Fix: Disable USB selective suspend:
Manual updates require downloading the correct driver from a trusted source. bt118 wireless dongle driver upd
Q1: Is there an official BT118 driver website?
A: No. BT118 is a generic product. Always rely on chipset drivers from CSR, Realtek, or community sources like GitHub. Fix: Disable USB selective suspend: Manual updates require
Q2: Can I use the BT118 on Linux or macOS?
A: Yes. On Linux, the btusb kernel module usually works automatically. On macOS, drivers are rarely available – the dongle may not function. BT118 is a generic product
Q3: Why does my BT118 work on Windows 7 but not Windows 11?
A: Windows 11 has stricter driver signing and removed legacy Bluetooth stacks. You need a signed CSR 4.0 driver or newer.
Q4: My BT118 shows as "Broadcom BCM20702" – what driver?
A: Use the generic Broadcom Bluetooth driver from Microsoft Update Catalog or the "BCM20702 Windows 10 driver" from Lenovo’s support site.
Q5: After update, Bluetooth mouse lags – why?
A: Power management. Go to Device Manager > Bluetooth adapter > Properties > Power Management > Uncheck "Allow the computer to turn off this device."