Root Huawei Mate S CRR - L09

Hi everybody :),

I'm writing from France, sorry for my English. I've bought a Mate S yesterdat (384euros, and I will get a 100€ refund via ODR), so i'm pretty excited.

I went on Internet to see how to root it : more complicated than I expected because it requires a custom recovery.

So i followed this tutorial: http://androidcustomrom1.blogspot.fr...r-l09-and.html (or this one, this is the same : http://ift.tt/1VSVQJi)

But i'm experiencing an issue at step 10 :

Quote:

Step 10. Flash Mate S TWRP recovery now. Use the following command for that. fastboot flash recovery mates-twrp.img

When I do this, I get this error message :

Quote:

FAILED (remote : command not allowed) finished. total time : 0.693s

see it here :

So i don't know what to do. Is it a problem of drivers? I've installed HiSuite (furnished when we plug-in the Mate S for the first time) and the ADB and Fastboot drivers (wide install) successfully... And the phone is easily recognized without any trouble.

Is it a problem of "locked bootloader"? If yes, how do I unlock the bootloader?

PS : during the process, when the phone is on "FASTBOOT&RESCUE MODE", the screen is showing : "PHONE Locked" (written in green) and FRP Unlock (written in red).

Thank you in advance ! ;)

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