[ 2.574742] Bluetooth: hci0: rtl: loading rtl_bt/rtl8821a_config.bin [ 2.575137] bluetooth hci0: firmware: failed to load rtl_bt/rtl8821a_config.bin (-2) [ 2.575143] bluetooth hci0: Direct firmware load for rtl_bt/rtl8821a_config.bin failed with error -2 [ 2.575145] Bluetooth: hci0: Failed to load rtl_bt/rtl8821a_config.bin
copying rtl8723a_config.bin from https://github.com/lwfinger/rtl8723au_bt/ to /lib/firmware/rtl_bt/ does NOT solve the issue. You are actually pointing to a config file for a completly different device. We are using the rtl8821a this config file is for the rtl8723au_bt...
