How to get the device s IMEI ESN programmatically in android

Question

To identify each devices uniquely I would like to use the IMEI  or ESN number for CDMA devices   How to access this programmatically

User · Answer

The method getDeviceId   is deprecated  There a new method for this getImei int   Check here

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New Update   For Android Version 6 And Above  WLAN MAC Address has been deprecated   follow Trevor Johns answer  Update   For uniquely Identification of devices  You can Use Secure ANDROID ID   Old Answer   Disadvantages of using IMEI as Unique Device ID    IMEI is dependent on the Simcard slot of the device  so it is not possible to get the IMEI for the devices that do not use Simcard     In Dual sim devices  we get 2 different IMEIs for the same device as it has 2 slots for simcard    You can Use The WLAN MAC Address string  Not Recommended For Marshmallow and Marshmallow  as WLAN MAC Address has been deprecated on Marshmallow forward  So you ll get a bogus value   We can get the Unique ID for android phones using the WLAN MAC address also  The MAC address is unique for all devices and it works for all kinds of devices   Advantages of using WLAN MAC address as Device ID    It is unique identifier for all type of devices  smart phones and    tablets   It remains unique if the application is reinstalled   Disadvantages of using WLAN MAC address as Device ID    Give You a Bogus Value from Marshmallow and above  If device doesn   t have wifi hardware then you get null MAC address     but generally it is seen that most of the Android devices have wifi    hardware and there are hardly few devices in the market with no wifi    hardware    SOURCE   technetexperts com

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In addition to the answer of Trevor Johns  you can use this as follows   TelephonyManager telephonyManager    TelephonyManager getSystemService Context TELEPHONY SERVICE   telephonyManager getDeviceId      And you should add the following permission into your Manifest xml file    lt uses-permission android name  android permission READ PHONE STATE   gt    In emulator  you ll probably get a like a  00000     value  getDeviceId   returns NULL if device ID is not available

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for API Level 11 or above   case TelephonyManager PHONE TYPE SIP   return  SIP    TelephonyManager tm   TelephonyManager getSystemService Context TELEPHONY SERVICE   textDeviceID setText getDeviceID tm

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Or you can use the ANDROID ID setting from Android Provider Settings System  as described here strazerre com    This has the advantage that it doesn t require special permissions but can change if another application has write access and changes it  which is apparently unusual but not impossible    Just for reference here is the code from the blog   import android provider Settings  import android provider Settings System      String androidID   System getString this getContentResolver   Secure ANDROID ID     Implementation note  if the ID is critical to the system architecture you need to be aware that in practice some of the very low end Android phones  amp  tablets have been found reusing the same ANDROID ID  9774d56d682e549c was the value showing up in our logs

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For Android 10 Following code is working for me   val uid  String   Settings Secure getString ctx applicationContext contentResolver  Settings Secure ANDROID ID  if  ContextCompat checkSelfPermission ctx  Manifest permission READ PHONE STATE     PackageManager PERMISSION GRANTED                imei   when                   Build VERSION SDK INT  gt   Build VERSION CODES Q - gt                        uid                                   Build VERSION SDK INT  gt   Build VERSION CODES O - gt                        telephonyManager imei                                   else - gt                        telephonyManager deviceId

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use below code   if  Build VERSION SDK INT  gt   Build VERSION CODES M            String   permissions    Manifest permission READ PHONE STATE           if  ActivityCompat checkSelfPermission this                  Manifest permission READ PHONE STATE     PackageManager PERMISSION GRANTED                requestPermissions permissions  READ PHONE STATE                   else           try               TelephonyManager telephonyManager    TelephonyManager  getSystemService Context TELEPHONY SERVICE               if  ActivityCompat checkSelfPermission this  Manifest permission READ PHONE STATE     PackageManager PERMISSION GRANTED                    return                            String imei   telephonyManager getDeviceId               catch  Exception e                e printStackTrace                      And call onRequestPermissionsResult method following code    Override public void onRequestPermissionsResult int requestCode   NonNull String   permissions   NonNull int   grantResults        switch  requestCode            case READ PHONE STATE              if  grantResults length  gt  0                      amp  amp  grantResults 0     PackageManager PERMISSION GRANTED                  try                       TelephonyManager telephonyManager    TelephonyManager  getSystemService Context TELEPHONY SERVICE                       if  ActivityCompat checkSelfPermission this  Manifest permission READ PHONE STATE     PackageManager PERMISSION GRANTED                            return                                            String imei   telephonyManager getDeviceId                       catch  Exception e                        e printStackTrace                                Add following permission in your AndroidManifest xml    lt uses-permission android name  android permission READ PHONE STATE    gt

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to get IMEI  international mobile equipment identifier   public String getIMEI Activity activity        TelephonyManager telephonyManager    TelephonyManager  activity              getSystemService Context TELEPHONY SERVICE       return telephonyManager getDeviceId        to get device unique id  public String getDeviceUniqueID Activity activity       String device unique id   Secure getString activity getContentResolver                Secure ANDROID ID       return device unique id

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For Android 6 0  the game has changed so i suggest you use this   The best way to go is during runtime else you get permission errors              A loading screen after AppIntroActivity      public class LoadingActivity extends BaseActivity   private static final int MY PERMISSIONS REQUEST READ PHONE STATE   0  private TextView loading tv2    Override protected void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout activity loading          trigger  loadIMEI      loadIMEI            Fading Transition Effect        overridePendingTransition android R anim fade in  android R anim fade out             Called when the  loadIMEI  function is triggered      public void loadIMEI            Check if the READ PHONE STATE permission is already available      if  ActivityCompat checkSelfPermission this  Manifest permission READ PHONE STATE                 PackageManager PERMISSION GRANTED               READ PHONE STATE permission has not been granted          requestReadPhoneStatePermission          else              READ PHONE STATE permission is already been granted          doPermissionGrantedStuffs                      Requests the READ PHONE STATE permission     If the permission has been denied previously  a dialog will prompt the user to grant the    permission  otherwise it is requested directly      private void requestReadPhoneStatePermission         if  ActivityCompat shouldShowRequestPermissionRationale this              Manifest permission READ PHONE STATE                Provide an additional rationale to the user if the permission was not granted            and the user would benefit from additional context for the use of the permission             For example if the user has previously denied the permission          new AlertDialog Builder LoadingActivity this                   setTitle  Permission Request                    setMessage getString R string permission read phone state rationale                    setCancelable false                   setPositiveButton android R string yes  new DialogInterface OnClickListener                         public void onClick DialogInterface dialog  int which                              re-request                         ActivityCompat requestPermissions LoadingActivity this                                  new String   Manifest permission READ PHONE STATE                                   MY PERMISSIONS REQUEST READ PHONE STATE                                                             setIcon R drawable onlinlinew warning sign                   show          else              READ PHONE STATE permission has not been granted yet  Request it directly          ActivityCompat requestPermissions this  new String   Manifest permission READ PHONE STATE                   MY PERMISSIONS REQUEST READ PHONE STATE                   Callback received when a permissions request has been completed       Override public void onRequestPermissionsResult int requestCode   NonNull String   permissions                                          NonNull int   grantResults         if  requestCode    MY PERMISSIONS REQUEST READ PHONE STATE               Received permission result for READ PHONE STATE permission est                Check if the only required permission has been granted         if  grantResults length    1  amp  amp  grantResults 0     PackageManager PERMISSION GRANTED                   READ PHONE STATE permission has been granted  proceed with displaying IMEI Number               alertAlert getString R string permision available read phone state                doPermissionGrantedStuffs              else               alertAlert getString R string permissions not granted read phone state                         private void alertAlert String msg        new AlertDialog Builder LoadingActivity this               setTitle  Permission Request                setMessage msg               setCancelable false               setPositiveButton android R string yes  new DialogInterface OnClickListener                     public void onClick DialogInterface dialog  int which                           do somthing here                                               setIcon R drawable onlinlinew warning sign               show        public void doPermissionGrantedStuffs           Have an  object of TelephonyManager     TelephonyManager tm   TelephonyManager getSystemService Context TELEPHONY SERVICE         Get IMEI Number of Phone                   for this example i only need the IMEI     String IMEINumber tm getDeviceId                                                                                                                        This is just an icing on the cake        the following are other children of TELEPHONY SERVICE               Get Subscriber ID      String subscriberID tm getDeviceId            Get SIM Serial Number      String SIMSerialNumber tm getSimSerialNumber            Get Network Country ISO Code      String networkCountryISO tm getNetworkCountryIso            Get SIM Country ISO Code      String SIMCountryISO tm getSimCountryIso            Get the device software version      String softwareVersion tm getDeviceSoftwareVersion           Get the Voice mail number      String voiceMailNumber tm getVoiceMailNumber             Get the Phone Type CDMA GSM NONE      int phoneType tm getPhoneType          switch  phoneType              case  TelephonyManager PHONE TYPE CDMA           your code      break       case  TelephonyManager PHONE TYPE GSM          your code      break       case  TelephonyManager PHONE TYPE NONE           your code      break                 Find whether the Phone is in Roaming  returns true if in roaming      boolean isRoaming tm isNetworkRoaming         if isRoaming       phoneDetails    nIs In Roaming      YES        else      phoneDetails    nIs In Roaming      NO            Get the SIM state      int SIMState tm getSimState         switch SIMState              case TelephonyManager SIM STATE ABSENT           your code      break       case TelephonyManager SIM STATE NETWORK LOCKED           your code      break       case TelephonyManager SIM STATE PIN REQUIRED           your code      break       case TelephonyManager SIM STATE PUK REQUIRED           your code      break       case TelephonyManager SIM STATE READY           your code      break       case TelephonyManager SIM STATE UNKNOWN           your code      break                         Now read the desired content to a textview      loading tv2    TextView  findViewById R id loading tv2       loading tv2 setText IMEINumber         Hope this helps you or someone

User · Answer

Try this need to get first IMEI always   TelephonyManager mTelephony    TelephonyManager  getSystemService Context TELEPHONY SERVICE           if  ActivityCompat checkSelfPermission LoginActivity this Manifest permission READ PHONE STATE    PackageManager PERMISSION GRANTED              return     if  Build VERSION SDK INT  gt   Build VERSION CODES M                if  Build VERSION SDK INT  gt   Build VERSION CODES O                    if  mTelephony getPhoneCount      2                        IME   mTelephony getImei 0                    else                      IME   mTelephony getImei                                   else                  if  mTelephony getPhoneCount      2                        IME   mTelephony getDeviceId 0                     else                       IME   mTelephony getDeviceId                                              else               IME   mTelephony getDeviceId

User · Answer

Kotlin Code for getting DeviceId   IMEI   with handling permission  amp  comparability check for all android versions     val  telephonyManager   getSystemService Context TELEPHONY SERVICE  as TelephonyManager     if  ContextCompat checkSelfPermission this  Manifest permission READ PHONE STATE             PackageManager PERMISSION GRANTED               Permission is  granted         val imei   String    if  Build VERSION SDK INT  gt   Build VERSION CODES O   telephonyManager imei            older OS  versions         else  telephonyManager deviceId          imei  let               Log i  Log    DeviceId  it                     else       Permission is not granted          Also add this permission to AndroidManifest xml     lt uses-permission android name  android permission READ PHONE STATE   gt   lt  -- IMEI-- gt

User · Answer

You want to call android telephony TelephonyManager getDeviceId     This will return whatever string uniquely identifies the device  IMEI on GSM  MEID for CDMA    You ll need the following permission in your AndroidManifest xml    lt uses-permission android name  android permission READ PHONE STATE    gt    in order to do this   That being said  be careful about doing this  Not only will users wonder why your application is accessing their telephony stack  it might be difficult to migrate data over if the user gets a new device   Update  As mentioned in the comments below  this is not a secure way to authenticate users  and raises privacy concerns  It is not recommended  Instead  look at the Google  Login API if you want to implement a frictionless login system   The Android Backup API is also available if you just want a lightweight way to persist a bundle of strings for when a user resets their phone  or buys a new device

User · Answer

For those looking for a Kotlin version  you can use something like this   private fun telephonyService         val telephonyManager   getSystemService TELEPHONY SERVICE  as TelephonyManager     val imei   if  android os Build VERSION SDK INT  gt   26            Timber i  Phone  gt   26 IMEI           telephonyManager imei       else           Timber i  Phone IMEI  lt  26           telephonyManager deviceId            Timber i  Phone IMEI  imei       NOTE  You must wrap telephonyService   above with a permission check using checkSelfPermission or whatever method you use   Also add this permission in the manifest file    lt uses-permission android name  android permission READ PHONE STATE   gt

User · Answer

As in API 26 getDeviceId   is depreciated so you can use following code to cater API 26 and earlier versions  TelephonyManager telephonyManager    TelephonyManager getSystemService Context TELEPHONY SERVICE   String imei     if  android os Build VERSION SDK INT  gt   26      imei telephonyManager getImei      else     imei telephonyManager getDeviceId        Don t forget to add permission requests for READ PHONE STATE to use the above code   UPDATE  From Android 10 its is restricted for user apps to get non-resettable hardware identifiers like IMEI

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The method getDeviceId   of TelephonyManager 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   Java Code    package com AndroidTelephonyManager   import android app Activity  import android content Context  import android os Bundle  import android telephony TelephonyManager  import android widget TextView   public class AndroidTelephonyManager extends Activity       Called when the activity is first created      Override public void onCreate Bundle savedInstanceState        super onCreate savedInstanceState       setContentView R layout main       TextView textDeviceID    TextView findViewById R id deviceid          retrieve a reference to an instance of TelephonyManager     TelephonyManager telephonyManager    TelephonyManager getSystemService Context TELEPHONY SERVICE        textDeviceID setText getDeviceID telephonyManager        String getDeviceID TelephonyManager phonyManager     String id   phonyManager getDeviceId     if  id    null     id    not available        int phoneType   phonyManager getPhoneType     switch phoneType    case TelephonyManager PHONE TYPE NONE    return  NONE      id    case TelephonyManager PHONE TYPE GSM    return  GSM  IMEI     id    case TelephonyManager PHONE TYPE CDMA    return  CDMA  MEID ESN     id            for API Level 11 or above      case TelephonyManager PHONE TYPE SIP        return  SIP          default    return  UNKNOWN  ID     id            XML   lt linearlayout android layout height  fill parent  android layout width  fill parent  android orientation  vertical  xmlns android  http   schemas android com apk res android  gt   lt textview android layout height  wrap content  android layout width  fill parent  android text   string hello  gt   lt textview android id    id deviceid  android layout height  wrap content  android layout width  fill parent  gt   lt  textview gt  lt  textview gt  lt  linearlayout gt     Permission Required READ PHONE STATE in manifest file

User · Answer

Use below code gives you IMEI number   TelephonyManager telephonyManager    TelephonyManager  getSystemService Context TELEPHONY SERVICE   System out println  IMEI      telephonyManager getDeviceId

User · Answer

From  http   mytechead wordpress com 2011 08 28 how-to-get-imei-number-of-android-device    The following code helps in obtaining IMEI number of android devices    TelephonyManager tm    TelephonyManager getSystemService Context TELEPHONY SERVICE   String device id   tm getDeviceId      Permissions required in Android Manifest    android permission READ PHONE STATE   NOTE  In case of tablets or devices which can   t act as Mobile Phone IMEI will be null

User · Answer

You can use this TelephonyManager TELEPHONY SERVICE function to get unique device ID  Requires Permission  READ PHONE STATE    lt uses-permission android name  android permission READ PHONE STATE    gt    Example  the IMEI for GSM and the MEID or ESN for CDMA phones           Gets the device unique id called IMEI  Sometimes  this returns 00000000000000000 for the    rooted devices       public static String getDeviceImei Context ctx        TelephonyManager telephonyManager    TelephonyManager  ctx getSystemService Context TELEPHONY SERVICE       return telephonyManager getDeviceId        Return null if device ID is not available

User · Answer

You ll need the following permission in your AndroidManifest xml    lt uses-permission android name  android permission READ PHONE STATE    gt    To get IMEI  international mobile equipment identifier  and if It is above API level 26 then we get telephonyManager getImei   as null so for that  we use ANDROID ID as a Unique Identifier    public static String getIMEINumber  NonNull final Context context              throws SecurityException  NullPointerException           TelephonyManager tm    TelephonyManager  context getSystemService Context TELEPHONY SERVICE           String imei          if  Build VERSION SDK INT  gt   Build VERSION CODES O                assert tm    null              imei   tm getImei                  this change is for Android 10 as per security concern it will not provide the imei number              if  imei    null                    imei   Settings Secure getString context getContentResolver    Settings Secure ANDROID ID                           else               assert tm    null              if  tm getDeviceId      null  amp  amp   tm getDeviceId   equals  000000000000000                      imei   tm getDeviceId                  else                   imei   Settings Secure getString context getContentResolver    Settings Secure ANDROID ID                                    return imei

User · Answer

I use the following code to get the IMEI or use Secure ANDROID ID as an alternative  when the device doesn t have phone capabilities          Returns the unique identifier for the device        return unique identifier for the device     public String getDeviceIMEI         String deviceUniqueIdentifier   null      TelephonyManager tm    TelephonyManager  this getSystemService Context TELEPHONY SERVICE       if  null    tm            deviceUniqueIdentifier   tm getDeviceId              if  null    deviceUniqueIdentifier    0    deviceUniqueIdentifier length              deviceUniqueIdentifier   Settings Secure getString this getContentResolver    Settings Secure ANDROID ID             return deviceUniqueIdentifier

[android] How to get the device's IMEI/ESN programmatically in android?

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