About O2 Mobile
O2 Mobile Banking is a mobile banking solution offered as an option through Online Banking. This free solution allows Old Second National Bank customers to check balances, perform transfers between accounts, make...
O2 Mobile Banking is a mobile banking solution offered as an option through Online Banking. This free solution allows Old Second National Bank customers to check balances, perform transfers between accounts, make deposits, enter bill payments and check other basic account information.
Visit www.oldsecond.com for more details. Connectivity and usage rates may apply. Contact your wireless service provider for plan details.
Sep 5, 2019
Version 4.34.34
Minor bug fixes and performance improvements.
Previous Versions
Here you can find the changelog of O2 Mobile since it was posted on our website on 2025-05-03 02:53:44.
The latest version is 4.34.34 and it was updated on 2026-06-11 23:40:54. See below the changes in each version.
O2 Mobile version 4.34.34
Updated At: 2019-09-05
Changes: Sep 5, 2019
Version 4.34.34
Minor bug fixes and performance improvements.
Disclaimer
Official App Store Link
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