Thanks again!
N°0 - Check!
N°1 - Check!
N°2 - Check! But I have problem with this.
I've already install the Official TWRP (twrp-3.3.1-32-raphael-mauronofrio), but gave me a Bootloop, and I don't remember how I get my phone up again.
You recommend to flash the stock recovery first, and later...