[Untested] Rooting LP 5.1 - Requires 5.0 As A Base

Rooting Method for Xperia Z Ultra Lollipop V5.1 .

What You Need :

• 5.1 .


• Root & Recovery Pre-Installed .


• Flashtool & PC .

MAKE A BACKUP FIRST

How To :

• As a Start, You Gonna have Lollipop 5.0 with Root & Recovery installed .


• Move 5.1 to firmwares folder .


• Download This SuperSu Flashable file and move it to SDCard & Internal Storage .


• Open Flashtool .


• Select The ROM .


• Exclude Kernel ONLY .


• Flash the ROM .


• Boot the Phone and enter Recovery ASAP .


• Install the ZIP File, if Flashtool didn't wipe Internal storage yet, then install it from Internal storage, otherwise from SD Card .


• Power Off .


• Open Flashtool .


• Select 5.1 .


• Exclude All expect the Kernel .


• Un-tick Data / Cache and the third option too .


• Flash .


• Boot ! .

As a feedback from my friend, he said there was not problem with 5.0 kernel on 5.1 system for first boot ( recovery entering only ) .

Please feedback, and don't forget the backup !