Hi Mingli, On 30.11.2012 16:40, Ming Li Wu wrote: > Hello, > > I am working on Telit HE910 modem. > > I am using ofono 1.11, and the commit is > 6e3a6156b34c52bde253b097976d0ba9dd575879. > > For the Telit modem, "AT+CFUN=4" is used to enable > the modem. According to "Telit He910 AT Commands > Reference Guide", "issuing AT+CFUN=4[,0] actually > causes the module to perform either a network > deregistration and a SIM deactivation." Is rfkill enabled? cheers, daniel