User guide

C-1

Appendix C. Unlocking a SIM Card

There are two methods to unlock a SIM Card, and the equipment you have

available will dictate which method is used.

C.1 Handset Method

To unlock the Iridium SIM card permanently using the Iridium Handset follow

these instructions.

Install the SIM card, attach the antenna, and 9522B interface. Attach the handset

as required. Apply power to the modem.

The handset will request the PIN number before proceeding. Once you enter the

PIN number (default 1111) the modem will register itself. You will need to

navigate the menus of the handset as follows:

 Find “PHONE SETUP”, click ok

 From this menu select “REQUIRE SIM PIN”

 Navigate until “OFF” is displayed, select by clicking ok

 Exit out of the menus once the PIN requirement is deactivated.

With the card unlocked you can continue with your modem setup.

C.2 Terminal Emulator Method

In order to unlock the SIM cards with this method you will need a terminal

emulator like Hyperterminal. The configuration will need to be same as list in

Section 2.2 of this manual. Refer to Section 2.2 for this setup.

Both SIM Cards must be unlocked.

When conducting these steps you will need to have the SIM Card installed in the

modem. The antenna must be connected, and have a sky view for communications

with the satellite network. Finally the unit must be powered. Refer to the

appropriate Sections of this manual for information about these requirements.

Once the modem and terminal emulator are ready enter the following command:

AT+CPIN? <Enter>

The command requests that the modem respond as to whether a password is

required. The expected modem response is:

+CPIN: SIM PIN

The response confirms that the SIM Card PIN1 code is required to unlock the

Card. If you get a different response, contact the SIM Card provider to determine

if a different code is required. If you get a response of “+CPIN: SIM PIN2” this

may mean that the Card is already unlocked or requires a different code.

The next step is to enter the PIN code for the SIM Card.

AT+CPIN=”1111” <Enter>

NOTE