Root Xperia Z on stock 10.3.1.A.0.244/2.67 Firmware

Are you looking for a safe root method that can be applied on your Sony Xperia Z? Well, now, thanks to those of xda-developers you can learn how to easily and safely root your smartphone. This tutorial will be compatible with the Xperia Z model numbers: C660, C6602 and C6603 and for the firmware version 10.3.1.A.0.244 or 10.3.1.A.2.67. So if your handset is running on one of the mentioned kernels, then you will be able to complete this step by step guide; else, try to find a guide that is suitable with your phone and with its firmware.

Do note that this is not the only root guide available for your Sony Xperia Z; therefore, if this isn’t on your taste, use our previous tutorials and use the root solution that you prefer the most. Anyhow, either way, before starting to root your Xperia Z C660, C6602 or C6603, read the guidelines from below. This guide is not official so you should consider the same risky and complex – for avoiding the unpleasant situations stick to the steps from below and don’t perform things by yourselves.

The first thing to know when trying to gain root access is the warranty aspect: always, when rooting the warranty gets void. This is happening because root access isn’t granted by Sony or by the carrier from where you bought your device. Actually, the handset is being delivered with carrier and default restrictions that are preventing you from root. But thanks to third party devs, the root access can be granted anyway. So, the warranty will get void; luckily for you, the same can also be restored. All you will have to do will be to relock the system of your handset by re-flashing the factory restrictions. But, how? Well, quite easy: just downgrade your Xperia Z to stock Android OS, or update with an OTA update released by Sony.

As mentioned, root means gaining access to your phone’s internal system. So, gain root access if you want to customize your device and its performances. Basically, on a rooted system you can remove in built programs, you can add new features, you can install custom and complex apps, you can update with a custom ROM, you can flash a custom kernel, you can overclock the CPU and you can upgrade the battery life. Therefore, the root access is the first step to make when trying to tweak your Sony Xperia Z.

In order to conclude, here is what you should know so far:

  • Root is not official, so the warranty of your Xperia Z will get void.
  • This is a complex operation, so stick to the guidelines from this tutorial.
  • By gaining root access you will remove the factory restrictions and default settings from your phone, so you can start tweaking your smartphone.
  • This guide is compatible only for the Xperia Z model numbers : C660, C6602 and C6603.
  • Furthermore apply this step by step guide only if your device is powered by 10.3.1.A.0.244 or 10.3.1.A.2.67 firmware.

Good, now let’s see which the pre requisites are:

  • A computer will be required along with your Xperia Z and with its USB cable.
  • On your handset the USB debugging option must be enabled; go to “settings -> applications -> development” and ensure the same.
  • The battery of your phone should be more than 59%; if not you will have to plug the charger in.
  • On both computer and smartphone you need to deactivate, or uninstall the security tools and protection; mainly take care of the antivirus and antimalware programs.
  • On your computer download the following files: the root compatible kernel for the Xperia Z (from here), the root toolkit from here (extract the file on desktop), XperiaZ_C660X_KernelOnly_10.3.1.A.2.67.ftf (from this page) or XperiaZ_C660X_KernelOnly_10.3.1.A.0.244_BE.ftf (from here) depending on your phone’s firmware version, the flash tool by using this link (install the flash tool on your computer) and the Sony Xperia Z USB drivers from here (also install the drivers on your computer).

Now, just before starting the root operation, backup the Xperia Z data, or at least the data which is saved on your phone’s internal storage memory. In some cases, after gaining root access, the data is corrupted, or erased. So, for avoiding the unpleasant situations from happening, before going any further use suitable backup and restore apps from Google Play and perform a proper backup.

How to Root Xperia Z (C660, C6602 and C6603) on stock 10.3.1.A.0.244/2.67 Firmware

  1. Connect your smartphone with the computer.
  2. Run the flash tool program on your PC.
  3. Install the following Kernel file on which the exploit works: XperiaZ_C660X_KernelOnly_10.3.A.0.423_Generic_NL.f tf.
  4. Wait while the installation procedure is running.
  5. In the end, unplug the USb cable and reboot your device.
  6. Remember that USB debugging must be enabled on your Xperia Z.
  7. Connect your smartphone with the PC via USB cable.
  8. Up next, on your computer open the Easy Root Toolkit folder; from there run the executable file: “runme_win.bat”.
  9. A cmd window will be displayed on your computer asking you to press any key.
  10. Do that.
  11. Your handset will now be rooted.
  12. Open your phone’s app drawer and look for the SuperSU app.
  13. Now, run the Sony Flash Tool program once more and flash the downloaded software file, corresponding to your phone’s firmware version.
  14. In the end, disconnect your Xperia Z from the computer by unplugging the USB cord.
  15. Reboot your device.

Good job; now your Sony Xperia Z is rooted which means that you can install CWM recovery on your phone or perform other complex and important operations. Do share your impressions and results with us by using the comments area from below and stay close as more suitable step by step guides will be developed for your smartphone.

Sony Xperia Z Articles

  • donna

    thanks! very useful, i suppose, but before I get to rooting, I would like to ask if I could still use the PC Companion and update via Sony if ever they would come up with new ones in the future, like upgrading to 4.3???

    • :D

      Yes you would, just plug it into your computer and check for updates.

  • claudio

    does this process erase all my data?

    • http://www.sergeantshost.com/ Cas Eliëns

      There is a chance that this will clear all data from your internal memory, but Sony ships the phones with a backup utility so just run that first ;)

  • jamo

    don’t understand no:3 where do you install kernal file??????? and what if i have 6603????

  • husam

    hey im using xperia z c6602 10.3.1.A.2.67 what to do then???? plz help

  • dumbdot

    Hi. C6603 user here with 2.67 firmware . Somehow I can’t find the USB debugging option in my settings, am I blind? Can someone locate it for me ? Thanks!

    • vigneshprince

      goto
      Settings->About phone-> and tap the build number many times! then it will so ‘now u r a developer’ go back u can see the options

  • dumbdot

    Oh I’ve found it. Sorry

  • http://www.sergeantshost.com/ Cas Eliëns

    I can’t seem to add the kernel to Emma, it only displays some update file

    • vigneshprince

      use flashtool

  • Lawliet

    Great tutorial, works perfectly as long as you read carefully!!! I had to read it through a few times as I had missed important details and I feel these may have to be like in bold or underlined text just so people don’t miss them as people seem to be confused XD
    Great tutorial though

  • Daniel Caleça

    Great work ppl..I just changed somthing because i coulden’t flash my sony with the flash tool EMMA, so I ussed Sony Mobile Flasher by Androxyde or also knowed as flashtool-0.9.14.0-windows.
    Thanks a lot, Continue the great job..=)

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