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[Noob]problem with root sony xperia SP 4.3 / V.201

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eserogta
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Prompt [Noob]problem with root sony xperia SP 4.3 / V.201

i'm new on this forum or not in android tricks, but I do not understand almost nothing of this phone, xperia sp, I just want to root the phone and install a compatible CWM, already tested to root through the alert sofware, zroot, android ultimate tool box pro , root android exe, root genious and many others.
So I tried other methods presented here in the forum eg the program (DooMLoRD_Easy-Rooting-Toolkit_v17_perf-event-exploit) and appears the error "ADB server is out of date" and (ADB did not hak) when i try without being in the way fastboot, and when i try in fastboot mode whit sony mobile flasher by androxyde, the software show me this ---> (08/059/2014 14:59:45 - INFO - <- This level is successfully initialized
08/059/2014 14:59:45 - INFO - Flashtool Version 0.9.16.0 built on 19-04-2014 19:00:00
08/059/2014 14:59:47 - INFO - Checking if changes have been made to devices folder.
08/059/2014 14:59:55 - INFO - Pulling changes from github
08/059/2014 14:59:55 - INFO - Devices sync finished.
08/059/2014 14:59:56 - INFO - Device connected in fastboot mode
08/002/2014 15:02:53 - INFO - Selected kernel (boot.img or kernel.sin): C:\Flashtool\firmwares\SP_DooMLoRD_AdvStkKernel_FW-266_v01.elf
08/002/2014 15:02:53 - INFO - Flashing selected kernel
08/002/2014 15:02:54 - INFO - sending 'boot' (11009 KB)...
08/002/2014 15:02:54 - INFO - FAILED (remote: The Device must be rooted first)
08/002/2014 15:02:54 - INFO - finished. total time: 0.008s
08/002/2014 15:02:54 - INFO - FASTBOOT Output:
sending 'boot' (11009 KB)...
FAILED (remote: The Device must be rooted first)
finished. total time: 0.008s

08/002/2014 15:02:54 - INFO - Please check the log before rebooting into system)


My version of android is JB 4.3 updated by sony update and the kernel version is 3.4.0-perf-ga1d7493 BuildUser@buildHost#1 mon Feb 10 17:23:44 2014 compilation Number 12.1.A.1.201. Model Xperia SP C50303
Can anyone help me or have had this error?
 
antkalaitzakis96
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You are trying to flash a kernel on a locked bootloader..you can unlock it and flash the kernel but since you are a noob I would suggest you to downgrade back to 4.1 and root your phone using doomlord's method for locked bootloaders and then install a 4.3 custom rom
 
mrhnet
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(Last edited by mrhnet; 9th May 2014 at 01:47 AM.)
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Don't try to apply things blindly to your phone, hoping for root. Might end up with a brick. . There's no exploit found in newest firmware to root it while in locked bootloader yet. You can go thorough this index to see what it means and other relevant info about our SP: http://forum.xda-developers.com/show....php?t=2618222

This is another thread with similar query as yours.. checkout it's replies..
http://forum.xda-developers.com/show....php?t=2738106

Happy rooting!

Edit: corrected the link
 
Vforvanadium
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(Last edited by Vforvanadium; 12th May 2014 at 10:50 AM.)
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Can someone please help me as well.. I have an Xperia SP currently running 4.1.2 rooted, bootloader locked.
My aim is to upgrade to 4.3.3 and root, for which i will have to unlock the bootloader. To do so I need a TA partition Backup, for which again, root is required.
So, my question is that is it okay if I take a TA Backup now [in 4.1.2] and then upgrade OTA and unlock bootloader, root and then restore the 4.1.2 TA backup onto 4.3.3 in order to restore DRM keys and Relock the bootloader?
Has anyone done this?
is it safe?




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