On Mon, 5 Sep 2011 19:38:01 +0200, Kurt Jaeger wrote: > Hi! > > Does anyone have pointers to Ericsson F5521gw GSM/UMTS/HDSPA/GPS > documentation ? It speaks hayes commands, but the generic PIN command > (AT+CPIN=nnnn) does not work... > > Thanks for any pointers. Have you tried AT+CPIN? to check if a PIN is needed?