1. Download KFU 0.9.9 (http://forum.xda-developers.com/show....php?t=2192818)
2. Download TWRP (http://techerrata.com/browse/twrp2/blaze)
3. Download FFF (http://forum.xda-developers.com/show....php?t=1369405)
4. I rename them as "twrp" and "fff" respectively and place them in the "recovery" folder in KFU
5. I manually install the drivers
6. I check in the device manager to show me "Android Phone - Android Composite ADB interface"
7. I run the KFU
and that was all...
I check the root was complete with the https://play.google.com/store/apps/d...b290Y2hlY2siXQ..
It works fine, please tell me if you have any trouble
It only works with 1st gen btw