Dobra, poczytałem na innych forach i skorzystałem z kilku wniosków. Zmieniłem podłączenie z przedniego portu USB na tylny i do tego trzymałem przez cały proces flashowania Volume Down . Według logów wszystko jest okej. Teraz czekam, aż telefon mi się uruchomi, bo krytyczny stan baterii i musi się chwilę podładować. Wgrałem Androida Marshamallow pobranego z XperiFirm. Zaraz dam znać czy działa, a tutaj logi.
27/024/2016 19:24:48 - INFO - Start Flashing
27/024/2016 19:24:48 - INFO - Processing loader.sin
27/024/2016 19:24:48 - INFO - Checking header
27/024/2016 19:24:48 - INFO - Flashing data
27/024/2016 19:24:49 - INFO - Loader : S1_Root_9c84 - Version : MSM8974AB_22 / Boot version : S1_Boot_MSM8974AC_LA3.0_L_37 / Bootloader status : ROOTABLE
27/024/2016 19:24:49 - INFO - Max packet size set to 524288K
27/024/2016 19:24:49 - INFO - USB buffer size set to 524288K
27/024/2016 19:24:56 - INFO - No flash script found. Using 0.9.18 flash engine
27/024/2016 19:24:56 - INFO - Opening TA partition 2
27/024/2016 19:24:56 - INFO - Writing TA unit 00002774. Value : 01
27/024/2016 19:24:56 - INFO - Closing TA partition
27/024/2016 19:24:56 - INFO - Processing partition.sin
27/024/2016 19:24:56 - INFO - Checking header
27/024/2016 19:24:56 - INFO - Flashing data
27/024/2016 19:24:57 - INFO - Opening TA partition 2
27/024/2016 19:24:57 - INFO - Processing aboot.sin
27/024/2016 19:24:57 - INFO - Checking header
27/024/2016 19:24:57 - INFO - Flashing data
27/024/2016 19:24:57 - INFO - Processing boot.sin
27/024/2016 19:24:57 - INFO - Checking header
27/024/2016 19:24:57 - INFO - Flashing data
27/024/2016 19:24:58 - ERROR - Processing of boot.sin finished with errors.
27/024/2016 19:24:58 - INFO - Ending flash session
27/025/2016 19:25:02 - ERROR - Read error :31 : Urządzenie dołączone do komputera nie działa.
27/025/2016 19:25:02 - ERROR - Error flashing. Aborted
27/025/2016 19:25:02 - INFO - Flashing finished.
27/025/2016 19:25:02 - INFO - Please unplug and start your phone
27/025/2016 19:25:02 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
27/025/2016 19:25:03 - INFO - Device connected in flash mode
27/026/2016 19:26:15 - INFO - Device disconnected
27/026/2016 19:26:52 - INFO - Selected Bundle for Sony Xperia Z3(D6603). FW release : Marshamllow. Customization : Poland
27/026/2016 19:26:52 - INFO - Preparing files for flashing
27/028/2016 19:28:26 - INFO - Please connect your device into flashmode.
27/029/2016 19:29:17 - INFO - Device connected in flash mode
27/029/2016 19:29:17 - INFO - Opening device for R/W
27/029/2016 19:29:17 - INFO - Reading device information
27/029/2016 19:29:17 - INFO - Phone ready for flashmode operations.
27/029/2016 19:29:17 - INFO - Opening TA partition 2
27/029/2016 19:29:17 - INFO - Current device : D6603 - BH90ZSD71L - 1288-5530_R7C - 1282-2729_23.4.A.1.264 - GLOBAL-LTE_23.4.A.1.264
27/029/2016 19:29:17 - INFO - Closing TA partition
27/029/2016 19:29:17 - INFO - Start Flashing
27/029/2016 19:29:17 - INFO - Processing loader.sin
27/029/2016 19:29:17 - INFO - Checking header
27/029/2016 19:29:17 - INFO - Flashing data
27/029/2016 19:29:19 - INFO - Loader : S1_Root_9c84 - Version : MSM8974AB_27 / Boot version : S1_Boot_MSM8974AC_LA3.0_L_37 / Bootloader status : ROOTABLE
27/029/2016 19:29:19 - INFO - Max packet size set to 524288K
27/029/2016 19:29:19 - INFO - USB buffer size set to 524288K
27/029/2016 19:29:26 - INFO - Parsing boot delivery
27/029/2016 19:29:27 - INFO - No flash script found. Using 0.9.18 flash engine
27/029/2016 19:29:27 - INFO - Opening TA partition 2
27/029/2016 19:29:28 - INFO - Writing TA unit 00002774. Value : 01
27/029/2016 19:29:28 - INFO - Closing TA partition
27/029/2016 19:29:28 - INFO - Processing partition.sin
27/029/2016 19:29:28 - INFO - Checking header
27/029/2016 19:29:28 - INFO - Flashing data
27/029/2016 19:29:28 - INFO - Phone boot version : S1_Boot_MSM8974AC_LA3.0_L_37. Boot delivery version : S1_Boot_MSM8974AC_LA3.0_L_37
27/029/2016 19:29:28 - INFO - Boot delivery up to date. Nothing to do
27/029/2016 19:29:28 - INFO - Opening TA partition 2
27/029/2016 19:29:28 - INFO - Closing TA partition
27/029/2016 19:29:28 - INFO - Opening TA partition 2
27/029/2016 19:29:28 - INFO - Processing amss_fsg.sin
27/029/2016 19:29:28 - INFO - Checking header
27/029/2016 19:29:28 - INFO - Flashing data
27/029/2016 19:29:28 - INFO - Processing amss_fs_1.sin
27/029/2016 19:29:28 - INFO - Checking header
27/029/2016 19:29:28 - INFO - Flashing data
27/029/2016 19:29:28 - INFO - Processing amss_fs_2.sin
27/029/2016 19:29:28 - INFO - Checking header
27/029/2016 19:29:28 - INFO - Flashing data
27/029/2016 19:29:28 - INFO - Processing apps_log.sin
27/029/2016 19:29:28 - INFO - Checking header
27/029/2016 19:29:28 - INFO - Flashing data
27/029/2016 19:29:28 - INFO - Processing cache.sin
27/029/2016 19:29:28 - INFO - Checking header
27/029/2016 19:29:28 - INFO - Flashing data
27/029/2016 19:29:30 - INFO - Processing fotakernel.sin
27/029/2016 19:29:30 - INFO - Checking header
27/029/2016 19:29:30 - INFO - Flashing data
27/029/2016 19:29:32 - INFO - Processing kernel.sin
27/029/2016 19:29:32 - INFO - Checking header
27/029/2016 19:29:32 - INFO - Flashing data
27/029/2016 19:29:33 - INFO - Closing TA partition
27/029/2016 19:29:33 - INFO - Opening TA partition 2
27/029/2016 19:29:34 - INFO - Processing system.sin
27/029/2016 19:29:34 - INFO - Checking header
27/029/2016 19:29:34 - INFO - Flashing data
27/035/2016 19:35:57 - INFO - Processing userdata.sin
27/035/2016 19:35:57 - INFO - Checking header
27/035/2016 19:35:57 - INFO - Flashing data
27/036/2016 19:36:34 - INFO - Closing TA partition
27/036/2016 19:36:34 - INFO - Opening TA partition 2
27/036/2016 19:36:34 - INFO - Flashing fota-reset.ta to partition 2
27/036/2016 19:36:34 - INFO - Writing TA unit 00000964. Value : 00
27/036/2016 19:36:34 - INFO - Closing TA partition
27/036/2016 19:36:34 - INFO - Opening TA partition 2
27/036/2016 19:36:35 - INFO - Processing elabel.sin
27/036/2016 19:36:35 - INFO - Checking header
27/036/2016 19:36:35 - INFO - Flashing data
27/036/2016 19:36:37 - INFO - Closing TA partition
27/036/2016 19:36:37 - INFO - Opening TA partition 2
27/036/2016 19:36:37 - INFO - Writing TA unit 00002725. Value : 32 30 31 36 2D 30 34 2D 32 37 20 31 39 3A 33 36 3A 33 37 00
27/036/2016 19:36:37 - INFO - Writing TA unit 00002774. Value : 00
27/036/2016 19:36:37 - INFO - Closing TA partition
27/036/2016 19:36:37 - INFO - Ending flash session
27/036/2016 19:36:38 - INFO - Flashing finished.
27/036/2016 19:36:38 - INFO - Please unplug and start your phone
27/036/2016 19:36:38 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
27/036/2016 19:36:38 - INFO - Device connected in flash mode
27/036/2016 19:36:51 - INFO - Device disconnected
Czekam - aktualnie się coś ruszyło.Widnieje logo Orange, bo Rom brandowany na Orange. Wiem, że to pierwsze uruchomienie, więc może minąć chwila.