Towelroot doesn`t show up anymore and you will be sent to TWRP instead of Philz
- Enable DEV. Options and USB-Debugging, PC Companion must be installed AND CLOSED.
- Download SuperSU and place it into your internal storage
- Download Z1-lockeddualrecovery2.7.154 INSTALLER here, extract it and run the Installer.bat.
- Use option 3 and follow the instructions
- Device will reboot, make shure your device goes into Recovery by pressing vol. up.
- In recovery flash SuperSU.zip
- Reboot and you're done
- Enjoy root