How to create QR code to connect to WiFi from a CROSSCALL

If you have ever wished that there was an easier method to connect your CROSSCALL, device to a Wi-Fi network, since version 10 of Android the process has been greatly simplified allowing you to share the password and wireless network configuration simply by reading a QR code from a CROSSCALL mobile device or any other brand.
Search for your device among the catalog of CROSSCALL devices compatible with this feature and consult the step-by-step instructions.

CROSSCALL CORE-M5 CROSSCALL CORE-M5
CROSSCALL ACTION-X5 CROSSCALL ACTION-X5
CROSSCALL CORE-T4 CROSSCALL CORE-T4
CROSSCALL CORE-M4 GO CROSSCALL CORE-M4 GO
CROSSCALL CORE-X4 CROSSCALL CORE-X4