You can refer to below method,if it doesn't work,send the SN to us to check.
key:persist.sys.imei1/persist.sys.imei2
private static String getIMEI() {
String imei = "";
try {
Class<?> c = Class.forName("android.os.SystemProperties");
Method get = c.getMethod("get", String.class);
imei = (String) get.invoke(c, "persist.sys.imei1");
} catch (Exception e) {
e.printStackTrace();
}
return imei;
}
private static String getSerialNumber() {
String serial = "";
try {
Class<?> c = Class.forName("android.os.SystemProperties");
Method get = c.getMethod("get", String.class);
serial = (String) get.invoke(c, "ro.serialno");
} catch (Exception e) {
e.printStackTrace();
}
return serial;
}