Get device ID

Returns the unique device ID, for example, the IMEI for GSM and the MEID or ESN for CDMA phones. Return null if device ID is not available.

Get line 1 number

Returns the phone number string for line 1, for example, the MSISDN for a GSM phone. Return null if it is unavailable.

Get SIM serial number

Returns the serial number of the SIM, if applicable.

Get network operator name

Returns the alphabetic name of current registered operator.