Id Info for Android

Retrieves android ID information.

Shows you these values, which are all related to identifying an android device.

Secure.ANDROID_ID (AKA Android ID)

android.os.Build.SERIAL

TelephonyManager.getSimSerialNumber()

TelephonyManager.getDeviceId()

ro.serialno

Wifi MAC

Has a refresh button (Screen shot outdated) so you can refresh the data and see how values changed / become unavailable. Simply touch an item to copy to clipboard.

Secure.ANDROID_ID is mapped to 'android_id', the hexstring of interest is retrieved by

ContentResolver contentResolver = getApplicationContext().getContentResolver();

Settings.Secure.getString(contentResolver, Settings.Secure.ANDROID_ID)

I made this app to explore ways to identify a particular android device. Identification guide can be found in link below:

http://android-developers.blogspot.com/2011/03/identifying-app-installations.html

and Stackoverflow question is here with solutions

http://stackoverflow.com/questions/2785485/is-there-a-unique-android-device-id/3102499#3102499