[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in the forum eg the program (DooMLoRD_Easy-Rooting-Toolkit_v17_perf-event-exploit) and appears the error "ADB server is out of date" and (ADB did not hak) when i try without being in the way fastboot, and when i try in fastboot mode whit sony mobile flasher by androxyde, the software show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?