Can't flash neither repair with Xperia Companion. *Stuck on boot animation* - Xperia Z2 Q&A, Help & Troubleshooting

I tried to install the Pokémon Go hack from tutuapp, when it finally finished installing everything seemed to be cool but all the applications started to crash one by one, then as a quick move I turned my phone off. After, I tried to turn it on but it just got stuck on the boot animation looping every time.
I have tried all of these methods in order to repair my phone:
- I used the Xperia Companion repair tool but it just gives me this error every single time I try:
Código de error: UEUpdateFailed
UE_2005
-I have tried to flash with all of the possible versions of firmware for my phone from Android Kitkat to Marshmallow and no one of them works when I try to flash. The log of flashtool (v 0.9.22.3) is the following:
09/021/2016 00:21:15 - INFO - <- This level is successfully initialized
09/021/2016 00:21:15 - INFO - Flashtool Version 0.9.22.3 built on 08-06-2016 22:30:00
09/021/2016 00:21:15 - INFO - Executing search strategies to find proxy selector
09/021/2016 00:21:15 - INFO - No proxy found for IE. Trying next one
09/021/2016 00:21:16 - INFO - No proxy found for firefox. Trying next one
09/021/2016 00:21:16 - INFO - No proxy found for java. Trying next one
09/021/2016 00:21:16 - INFO - Syncing devices from github
09/021/2016 00:21:16 - INFO - Opening devices repository.
09/021/2016 00:21:16 - INFO - Scanning devices folder for changes.
09/021/2016 00:21:20 - INFO - Pulling changes from github.
09/021/2016 00:21:20 - INFO - Quietly closing devices repository.
09/021/2016 00:21:20 - INFO - Devices sync finished.
09/021/2016 00:21:20 - INFO - Loading devices database
09/021/2016 00:21:20 - INFO - Loaded 92 devices
09/021/2016 00:21:20 - INFO - Starting phone detection
09/021/2016 00:21:25 - INFO - Device disconnected
09/021/2016 00:21:34 - INFO - Selected Bundle for Sony Xperia Z2(D6503). FW release : 23.5.A.1.291. Customization : Customized GEL
09/021/2016 00:21:34 - INFO - Preparing files for flashing
09/021/2016 00:21:48 - INFO - Please connect your device into flashmode.
09/022/2016 00:22:14 - INFO - Device connected in flash mode
09/022/2016 00:22:14 - INFO - Opening device for R/W
09/022/2016 00:22:14 - INFO - Reading device information
09/022/2016 00:22:14 - INFO - Phone ready for flashmode operations.
09/022/2016 00:22:14 - INFO - Opening TA partition 2
09/022/2016 00:22:15 - INFO - Current device : D6503 - CB5A20C0U8 - 1281-9709_R3D - 1278-4770_23.5.A.1.291 - GLOBAL-LTE_23.5.A.1.291
09/022/2016 00:22:15 - INFO - Closing TA partition
09/022/2016 00:22:15 - INFO - Start Flashing
09/022/2016 00:22:15 - INFO - Processing loader.sin
09/022/2016 00:22:15 - INFO - Checking header
09/022/2016 00:22:15 - INFO - Flashing data
09/022/2016 00:22:15 - INFO - Loader : S1_Root_9c84 - Version : MSM8974AB_27 / Boot version : S1_Boot_MSM8974AB_LA3.0_M_3 / Bootloader status : ROOTABLE
09/022/2016 00:22:15 - INFO - Max packet size set to 512K
09/022/2016 00:22:15 - INFO - USB buffer size set to 512K
09/022/2016 00:22:15 - INFO - Parsing boot delivery
09/022/2016 00:22:20 - INFO - Found a template session. Using it : C:\Users\Alex\.flashTool\devices\D65XX\default.fsc
09/022/2016 00:22:20 - INFO - Opening TA partition 2
09/022/2016 00:22:20 - INFO - Writing TA unit 00002774. Value : 01
09/022/2016 00:22:20 - INFO - Closing TA partition
09/022/2016 00:22:21 - INFO - Flashing finished.
09/022/2016 00:22:21 - INFO - Please unplug and start your phone
09/022/2016 00:22:21 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
Note: Despites it says that is has finished flashing the phone continues in the same condition.
- I used fastboot mode to get the information about the bootloader status and it didn't work.
- I did try the tipically advices like:
--> using a different USB port from my computer.
--> Reinstalling both Xperia Companion and Flashtool (even an old version).
--> Reinstalling all the necessary drivers.
--> Rebooting Windows
--> Tried on three different computers.
I have looked in every single page on the internet for my problem but everything failed (even in forums from different languages like Russian, Indian,etc., ooh and Spanish (jk).
I really need help with this one, I'm a man of patience but this is the first time that something like this occurs to me.
Thanks.

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From the log you provided it shows that you have only flashed loader.sin to your Z2, which leaving system.sin, kernel.sin, fota_kernel.sin behind. Make sure you did have the thing circled in red present or ticked in the screenshot attached.

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Caitlin550 said:
Were you able to use the fastboot flash command?
Click to expand...
Click to collapse
Not at all, it didn't work.

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iXaidyiu said:
From the log you provided it shows that you have only flashed loader.sin to your Z2, which leaving system.sin, kernel.sin, fota_kernel.sin behind. Make sure you did have the thing circled in red present or ticked in the screenshot attached.
Click to expand...
Click to collapse
system.sin, kernel.sin, fota_kernel.sin are all included before I start flashing, and also I checked both APPS_LOG and USERDATA options.

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aleks307 said:
system.sin, kernel.sin, fota_kernel.sin are all included before I start flashing, and also I checked both APPS_LOG and USERDATA options.
Click to expand...
Click to collapse
Then it seems to be the problem of flashtool. Try uninstalling it and reinstall the latest version on the web and reflash with FSC script, see if the problem still exist.
Sent from my Sony Xperia Z2 using XDA Labs

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you have to wipe every thing (apps_log and userdata) and make sure the FTF is functional maybe the download wasnt fully completed so it missed parts of the installation