[GUIDE][Lollipop] Rooting Xperia Z Ultra Lollipop

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Alvin Satrio Wibowo

Alvin Satrio Wibowo

Senior Member
May 30, 2013
170
157
Bandung
Rooting Xperia Z Ultra Lollipop

Requirements
Xperia Z Ultra running on lollipop
PC/Laptop
Driver installed

Downloads
KingrootV4.60 [download and install]
BETA-SuperSU-v2.49.zip [place on sd card]
ZU-lockeddualrecovery2.8.x-RELEASE.installer.zip [download and extract file on pc/laptop]

Instructions
*step 1 rooting with kingroot app
1. Turn on xperia z ultra
2. Go to settings>about phone>tap build number 7x until developer options appear
3. Go to settings>developer options and turn on the USB debugging
4. Open the kingroot app and root, wait until finished
==========================
*step 2 install recovery
1. connect xperia z ultra to pc/laptop
2. open the ZU-lockeddualrecovery2.8.15-RELEASE.installer that already extracted, then double click on install.bat
3. tap number 1, then tap enter
4. Done!! your z ultra is finally rooted:D
*If you want to check whether your z ultra is really rooted, you can use the root checker app on playstore​
 
Last edited:
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S

superyudi

New member
May 19, 2015
1
0
Help i stuck on step 2..when waiting connect device via usb for a lont time.. It didnt work..almost half hour. Thanks for help
 
R

reigbord

Member
May 21, 2012
31
14
in the second step the phone don't ask me to grant SU and don't reboot to recovery :(
root checker says me that i'm root and Super SU don't update the files....
i'm on Locked Bootloader
 

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Lightbird

Lightbird

Senior Member
Dec 28, 2013
95
39
reigbord said:
in the second step the phone don't ask me to grant SU and don't reboot to recovery :(
root checker says me that i'm root and Super SU don't update the files....
i'm on Locked Bootloader
Click to expand...
Click to collapse

So you have a rooted device whithout any control about wich app should have Root Access...

OUCH
 
J

juju legend

Member
Dec 26, 2012
12
0
Alvin Satrio Wibowo said:
it worked on my phone :rolleyes:
try to repeat the step one, make sure that it has been rooted. And don't reboot the phone...
then connect to pc and follow the step 2.
Click to expand...
Click to collapse

It doesn't work on my phone. It get stuck on step 2, now i have root from kinguser but can't boot into recovery and using superSU. Also i can't uninstall kinguser app and can't remove the root..
Damn, so frustating :rolleyes:
 
R

raoufn1984

Senior Member
Sep 6, 2010
76
3
juju legend said:
It doesn't work on my phone. It get stuck on step 2, now i have root from kinguser but can't boot into recovery and using superSU. Also i can't uninstall kinguser app and can't remove the root..
Damn, so frustating :rolleyes:
Click to expand...
Click to collapse


i have the same issue

stuck at step 2

---------- Post added at 04:37 PM ---------- Previous post was at 04:30 PM ----------
raoufn1984 said:
i have the same issue

stuck at step 2
Click to expand...
Click to collapse

in fact the command window wont recognize any keyboard strokes i enter ?!!

---------- Post added at 04:49 PM ---------- Previous post was at 04:37 PM ----------

can i do the steps manually ? i mean is there a way so i can write down the code in the cmd screen ?
 
R

royalva

Member
Aug 30, 2012
42
5
help...

ok.... lot of things happening.... kingroot says i am rooted... step 2 didnt work but after keep trying it worked once and said successful but it didnt reboot to recovery....
then even the root checker says "Root access is not properly installed...." :crying:
what are my options all my data is backed up.......
:crying:
ok now i went ahead and used the flashtool to flash 5.0.2 ftf that i made from downloading the files using XperiFirm.
Its booting up right now and this will hopefully get me back to where i was before...
After this I rooted using the Kingroot app version available in english in the XDA forum (plz search for it.. sorry i didnt save the link).
Now i am rooted with Kinguser as the superuser app
 
Last edited:
R

royalva

Member
Aug 30, 2012
42
5
At least we are rooted on stock lollipop... thats the good part... i have restored my titanium backups no issues.... i am rolling......:cool:
but can we trust the kinguser as the superuser app?
 
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    Alvin Satrio Wibowo
    Alvin Satrio Wibowo
    Rooting Xperia Z Ultra Lollipop

    Requirements
    Xperia Z Ultra running on lollipop
    PC/Laptop
    Driver installed

    Downloads
    KingrootV4.60 [download and install]
    BETA-SuperSU-v2.49.zip [place on sd card]
    ZU-lockeddualrecovery2.8.x-RELEASE.installer.zip [download and extract file on pc/laptop]

    Instructions
    *step 1 rooting with kingroot app
    1. Turn on xperia z ultra
    2. Go to settings>about phone>tap build number 7x until developer options appear
    3. Go to settings>developer options and turn on the USB debugging
    4. Open the kingroot app and root, wait until finished
    ==========================
    *step 2 install recovery
    1. connect xperia z ultra to pc/laptop
    2. open the ZU-lockeddualrecovery2.8.15-RELEASE.installer that already extracted, then double click on install.bat
    3. tap number 1, then tap enter
    4. Done!! your z ultra is finally rooted:D
    *If you want to check whether your z ultra is really rooted, you can use the root checker app on playstore​
    View
    9
    N
    najoor
    atisha said:
    I did that and that costs me su disappearance and even that Sony update refuses to install. So trying to get back my recovery mode I tried step 2 again but for some reason it no longer works. That install bat is stuck at step 3, moaning of unrecognised user and I'd, whatever that means. King root works my phone is rooted. But I'm stuck with it now in the absence of su app and recovery mode.

    Sent from my C6833 using XDA Free mobile app
    Click to expand...
    Click to collapse

    To you and anyone else who is considering using kingroot:

    Here is a warning for you if your plan is to initially root with kingroot and later replace it with supersu. Why do I think I'm qualified to make the following statements? Because I studied kingroot closely and wrote the first script to replace it with supersu on amazon fire phone. That script is even referenced by the authors of kingroot on xda as a way to replace it with supersu. I'm not out to bad mouth kingroot and in fact I think they provide a service. I only want to give you an objective explanation of what the price of that service is so you can make an informed decision on whether to use kingroot or opt for other options.

    1- Kingroot is written by a team in China. Beyond that I don't know anything about who they are and what their motivations are. They are also present on xda at this address: http://forum.xda-developers.com/android/apps-games/one-click-root-tool-android-2-x-5-0-t3107461

    2- Kingroot connects to servers in China during the root process and its authors say that it downloads the best root strategy that way. It also send some of your phone's personal information to China. No one knows exactly what is sent but from their xda page it is clear that at least the IMEI is among them. Here is a quote: "All your sensitive information such IMEI will be encrypted and interpreted into another number in order to calculate success rate."

    3- Conventional root exploits such as doomlord's and towelroot find a way to copy a binary code called su into the xbin directory, and another way to start it as a service at the boot up. Once this binary is in place any program can call it and obtain root, with or without your permission. When you install supersu on top of that it let's programs invoke root access through su only if you grant permission. Kingroot does a similar thing. It installs its own version of su and it adds is own version of superSU called kingsu.

    4- However, kingroot doesn't stop there and here is how it is different from other root methods. It sprinkles other files which are not essential to root privileges around your system and it also installs some bloatware (again unnecessary for root). What is more important is that it installs an intricate mechanism that prevents other vehicles from removing it. In fact, unless you write very complex Linux scripts, it is almost impossible to replace kingroot unless you use its own menus to disable it, after which you lose root. This seems to be intentional because the authors of kingroot do not want you to take them for a ride to just root the device and then get rid of them.

    5- Because of that protection mechanism kingroot effectively renders some parts of your operating system immutable which means no process can modify them. Therefore it is not a surprise that when you root with kingroot future software updates will fail to work because they simply cannot modify what kingroot has made immutable. For xperia phones the situation is even worse because sony has built a code into the system called RIC which makes the systems partitions read-only even after root is accomplished. Kingroot initially disables RIC to install itself but it doesn't patch or disable RIC afterwards. So kingroot cannot even uninstall itself from the systems later if you choose to do so.

    6- I wrote a script about 6 months ago to remove kingroot and its protection mechanism from the system and last time I checked it still worked on fire phone and Tablet Z. But I will not be surprised if future versions of kingroot make scripts like mine useless, if they already haven't. So my remedy is a bandaid.

    7- A much brighter mind than myself, the venerable @Chainfire quietly incorporated code into supersu version 2.49 that would disable and replace kingroot when flashed via recovery. Understandably that caused dismay for the writers of kingroot and they were actually quite vocal about it and pledged to do everything they can to prevent supersu to just come in and replace them: http://forum.xda-developers.com/showpost.php?p=61857510&postcount=1233 I'm not taking sides in that fight but know that kingroot will not go out of your system without a fight.

    So what are your options?

    A) Use kingroot and be happy with what it does and pay the price of the restrictions that it imposes on your system.

    B) use kingroot and then try flashing the latest supersu or a variation of my script or something like the supersume app (which doesn't work in many cases) but know that kingroot will do everything in its power to prevent that, and it gets better in its prevention as it evolves.

    C) Use kingroot, then install a recovery. Then erase the entire system partition via the recovery and install a pre-rooted system partition. It's a process that needs to be done very carefully.

    D) Forget about kingroot and just downgrade your OS to Kitkat and use conventional root methods that may be available for Kitkat, and then install a recovery and work your way up to Lollipop by installing pre-rooted upgrades.

    So there you have it folks. I gave you all the facts. You form your own opinion.
    View
    3
    A
    aegemino
    I made this account after lurking here forever as to help out fellow xperia z ultra owners. I got step 2 working after installing all the drivers on the flash tool. If step 2 is not working for you you lack the drivers . After installing all the drivers on my laptop and rebooting for good measure i tried again and it worked. It asked for permission to debug my phone and i was able to flash dual recovery and flash supersu aswell wich replaced king root. Then i removed it via titanium backup
    View
    3
    B
    benz666666
    It works!!!

    Rooting method works for the Z ultra 5.1.1 ( updated from 4.4.2 to 5.1.1 first via OTA, just got my ZU repaired for the LCD last Wednesday.)

    What I did to get a clean root for your Z ultra
    Activated developer mode and enabled usb debugging
    1. Root with Kingroot, downloaded it from their website and got the apk on the site.
    2.Download the dualrecovery the op pointed to and download the supersu
    3. Place super su on your sdcard
    3. Install adb program to install the adb drivers
    4. unzip the dual recovery
    5. Run the bat file and select 1
    - it will install the dual recovery to your zu and install twrp as well
    6. boots to twrp, id wiped the dalvik and the cache for good measure
    7. flashes the su that the op told us to use
    8.reboot to system yay.
    9. what to do with king user app, install a uninstall app that can remove system app, then nuke it .
    10. update your su and install root check to confirm
    11. now you have your rooted zu! ( first thing i did is install greenify and removed the small app launcher pronto)

    Many thanks to the OP!!!
    View
    1
    Alvin Satrio Wibowo
    Alvin Satrio Wibowo
    raoufn1984 said:
    the pc file is deleted or removed
    where can i get it ?
    Click to expand...
    Click to collapse

    tchsvy said:
    Link to dual recovery seems to be broken, can you please fix it?
    Click to expand...
    Click to collapse

    link edited :)
    View

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