Sony’s latest device, the Xperia Z, is one of those “difficult” devices to deal with, or at least its bootloader-locked variant. This last bit makes fun things like rooting into quite a challenge and an annoyance for many. Luckily, the thrills of getting new devices rooted and more functional are always enough to keep a few of our great devs up pulling all nighters in order to get the projects over and done. If you are one of the lucky owners of this handset and have been missing the ability to root, you are in luck because XDA Recognized Developer DooMLoRD brings us some interesting developments from the rooting front lines.
According to DooMLoRD, a dev by the name of XDA Forum Member goroh_kun, who was a key dev in the bootloader cracking of the Xperia X10, has an exploit to grant root level access to the Xperia Z. Several devs have looked at the exploit and tested it, thus successfully achieving root via this method. The steps are fairly straight forward, but there may be a couple of hiccups after the process is completed. For instance, there have been reports of NFC no longer working after applying the exploit. If this happens, the easy fix, according to goroh_kun, is to delete the /data/usf directory. Moreover, if you have an unlockable bootloader, its status may change after the exploit. Flashing back to stock via SEUS seems to solve this issue, but you will likely lose root by doing this.
If you don’t feel like applying the exploit by hand, XDA Recognized Developer Bin4ry also has gotten to work with the exploit. He added it to his already popular Root MANY ANDROID!, which is a script that can be used to root a wide variety of Android devices. The script includes many different exploits, all lumped into an easy to use package that will save you a few headaches. In this case, Bin4ry added goroh_kun’s exploit and also made a small tweak that eliminates the NFC error described above.
So, if you have a locked Z and want to root it, now is your chance. Please read all the instructions carefully if you are thinking of applying the raw exploit and make sure that you report any and all bugs that you may run into. Have fun and happy rooting!
Xperia Z with stock Sony JB firmware (as of now tested on: 10.1.D.0.317, 10.1.D.0.322, 10.1.A.1.350)
works on both locked/unlockable bootloaders! (waiting for reports from unlocked bootloader devices)
You can find more information in the original thread.
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[Thanks krabappel2548 for the tip!]_________