Hi All,
Can’t get bluetooth working on Armbian, in dmesg I got this
# dmesg |grep -i brc
[ 19.231207] brcmfmac: F1 signature read @0x18000000=0x15264345
[ 19.236596] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43455-sdio for chip BCM4345/6
[ 19.237918] usbcore: registered new interface driver brcmfmac
[ 19.298389] brcmfmac mmc2:0001:1: Direct firmware load for brcm/brcmfmac43455-sdio.radxa,rockpi4c-plus.bin failed with error -2
[ 19.546406] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4345/6 wl0: Feb 27 2018 03:15:32 version 7.45.154 (r684107 CY) FWID 01-4fbe0b04
I’ve installed package broadcom-wifibt-firmware from Radxa APT but still got this issue 
Any ideas?