bummer, not so easy It seems that downloading the image is not possible from inside the Flashtool in the linux version, it requires an external windows binary "XperiFirm.exe"... I tried flashing using the image found in @ExplIT's link (which seems to be "F5121_34.0.A.2.292_Customized DE" but either the image is noncomplete or there is something dizzy about my environment/setup, as Flasher fails for "no loader" and "no flash script" ... Code: root@tither:~/.flashTool# cat flashtool_2017-09-19_05-49-28.log 19/031/2017 17:31:23 - INFO - <- This level is successfully initialized 19/031/2017 17:31:28 - INFO - Flashtool Version 0.9.23.1 built on 11-01-2017 15:12:00 19/031/2017 17:31:28 - INFO - libusb version 1.0.20 19/031/2017 17:31:28 - INFO - Executing search strategies to find proxy selector 19/031/2017 17:31:28 - INFO - No proxy found for gnome. Trying next one 19/031/2017 17:31:28 - INFO - No proxy found for kde. Trying next one 19/031/2017 17:31:28 - INFO - Proxy found for firefox 19/031/2017 17:31:29 - INFO - Syncing devices from github 19/031/2017 17:31:29 - INFO - Opening devices repository. 19/031/2017 17:31:30 - INFO - Scanning devices folder for changes. 19/031/2017 17:31:41 - INFO - Pulling changes from github. 19/031/2017 17:31:42 - INFO - Quietly closing devices repository. 19/031/2017 17:31:42 - INFO - Devices sync finished. 19/031/2017 17:31:42 - INFO - Loading devices database 19/031/2017 17:31:42 - INFO - Loaded 98 devices 19/031/2017 17:31:42 - INFO - Starting phone detection 19/031/2017 17:31:45 - INFO - Device disconnected 19/032/2017 17:32:07 - INFO - Device connected in flash mode 19/032/2017 17:32:43 - INFO - Selected Bundle for Sony Xperia X(F5121). FW release : 34.0.A.2.292. Customization : Customized DE 19/032/2017 17:32:43 - INFO - Preparing files for flashing 19/035/2017 17:35:10 - INFO - Please connect your device into flashmode. 19/035/2017 17:35:12 - INFO - Opening device for R/W 19/035/2017 17:35:12 - INFO - Device ready for R/W. 19/035/2017 17:35:12 - INFO - Reading device information 19/035/2017 17:35:12 - INFO - Phone ready for flashmode operations. 19/035/2017 17:35:12 - INFO - Opening TA partition 2 19/035/2017 17:35:12 - INFO - Current device : F5121 - CB512EV81U - 1302-4766_R2D - 1300-4911_34.3.A.0.194 - GENERIC_34.3.A.0.194 19/035/2017 17:35:12 - INFO - Closing TA partition 19/035/2017 17:35:12 - INFO - Start Flashing 19/035/2017 17:35:12 - INFO - No loader in the bundle. Searching for one 19/035/2017 17:35:12 - INFO - No matching loader found 19/035/2017 17:35:12 - WARN - No loader found or set manually. Skipping loader 19/035/2017 17:35:12 - INFO - Loader : S1_Root_d553 - Version : 1299-4841_S1_Boot_MSM8956_LA1.0.1_N_160 / Boot version : 1299-4841_S1_Boot_MSM8956_LA1.0.1_N_160 / Bootloader status : ROOTABLE 19/035/2017 17:35:12 - INFO - Max packet size set to 4M 19/035/2017 17:35:12 - INFO - USB buffer size set to 512K 19/035/2017 17:35:15 - INFO - Parsing boot delivery 19/035/2017 17:35:15 - INFO - No flash script found. 19/035/2017 17:35:15 - INFO - Flash script is mandatory. Closing session 19/035/2017 17:35:15 - INFO - Ending flash session 19/035/2017 17:35:15 - INFO - Flashing finished. 19/035/2017 17:35:15 - INFO - Please unplug and start your phone 19/035/2017 17:35:15 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings 19/035/2017 17:35:16 - INFO - Device connected in flash mode 19/036/2017 17:36:35 - INFO - Device disconnected root@tither:~/.flashTool#
root@tither:~/.flashTool# cat flashtool_2017-09-19_05-49-28.log 19/031/2017 17:31:23 - INFO - <- This level is successfully initialized 19/031/2017 17:31:28 - INFO - Flashtool Version 0.9.23.1 built on 11-01-2017 15:12:00 19/031/2017 17:31:28 - INFO - libusb version 1.0.20 19/031/2017 17:31:28 - INFO - Executing search strategies to find proxy selector 19/031/2017 17:31:28 - INFO - No proxy found for gnome. Trying next one 19/031/2017 17:31:28 - INFO - No proxy found for kde. Trying next one 19/031/2017 17:31:28 - INFO - Proxy found for firefox 19/031/2017 17:31:29 - INFO - Syncing devices from github 19/031/2017 17:31:29 - INFO - Opening devices repository. 19/031/2017 17:31:30 - INFO - Scanning devices folder for changes. 19/031/2017 17:31:41 - INFO - Pulling changes from github. 19/031/2017 17:31:42 - INFO - Quietly closing devices repository. 19/031/2017 17:31:42 - INFO - Devices sync finished. 19/031/2017 17:31:42 - INFO - Loading devices database 19/031/2017 17:31:42 - INFO - Loaded 98 devices 19/031/2017 17:31:42 - INFO - Starting phone detection 19/031/2017 17:31:45 - INFO - Device disconnected 19/032/2017 17:32:07 - INFO - Device connected in flash mode 19/032/2017 17:32:43 - INFO - Selected Bundle for Sony Xperia X(F5121). FW release : 34.0.A.2.292. Customization : Customized DE 19/032/2017 17:32:43 - INFO - Preparing files for flashing 19/035/2017 17:35:10 - INFO - Please connect your device into flashmode. 19/035/2017 17:35:12 - INFO - Opening device for R/W 19/035/2017 17:35:12 - INFO - Device ready for R/W. 19/035/2017 17:35:12 - INFO - Reading device information 19/035/2017 17:35:12 - INFO - Phone ready for flashmode operations. 19/035/2017 17:35:12 - INFO - Opening TA partition 2 19/035/2017 17:35:12 - INFO - Current device : F5121 - CB512EV81U - 1302-4766_R2D - 1300-4911_34.3.A.0.194 - GENERIC_34.3.A.0.194 19/035/2017 17:35:12 - INFO - Closing TA partition 19/035/2017 17:35:12 - INFO - Start Flashing 19/035/2017 17:35:12 - INFO - No loader in the bundle. Searching for one 19/035/2017 17:35:12 - INFO - No matching loader found 19/035/2017 17:35:12 - WARN - No loader found or set manually. Skipping loader 19/035/2017 17:35:12 - INFO - Loader : S1_Root_d553 - Version : 1299-4841_S1_Boot_MSM8956_LA1.0.1_N_160 / Boot version : 1299-4841_S1_Boot_MSM8956_LA1.0.1_N_160 / Bootloader status : ROOTABLE 19/035/2017 17:35:12 - INFO - Max packet size set to 4M 19/035/2017 17:35:12 - INFO - USB buffer size set to 512K 19/035/2017 17:35:15 - INFO - Parsing boot delivery 19/035/2017 17:35:15 - INFO - No flash script found. 19/035/2017 17:35:15 - INFO - Flash script is mandatory. Closing session 19/035/2017 17:35:15 - INFO - Ending flash session 19/035/2017 17:35:15 - INFO - Flashing finished. 19/035/2017 17:35:15 - INFO - Please unplug and start your phone 19/035/2017 17:35:15 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings 19/035/2017 17:35:16 - INFO - Device connected in flash mode 19/036/2017 17:36:35 - INFO - Device disconnected root@tither:~/.flashTool#