1. 下载http://download.chainfire.eu/supersu
2. 下载http://download2.clockworkmod.com/recoveries/recovery-clockwork-6.0.4.3-mako.img
3. 复制UPDATE-SuperSU-v1.xx.zip到SD卡上
4. 进入bootloader模式,adb reboot-bootloader
5. 刷入recovery,fastboot flash recovery recovery-clockwork-6.0.4.3-mako.img
6. 音量键选择recovery mode电源键确定
7. choose zip from sdcard
8. 完成