1) First copy superuser.zip in your sd card and inserit in the phone.
2) Extract Flashtool in one folder and the others packages.
3) Run Flashtool and select scatter file and now must be sure that is select only recovery and make download!
Now connect your phone (that is in off mode) and flash it!
Remove the usb cable and restart your phone!
4) Now we can help to enter in recovery mode through the program mtkdroidtools (make more attention to this program that is very dangerous for your phone).
This Program can help us to enter in the recovery mode because in this new phone ,for moment, is not possible to enter in recovery mode with old procedure
with Power button+ volume +...and so we use this program mtkdroid tools to enter in recovery see the image at the end of this post! Run Droid tools and connect the usb cable...wait for reconize it...if is not recognized you must install the driver above!
5) Now reboot the phone in recovery mode with the button down the program see the image down!