Instructions to get IMEI code for free on Gretel devices

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

Gretel A7 Gretel A7
Gretel GT6000 Gretel GT6000
Gretel A6 Gretel A6
Gretel S55 Gretel S55
Gretel A9 Gretel A9