O2 Micro Memory Card Reader Driver Driver 3.0.8.57
by Dell8.18732-bit64-bit
- Manufacturer
- Dell
- Device
- O2 Micro Memory Card Reader Driver
- Driver version
3.0.8.57- Release date
- July 31, 2025
- Supported Windows
- Windows 8.1, Windows 8, Windows 7
- Architecture
- 32-bit (x86), 64-bit (x64)
- File size
- 22.0 MB
- Source
- Dell official catalog
Supported hardware IDs (12)
- PCI\VEN_1217&DEV_8621
- PCI\VEN_1217&DEV_8420
- PCI\VEN_1217&DEV_8520
- PCI\VEN_1217&DEV_8620
- PCI\VEN_1217&DEV_8320
- PCI\VEN_1217&DEV_8321
- PCI\VEN_1217&DEV_8220
- PCI\VEN_1217&DEV_8331
- PCI\VEN_1217&DEV_8330
- PCI\VEN_1217&DEV_8221
- PCI\VEN_1217&DEV_8230
- PCI\VEN_1217&DEV_8231
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 8.1, Windows 8, Windows 7) and architecture (x86, 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 Dell official catalog.
- Run the downloaded installer and follow its steps. Reboot if the installer asks for it.
- 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).