The “BTA” in the name typically refers to Bluetooth Adapter . Windows 10 recognizes this hardware using the driver name isscbta.inf or btfilter.sys .
A ISSCBTA driver (versions typically 12.0.1.6xx or higher) resolves all these issues by:
To install or update this driver on a modern Windows 10 system, follow these steps:
: Provides a database of drivers for specific manufacturers like that use the ISSCBTA chip. 4. Alternative: Broadcom/Intel Compatibility
If your laptop has an ISSC chip inside:
If you see these, you absolutely need the .
| | Release Date | Windows 10 Build | Features | |--------------------|------------------|----------------------|-------------------------------------------| | 12.0.1.670 | March 2026 | 22H2 & newer | Bluetooth 5.3 LE Audio, LC3 codec support | | 12.0.1.645 | September 2025 | 21H2 – 22H2 | Fixed audio dropouts | | 12.0.1.600 | January 2025 | 20H2 – 21H1 | Basic Windows 10 compatibility | | 10.0.1.15 (legacy) | 2018 | 1809 | No longer recommended |
If you are using a USB Bluetooth dongle, look at the physical branding on the packaging or the USB metal tip itself. Brands like Kinivo, Avantree, or generic electronics manufacturers often host the exact ISSC/Microchip driver packages on their support pages. Download the executable file (.exe), right-click it, select , and follow the installation wizard.
Look for "ISSCBTA," "ISSC USB Bluetooth Device," or "Generic Bluetooth Adapter" (often under "Other devices" with a yellow exclamation mark).
