I'm clearly no expert here so what I'm doing wrong: 08/039/2017 12:39:09 - INFO - Flashtool Version 0.9.23.1 built on 11-01-2017 15:12:00 08/039/2017 12:39:09 - INFO - Executing search strategies to find proxy selector 08/039/2017 12:39:10 - INFO - No proxy found for IE. Trying next one 08/039/2017 12:39:10 - INFO - Strategy firefox failed trying next one : No Firefox installation found 08/039/2017 12:39:10 - INFO - No proxy found for java. Trying next one 08/039/2017 12:39:10 - INFO - Syncing devices from github 08/039/2017 12:39:10 - INFO - Opening devices repository. 08/039/2017 12:39:10 - INFO - Scanning devices folder for changes. 08/039/2017 12:39:19 - INFO - Pulling changes from github. 08/039/2017 12:39:20 - INFO - Quietly closing devices repository. 08/039/2017 12:39:20 - INFO - Devices sync finished. 08/039/2017 12:39:20 - INFO - Loading devices database 08/039/2017 12:39:20 - INFO - Loaded 98 devices 08/039/2017 12:39:20 - INFO - Starting phone detection 08/039/2017 12:39:25 - INFO - Device disconnected 08/040/2017 12:40:02 - INFO - Device connected with USB debugging on 08/040/2017 12:40:03 - INFO - Connected device : Sony Xperia X 08/040/2017 12:40:03 - INFO - Installed version of busybox : N/A 08/040/2017 12:40:03 - INFO - Android version : 7.1.1 / kernel version : 3.10.84-perf-gcb77bab-03149-gfe8d4a8 / Platform : 64bits / Build number : 34.3.A.0.217 08/040/2017 12:40:03 - INFO - Root access denied 08/040/2017 12:40:16 - INFO - Selected Bundle for Sony Xperia X(F5121). FW release : 34.0.A.2.301. Customization : NCB 08/040/2017 12:40:16 - INFO - Preparing files for flashing 08/041/2017 12:41:25 - INFO - Please connect your device into flashmode. 08/041/2017 12:41:58 - INFO - Device disconnected 08/042/2017 12:42:19 - INFO - Device connected in flash mode 08/042/2017 12:42:20 - INFO - Opening device for R/W 08/042/2017 12:42:20 - INFO - Reading device information 08/042/2017 12:42:20 - INFO - Unable to read from phone after having opened it. 08/042/2017 12:42:20 - INFO - trying to continue anyway 08/042/2017 12:42:20 - INFO - Phone ready for flashmode operations. 08/042/2017 12:42:20 - INFO - Opening TA partition 2 08/042/2017 12:42:20 - INFO - Start Flashing 08/042/2017 12:42:20 - INFO - No loader in the bundle. Searching for one 08/042/2017 12:42:34 - INFO - No matching loader found 08/042/2017 12:42:34 - WARN - No loader found or set manually. Skipping loader 08/042/2017 12:42:34 - INFO - Ending flash session 08/042/2017 12:42:34 - ERROR - null 08/042/2017 12:42:34 - ERROR - Error flashing. Aborted 08/042/2017 12:42:35 - INFO - Device connected in flash mode