Instructions to get IMEI code for free on GDL devices

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

GDL Xtreme 10 GDL Xtreme 10
GDL Xtreme 4 GDL Xtreme 4
GDL Xtreme 3 GDL Xtreme 3
GDL Xtreme 1 GDL Xtreme 1