1) open Hyperterminal : C:\Program Files\Windows NT (should be there)
2) you must set com port on modem (Huawei Mobile Connect - 3G Modem)
3) type following command : AT^CARDLOCK=""
4) Validate by pressing Enter.
Model: Mini WIFI Modem
1 Insert Non-Optus SIM card into modem
2 Power device on €“ wait until the device has completed it�s initialization
3 Make sure there is a connection between the WiFi Modem and the client (eg computer)
4 Start an Internet browser and enterhttp://192.168.1.1 in the address bar. (The default password is admin).
5 Enter the password, and then click Login
6 Select Settings
7 Select Dialup and then Unlock SIM
8 Enter unlock code and then click Apply
9 Unit resets itself if successful.