Root : http://www.wikoandco.com/fr/forum-wiko/discussions-aides-wiko-ridge/11142-tuto-root-pour-wiko-ridge-4g-et-fab#110624
I flashed secro.img by flash tool and it did not work. I'll wait for you're next rom to see if the problem persists. thank you
Will this work on stock?
It is always better to put the file modem.img its original rom to avoid losses of networks.
It does to me from time to time. I have to reconnect the phone to AA then reboot