Erste currency exchange office will also be closed at 9 p.m. on Friday, and the mobile application will be closed until 3.00 will only work in limited mode (balance and history preview). Fortunately, cards in stores and ATMs will be active.
Saturday's difficulties for investors in ING and mBank
Saturday, May 23, will be marked by restrictions for people playing on the stock exchange. Technological works will be carried out at ING Bank Śląski from 8.00 a.m. to 8.00 p.m.
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“The Broker module in Moje ING will be unavailable. We apologize for the inconvenience,” the institution said.
He takes a similar step mBankwhich will also cut off customers from financial markets on Saturday. Development works are planned there from 7:00 a.m. to 3:30 p.m. “You will not log in to the eMakler, mInwestor transaction services and the mBank Giełda application” – warns the bank.
Double hit at VeloBank and Nest Bank
VeloBank planned the break in two stages. The first one will last from Friday evening (from 11.30 p.m.) to Saturday morning (until 8.40 a.m.), and another on Sunday from midnight to 8.00 a.m. Customers they will not log in to their accounts and will not order transfers, but payments by plastic card, phone and watch in stationary stores will remain active. – Remember that in case of any problems, our hotline is open 24 hours a day, seven days a week and is ready to help – reminds the bank.
The situation in… is exceptionally complicated Nest Bank. On Saturday, from 0:00 a.m. to 7:00 a.m., the application and online banking will be completely dead. The following will be excluded: Blik and Visa Mobile payments. On the other hand on Sunday, from 8.00 a.m. to 1.00 p.m., the 3D Secure system will not work at Nest Bank, which will prevent, among others, paying by card online. You will also not be able to change limits, view card details or assign a PIN code. However, during the Sunday service window, online purchases can be made using Blik.
Toyota Bank closes on Sunday afternoon
Toyota Bank will also close technical works. on Sunday, On May 24, 2026, from 7:00 a.m. to 4:00 p.m., banking systems will be modernized.
“During this time, you may have limited access to the Electronic Banking System, authorization of card payments and so-called quick payment services,” says the message to customers.
