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public String getDeviceId ()
Added in API level 1
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.
Requires Permission: READ_PHONE_STATE
public String getDeviceId (int slotId)
Added in API level 23
Returns the unique device ID of a subscription, for example, the IMEI for GSM and the MEID for CDMA phones. Return null if device ID is not available.
Requires Permission: READ_PHONE_STATE
Parameters
slotId
of which deviceID is returned