How to Root Xperia Z Ultra C6802 on Android 5.0.2 Lollipop

Xperia Z Ultra users can learn how to root their Z Ultra with this awesome tutorial. They will be able to install lollipop Android 5.0.2 on Z Ultra. This kernel lets the Z Ultra to boot into TWRP recovery through which the root files can be flashed in it. This guide is tested on stock lollipop build 14.5.A.0.242 running Xperia Z ultra model C6802. It might work on other variants but not on the Google Play edition. If you are wondering how to root your Xperia Z Ultra then you have chosen the best guide on rooting Xperia Z Ultra. Let’s see the tutorial now:

Important Notes:

  • This will void your warranty
  • In this process all the data will be wiped, so you should take a proper backup of every important data . You can use TWRP for that
  • We are no liable for any kind of damage to your handset
  • Please proceed at your own risk

Download files

DooMKernel v22

SuperSU Beta v2.48

How to Root Xperia Z Ultra C6802 on Android 5.0.2 Lollipop build 14.5.A.0.242

Step 1: At-first you have to transfer the  SuperSU beta file to your Xperia Z Ultra’s internal storage. Please remember the location as we will need this.

Step 2: Now download and install ADB on your computer

Step 3: Now download Sony Drivers and install them on your computer

Step 4: Enable USB Debugging on Xperia Z  Ultra. In order to do that navigate to Settings > About Phone and then tap on the build number seven times. Now you will see USB debugging option. Check it

Step 5: Now connect Sony Xperia Z Ultra to computer. Now accept the connection on your phone about the USB debuggin when you see the pop up

Step 6: Now you have to extract the DooMKernel V22 file to get a boot.img

Step 7: Navigate to the boot.img folder

Step 8: Now open a command window. Just click on an empty space inside the folder then pres SHIFT + Right click, then select Open Command Windows here from the drop down menu

Step 9: Now a CMD window will open with the destination set to the folder where you have the boot.img file

Step 10: Now enter to the fastboot mode on your phone. While connected to PC just type following command prompt and press enter

adb reboot fastboot

Step 11: If you see a blue LED light on your Xperia Z Ultra then it is in fastboot mode

Step 12: Now boot the phone into the TWRP recovery by typing and entering following code

fastboot boot bot.img

Step 13: The fastboot will use boot.img from PC folder to boot the phone into recovery mode and open in the TWRP recovery

Step 14: Now create a backup in the recovery mode. To do that click on the Backup option

Step 15: Now Flash SuperSU beta file on Xperia Z Ultra. Now return to the main recovery menue and then select SuperSU file and then do a swipe on the Swipe to Confirm Flash option

Step 16: When the installation is completed, reboot your phone and then Tap on the Reboot >> System

Your Sony Xperia Z ultra is rooted now with a stock kernel & recovery in custom version. You should be able to get OTA notifications.

A cool Case for Z Ultra


  1. karan kumar May 1, 2015
  2. ripqhy May 13, 2015

Leave a Reply