Use a hashed ANDROID_ID instead of IMEI for stats collection.

import android.content.Context;

import android.os.SystemProperties;

import android.provider.Settings;

import android.telephony.TelephonyManager;

public class Utilities {

    public static String getUniqueID(Context ctx) {

        TelephonyManager tm = (TelephonyManager) ctx

                .getSystemService(Context.TELEPHONY_SERVICE);

        String device_id = digest(tm.getDeviceId());

        if (device_id == null) {

            String wifiInterface = SystemProperties.get("wifi.interface");

            try {

                String wifiMac = new String(NetworkInterface.getByName(

                        wifiInterface).getHardwareAddress());

                device_id = digest(wifiMac);

            } catch (Exception e) {

                device_id = null;

            }

        }

        return device_id;

        return digest(ctx.getPackageName() + Settings.Secure.getString(ctx.getContentResolver(), Settings.Secure.ANDROID_ID));

    }

    public static String getCarrier(Context ctx) {