OZ776 CCID Smartcard Reader Driver 2.11.4.261
by O2MicroWindows 1064-bitSHA-256 verified
- Manufacturer
- O2Micro
- Device
- OZ776 CCID Smartcard Reader
- Driver version
2.11.4.261- Release date
- June 2, 2023
- Supported Windows
- Windows 10
- Architecture
- 64-bit (x64)
- File size
- 65 KB
- File name
be8aaf59-6007-446e-967b-686abcaef0a2_935ee62c50c09c0ac04cf073f8ec395b7601c874.cab- Digital signature
- Signed - catalog
oz776x64.cat - INF version
06/02/2023,2.11.4.261- INF provider
- O2Micro
- Device class
- SmartCardReader
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
de3f140a79740e4a71724f58ceb212e88693622f797a5b1e4287534f67331d27
Supported hardware IDs (1)
Compare with your device: Device Manager → right-click the device → Properties → Details → Hardware Ids. If one of the values above matches, this driver supports your hardware.
How to install
- Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
- Verify compatibility: your Windows version (Windows 10) and architecture (x64)must match this driver, and your device's Hardware ID should appear in the list above.
- Download the file using the button - it comes directly from Microsoft Update Catalog.
- Optionally verify the checksum: open PowerShell, run
Get-FileHash your-download.cab -Algorithm SHA256and compare with the SHA-256 above. - Extract the .cab archive: right-click → Extract All, or run
expand -F:* file.cab C:\driver\in Command Prompt. - Install via Device Manager: right-click your device → Update driver → Browse my computer → point to the extracted folder. Alternatively run
pnputil /add-driver C:\driver\*.inf /install. - Check Device Manager: the device should show no warning icons, and the driver version should match.
How to roll back
If the device stops working after the update: Device Manager → right-click the device → Properties → Driver tab → Roll Back Driver. If the button is greyed out, use the restore point from step 1 (Start → "Recovery" → Open System Restore).
Other versions of this driver
| Version | Released | Source |
|---|---|---|
| 2.11.4.255 | August 23, 2022 | Microsoft Update Catalog |
| 2.11.4.250 | November 1, 2021 | Microsoft Update Catalog |
| 2.11.4.249 | August 19, 2021 | Microsoft Update Catalog |
| 2.1.4.248 | June 8, 2020 | Microsoft Update Catalog |
| 1.1.4.247 | July 25, 2019 | Microsoft Update Catalog |
| 2.1.4.247 | July 25, 2019 | Microsoft Update Catalog |
| 2.1.4.245 | June 4, 2019 | Microsoft Update Catalog |
| 1.1.4.245 | June 4, 2019 | Microsoft Update Catalog |
| 2.1.4.245 | November 22, 2018 | Microsoft Update Catalog |
| 1.1.4.245 | November 22, 2018 | Microsoft Update Catalog |
| 2.1.4.245 | May 22, 2018 | Microsoft Update Catalog |
| 2.1.4.244 | December 6, 2017 | Microsoft Update Catalog |