DriverCove

Mediatek Inc. Bluetooth Driver Update (1.1146.0.605) Driver 1.1146.0.605

by MediaTekWindows 11ARM64SHA-256 verified

Manufacturer
MediaTek
Device
Mediatek Inc. Bluetooth Driver Update (1.1146.0.605)
Driver version
1.1146.0.605
Release date
May 25, 2026
Supported Windows
Windows 11
Architecture
ARM64
File size
4.3 MB
File name
b8775964-5f9d-46a4-a72f-c2926a4b3e10_57dbc7d2bd74fe883ddc83f4e471df76e47f0626.cab
Digital signature
Signed - catalog mtkbtfilter.cat
INF version
05/25/2026,1.1146.0.605
INF provider
Mediatek Inc.
Device class
Bluetooth
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
53ddeee8a25b36b210ab3483e67aae00dab1d84eb955a1ec48c850c785a19cbb

Supported hardware IDs (44)

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

  1. Create a restore point(Start → "Create a restore point" → Create), so you can roll back if anything goes wrong.
  2. Verify compatibility: your Windows version (Windows 11) and architecture (arm64)must match this driver, and your device's Hardware ID should appear in the list above.
  3. Download the file using the button - it comes directly from Microsoft Update Catalog.
  4. Optionally verify the checksum: open PowerShell, run Get-FileHash your-download.cab -Algorithm SHA256 and compare with the SHA-256 above.
  5. Extract the .cab archive: right-click → Extract All, or run expand -F:* file.cab C:\driver\ in Command Prompt.
  6. 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.
  7. 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).