DriverCove

Mercusys Technologies Co., Limited Bluetooth Driver Update (1.9.1040.4025) Driver 1.9.1040.4025

by Mercusys Technologies Co., Limited8.1832-bitSHA-256 verified

Manufacturer
Mercusys Technologies Co., Limited
Device
Mercusys Technologies Co., Limited Bluetooth Driver Update (1.9.1040.4025)
Driver version
1.9.1040.4025
Release date
January 21, 2026
Supported Windows
Windows 8.1, Windows 8
Architecture
32-bit (x86)
File size
335 KB
File name
aca557dd-478b-46a8-9e15-13fbdfaff2f1_dc1fee17d75fedbcb1ce8d16ffeb220dd6f9e808.cab
Digital signature
Signed - catalog RtkFilter.cat
INF version
01/21/2026,1.9.1040.4025
INF provider
Mercusys Technologies Co., Limited
Device class
Bluetooth
Source
Microsoft Update Catalog
Last verified
July 8, 2026
SHA-256
6751bc38a3ab399cd41d4341d4bbdd15c222d561c7cc0f7261384c2498047890

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

  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 8.1, Windows 8) and architecture (x86)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).