Hi Zhenhua, On 08/30/2010 04:50 AM, Zhenhua Zhang wrote: > HFP modem doesn't have IMSI at all. In order to notify SIM ready to the > core, we create a special sim driver with a faked IMSI number. Can you try after commit 88024972df46d4ababbaf39354615e8a8d603cfc? I added magic which will skip sim_ready stuff completely for modems that do not add a sim atom. Regards, -Denis