Instructions to get IMEI code for free on AOSD devices

How to find the IMEI code on AOSD devices for free. Instructions for displaying the IMEI code on a AOSD smartphone to release it, report it or use the warranty. Search your device among the wide range of AOSD devices available.

AOSD Q33 AOSD Q33
AOSD S8 plus AOSD S8 plus
AOSD Q55 AOSD Q55