E220 SIM Lock status unknown(vodafone)

[saidgsm]

Found Applications port COM3
Found Diagnostics port COM4

Found modem : E220
Model : Huawei E220
IMEI : 351827015402671
Serial NR. : E07NAB1711213525
Firmware : 11.110.01.03.00
Compile date / time : Sep 13 2006 17:36:31
Hardware ver. : CD33TCPU
Dashboard version : HOST50.11.01.02.02.33
Chipset : Qualcomm MSM6280
NAND Flash : samsung_k9f1208
SIM Lock status : unknown(read failed)

[Valdemaras]

Found Applications port COM3
Found Diagnostics port COM4

Found modem : E220
Model : Huawei E220
IMEI : 351827015402671
Serial NR. : E07NAB1711213525
Firmware : 11.110.01.03.00
Compile date / time : Sep 13 2006 17:36:31
Hardware ver. : CD33TCPU
Dashboard version : HOST50.11.01.02.02.33
Chipset : Qualcomm MSM6280
NAND Flash : samsung_k9f1208
SIM Lock status : unknown(read failed)

There must be invalid sim (sim from operator that modem does not work with) inside, to get correct lock status on detection.