CSR was a major Bluetooth chip manufacturer (now owned by Qualcomm). A "CSR 5.1 dongle" typically uses the chipset, but flashed with firmware that supports Bluetooth 5.1 features.
Even with the correct driver, you might hit snags. Here is the troubleshooting matrix. bluetooth csr 5.1 dongle driver
For most users on , the process is automatic. CSR was a major Bluetooth chip manufacturer (now
This article provides a deep dive into everything you need to know about the , including how to install it, fix common errors, update firmware, and unlock the full potential of your Bluetooth 5.1 dongle. Here is the troubleshooting matrix
Not necessarily. The CSR8510 chip is a BT 4.0 chipset that can advertise 5.1 via software emulation. A true CSR 5.1 chipset (CSR8811 or QCC3056) will have a VID of 10AB (CSR’s newer Qualcomm ID). If you have a 0A12 VID, your driver is for BT 4.0, but it will still work as a 5.1 compatible dongle.
: Right-click it and select Update driver > Search automatically for drivers .