Hi Mingli

[please don't top post.]

On 03.12.2012 11:37, Ming Li Wu wrote:
> Hi Daniel,
>
> Thanks for your reply.
>
> I am using an arm development board in which ofono is running.
> rfkill is not installed. should I install it?

I wanted to ask you if the the interface is rfkilled (e.b. by ConnMan). 
The rfkill tool is able to show the current applied settings.

HTH,
daniel