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I'm trying to use bluetooth usb dongle with my Linux Mint laptop, but it's not detected by bluetooth-manager, executing

hciconfig hci0 up

for bluetooth usb dongle (hci0) results in:

Can't init device hci0: Operation not supported (95)

while for built-in device (hci1) it works fine. How to troubleshoot that? Some additional information: hciconfig:

hci0:   Type: BR/EDR  Bus: USB
    BD Address: 00:1A:7D:DA:71:11  ACL MTU: 679:9  SCO MTU: 48:16
    DOWN 
    RX bytes:1148 acl:0 sco:0 events:60 errors:0
    TX bytes:736 acl:0 sco:0 commands:60 errors:0

hci1:   Type: BR/EDR  Bus: USB
    BD Address: 60:57:18:F4:91:3C  ACL MTU: 1021:5  SCO MTU: 96:6
    UP RUNNING PSCAN ISCAN 
    RX bytes:2228 acl:0 sco:0 events:108 errors:0
    TX bytes:4699 acl:0 sco:0 commands:108 errors:0

dmesg:

[ 5513.107365] usb 1-3: new full-speed USB device number 10 using xhci_hcd
[ 5513.236766] usb 1-3: string descriptor 0 read error: -75
[ 5513.236772] usb 1-3: New USB device found, idVendor=0a12, idProduct=0001
[ 5513.236775] usb 1-3: New USB device strings: Mfr=0, Product=2, SerialNumber=0

lsusb:

Bus 002 Device 002: ID 0bda:8153 Realtek Semiconductor Corp. 
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 008: ID 8087:0a2a Intel Corp. 
Bus 001 Device 005: ID 064e:9700 Suyin Corp. Asus Integrated Webcam
Bus 001 Device 010: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

rfkill:

2: phy0: Wireless LAN
    Soft blocked: yes
    Hard blocked: no
3: asus-wlan: Wireless LAN
    Soft blocked: yes
    Hard blocked: no
4: asus-bluetooth: Bluetooth
    Soft blocked: no
    Hard blocked: no
8: hci1: Bluetooth
    Soft blocked: no
    Hard blocked: no
10: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no

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