Hi Anthony, > I don't know why ofono call the callback with ok=0. In the log, I see > the command was successful: > > --------------- > Mar 28 13:50:05 mr3000 ofonod[6859]: Data: > AT+CRSM=192,28589\r > Mar 28 13:50:05 mr3000 ofonod[6859]: Data: < \r\n+CRSM: > 144,0,""\r\n\r\nOK\r\n > --------------- > The above CRSM response is equivalent to: "File not found". Regards, -Denis