Instructions to get IMEI code for free on Gresso devices

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

Gresso Radical R1 Gresso Radical R1
Gresso Radical R3 Gresso Radical R3
Gresso Radical R2 Gresso Radical R2