SIM State
public static final int SIM_STATE_UNKNOWN = 0;
/** SIM card state: no SIM card is available in the device */
public static final int SIM_STATE_ABSENT = 1;
/** SIM card state: Locked: requires the user's SIM PIN to unlock */
public static final int SIM_STATE_PIN_REQUIRED = 2;
/** SIM card state: Locked: requires the user's SIM PUK to unlock */
public static final int SIM_STATE_PUK_REQUIRED = 3;
/** SIM card state: Locked: requries a network PIN to unlock */
public static final int SIM_STATE_NETWORK_LOCKED = 4;
/** SIM card state: Ready */
public static final int SIM_STATE_READY = 5;
/** SIM card state: SIM Card Error, Sim Card is present but faulty