Perfect unique_id for device except IMEI,Android_ID,WLAN Mac and Bluetooth address

Question

Objective:

I am looking for a way to find out a unique_id for android device.

Background:

I will use the Id in login re

Answer 1

I think, you could use device serial ID (hardware serial number, not android id). You could seen it in device settings. In your code, you could get it by Build.SERIAL.