eduardo
30 Dec 2021

lsusb | grep -i bluetooth
dmesg | grep -i bluetooth
dmidecode -t0

descarregar este driver: https://download.lenovo.com/ibmdl/pub/pc/pccbbs/mobiles/g4wh01ww.exe

innoextract g4wh01ww.exe
cd app
find . -name '*.inf' -type f -exec grep -A5 -i 21e6 -- {} + | grep .hex

e o resultado:

./Win64/bcbtums-win8x64-brcm.inf-BCM20702A1_001.002.014.1483.1669.hex
./Win64/bcbtums-win8x64-brcm.inf-HKR,,%RAMPatchFileName%,0x00000, "BCM20702A1_001.002.014.1483.1669.hex"
./Win32/bcbtums-win8x86-brcm.inf-BCM20702A1_001.002.014.1483.1669.hex
./Win32/bcbtums-win8x86-brcm.inf-HKR,,%RAMPatchFileName%,0x00000, "BCM20702A1_001.002.014.1483.1669.hex"

hex2hcd ./Win64/BCM20702A1_001.002.014.1483.1669.hex
hex2hcd ./Win64/bcbtums-win8x64-brcm.inf-BCM20702A1_001.002.014.1483.1669.hex
sudo cp ./Win64/BCM20702A1_001.002.014.1483.1669.hcd /lib/firmware/brcm/BCM20702A1-0a5c-21e6.hcd
sudo modprobe -r btusb
sudo modprobe btusb
sudo systemctl restart bluetooth

https://ubuntuforums.org/showthread.php?t=2346879
https://wiki.debian.org/BCMHybridBTFirmware
https://pcsupport.lenovo.com/us/en/products/laptops-and-netbooks/thinkp…

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