[Xperia Z2 General] vawn0001:
hi, im stuck at this process its not restarting just stuck there so many times.

08/006/2017 20:06:43 - INFO - Flashtool Version 0.9.18.6 built on 30-05-2015 22:30:00

08/006/2017 20:06:43 - INFO - Executing search strategies to find proxy selector

08/006/2017 20:06:43 - INFO - No proxy found for IE. Trying next one

08/006/2017 20:06:43 - INFO - Strategy firefox failed trying next one : No Firefox installation found

08/006/2017 20:06:43 - INFO - No proxy found for java. Trying next one

08/006/2017 20:06:44 - INFO - Syncing devices from github

08/006/2017 20:06:44 - INFO - Scanning devices folder for changes.

08/006/2017 20:06:53 - INFO - Pulling changes from github.

08/006/2017 20:06:54 - INFO - Devices sync finished.

08/007/2017 20:07:02 - INFO - Device connected with USB debugging off

08/007/2017 20:07:02 - INFO - For 2011 devices line, be sure you are not in MTP mode

08/007/2017 20:07:02 - INFO - Device disconnected

08/007/2017 20:07:02 - INFO - Device connected with USB debugging on

08/007/2017 20:07:02 - ERROR - root : this bundle is not valid

08/007/2017 20:07:03 - INFO - Connected device : Sony Xperia Z2

08/007/2017 20:07:03 - INFO - Installed version of busybox : N/A

08/007/2017 20:07:03 - INFO - Android version : 6.0.1 / kernel version : / Build number : 23.5.A.1.291

08/007/2017 20:07:03 - INFO - Phone in recovery mode

08/007/2017 20:07:03 - INFO - Root Access Allowed

08/007/2017 20:07:03 - INFO - Device connected with USB debugging off

08/007/2017 20:07:03 - INFO - For 2011 devices line, be sure you are not in MTP mode

08/007/2017 20:07:06 - INFO - Device connected with USB debugging on

08/007/2017 20:07:06 - ERROR - root : this bundle is not valid

08/007/2017 20:07:07 - INFO - Connected device : Sony Xperia Z2

08/007/2017 20:07:07 - INFO - Installed version of busybox : N/A

08/007/2017 20:07:07 - INFO - Android version : 6.0.1 / kernel version : 3.4.0-perf-g43ea728 / Build number : 23.5.A.1.291

08/007/2017 20:07:54 - ERROR - root : this bundle is not valid

08/007/2017 20:07:54 - INFO - Selected Bundle for Sony Xperia Z2 (D6503). FW release : 23.5.A.0.575. Customization : Customized MEA

08/007/2017 20:07:54 - INFO - Preparing files for flashing

08/007/2017 20:07:54 - INFO - Please connect your device into flashmode.

08/007/2017 20:07:58 - INFO - Device disconnected

08/009/2017 20:09:29 - INFO - Device connected in flash mode

08/009/2017 20:09:30 - INFO - Opening device for R/W

08/009/2017 20:09:30 - INFO - Reading device information

08/009/2017 20:09:30 - INFO - Phone ready for flashmode operations.

08/009/2017 20:09:30 - INFO - Current device : D6503 - CB5A24ZMZ9 - 1281-2117_R4D - 1278-4770_23.5.A.0.575 - GLOBAL-LTE_23.5.A.1.291

08/009/2017 20:09:30 - INFO - Start Flashing

08/009/2017 20:09:30 - INFO - Processing loader.sin

08/009/2017 20:09:30 - INFO - Checking header

08/009/2017 20:09:30 - INFO - Flashing data

08/009/2017 20:09:30 - INFO - Processing of loader.sin finished.

08/009/2017 20:09:31 - INFO - Loader : S1_Root_9c84 - Version : MSM8974AB_27 / Boot version : S1_Boot_MSM8974AB_LA3.0_M_3 / Bootloader status : ROOTABLE

08/009/2017 20:09:31 - INFO - Disabling final data verification check

08/009/2017 20:09:31 - INFO - No bootdelivery to send

08/009/2017 20:09:31 - INFO - Processing kernel.sin

08/009/2017 20:09:31 - INFO - Checking header

08/009/2017 20:09:31 - INFO - Flashing data

08/009/2017 20:09:32 - INFO - Processing of kernel.sin finished.

08/009/2017 20:09:32 - INFO - Ending flash session

08/009/2017 20:09:32 - INFO - Flashing finished.

08/009/2017 20:09:32 - INFO - Please unplug and start your phone

08/009/2017 20:09:32 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings

08/009/2017 20:09:33 - INFO - Device connected in flash mode