Trying to flash ROM in Huawei y321

I leave my researching on trying to flash a new ROM into my HUAMEI Y321 smartphone as this link posted.

A general guide to flash room and a glossary to get familiar with vocabulary in this area.

This video shows how to make a backup of the current image.

This link shows where to find image for Huawei in Argentina support.

This link gives a try to solve the issue "can´t mount sd-ext" in cwd.

Pending to check this link when issue "can't found sd-ext" appear.

Installation of CWM in y320.

APP needed to change the recovery software.

Manuel boot of Recovery page in y320 POWER + VOL+ button.
Apps links
Terminal to check mount devices.