Oz776 SmartCard Reader Driver 2.1.4.207
by O2MicroWindows 108.18764-bitSHA-256 verified
- Manufacturer
- O2Micro
- Device
- Oz776 SmartCard Reader
- Driver version
2.1.4.207- Release date
- February 14, 2011
- Supported Windows
- Windows 10, Windows 8.1, Windows 8, Windows 7
- Architecture
- 64-bit (x64)
- File size
- 61 KB
- File name
20411457_e4cc8bd4389feafa2436779bad32bf4601592b0a.cab- Digital signature
- Signed - catalog
oz776x64.cat - INF version
02/14/2011,2.1.4.207- INF provider
- O2Micro
- Device class
- SmartCardReader
- Source
- Microsoft Update Catalog
- Last verified
- July 8, 2026
- SHA-256
773d8d6a1f6ce0f428cac461690ae4b3fb543ddd0e623b8ed0c5a6c517b22042
Supported hardware IDs (2)
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, Windows 8.1, Windows 8, Windows 7) 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).