You are using wrong command.
To scan for local devices (bluetooth dongles) the command is 'hcitool dev' 'hcitool scan' scans for remote devices. Please check 'man hcitool'.
You are using wrong command.
To scan for local devices (bluetooth dongles) the command is 'hcitool dev'
'hcitool scan' scans for remote devices. Please check 'man hcitool'.