[Xperia Z1 Q&A, Help & Troubleshooting] manjacus:
yes done again, same effect - lost IMEI, cell radio not working and home screen gone.

I have strage thing while flashing ftf, first time got error, second all going ok

29/049/2014 18:49:01 - INFO - Flashtool Version 0.9.16.1 built on 06-16-2014 23:00:00
29/049/2014 18:49:01 - INFO - Executing search strategies to find proxy selector
29/049/2014 18:49:01 - INFO - No proxy found for IE. Trying next one
29/049/2014 18:49:01 - ERROR - Error parsing settingsC:\Users\Manjac\AppData\Roaming\Mozilla\Firefox\Profiles\n4dc8641.default\prefs.js (Nie można odnaleźć określonego pliku)
29/049/2014 18:49:01 - INFO - Strategy firefox failed trying next one : java.io.FileNotFoundException: C:\Users\Manjac\AppData\Roaming\Mozilla\Firefox\Profiles\n4dc8641.default\prefs.js (Nie można odnaleźć określonego pliku)
29/049/2014 18:49:01 - INFO - No proxy found for java. Trying next one
29/049/2014 18:49:01 - INFO - Syncing devices from github
29/049/2014 18:49:01 - INFO - Pulling changes
29/049/2014 18:49:02 - INFO - Devices sync finished.
29/049/2014 18:49:06 - INFO - Device disconnected
29/052/2014 18:52:14 - INFO - Selected Bundle for Sony Xperia Z1 (C6903). FW release : 14.4.A.0.108. Customization : Customized_FR
29/052/2014 18:52:14 - INFO - Preparing files for flashing
29/052/2014 18:52:14 - INFO - Please connect your device into flashmode.
29/058/2014 18:58:20 - INFO - Device connected in flash mode
29/058/2014 18:58:20 - INFO - Opening device for R/W
29/058/2014 18:58:20 - INFO - Start Flashing
29/058/2014 18:58:20 - INFO - Processing loader.sin
29/058/2014 18:58:20 - INFO - Checking header
29/058/2014 18:58:20 - ERROR - Processing of loader.sin finished with errors.
29/058/2014 18:58:20 - INFO - Ending flash session
29/058/2014 18:58:20 - ERROR -
29/058/2014 18:58:20 - ERROR - Error flashing. Aborted
29/058/2014 18:58:20 - INFO - Device connected in flash mode
29/058/2014 18:58:50 - INFO - Selected Bundle for Sony Xperia Z1 (C6903). FW release : 14.4.A.0.108. Customization : Customized_FR
29/058/2014 18:58:50 - INFO - Preparing files for flashing
29/058/2014 18:58:50 - INFO - Please connect your device into flashmode.
29/058/2014 18:58:51 - INFO - Opening device for R/W
29/058/2014 18:58:51 - INFO - Reading device information
29/058/2014 18:58:51 - INFO - Phone ready for flashmode operations.
29/058/2014 18:58:51 - INFO - Current device : C6903 - BH90M6FH0D - 1276-9897_R1C - 1274-8313_14.3.A.0.757 - EURO-LTE_14.3.A.0.757
29/058/2014 18:58:51 - INFO - Start Flashing
29/058/2014 18:58:51 - INFO - Processing loader.sin
29/058/2014 18:58:51 - INFO - Checking header
29/058/2014 18:58:51 - INFO - Flashing data
29/058/2014 18:58:51 - INFO - Processing of loader.sin finished.
29/058/2014 18:58:52 - INFO - Loader : S1_Root_6732 - Version : LOADER_RELEASE_MSM8974_28_AID_4 / Boot version : S1_Boot_MSM8974_Rhine1.2_LA1.04_19 / Bootloader status : NOT_ROOTABLE
29/058/2014 18:58:52 - INFO - Processing partition-image.sin
29/058/2014 18:58:52 - INFO - Checking header
29/058/2014 18:58:52 - INFO - Flashing data
29/058/2014 18:58:52 - INFO - Processing of partition-image.sin finished.
29/058/2014 18:58:52 - INFO - Parsing boot delivery
29/058/2014 18:58:52 - INFO - Phone boot version : S1_Boot_MSM8974_Rhine1.2_LA1.04_19. Boot delivery version : S1_Boot_MSM8974_Rhine1.2_LA1.04_19
29/058/2014 18:58:52 - INFO - Boot delivery up to date. Nothing to do
29/058/2014 18:58:52 - INFO - Processing kernel.sin
29/058/2014 18:58:52 - INFO - Checking header
29/058/2014 18:58:52 - INFO - Flashing data
29/058/2014 18:58:53 - INFO - Processing of kernel.sin finished.
29/058/2014 18:58:53 - INFO - Processing rpm.sin
29/058/2014 18:58:53 - INFO - Checking header
29/058/2014 18:58:53 - INFO - Flashing data
29/058/2014 18:58:53 - INFO - Processing of rpm.sin finished.
29/058/2014 18:58:53 - INFO - Processing fotakernel.sin
29/058/2014 18:58:53 - INFO - Checking header
29/058/2014 18:58:53 - INFO - Flashing data
29/058/2014 18:58:55 - INFO - Processing of fotakernel.sin finished.
29/058/2014 18:58:55 - INFO - Processing amss_fs_2.sin
29/058/2014 18:58:55 - INFO - Checking header
29/058/2014 18:58:55 - INFO - Flashing data
29/058/2014 18:58:55 - INFO - Processing of amss_fs_2.sin finished.
29/058/2014 18:58:55 - INFO - Processing amss_fs_1.sin
29/058/2014 18:58:55 - INFO - Checking header
29/058/2014 18:58:55 - INFO - Flashing data
29/058/2014 18:58:55 - INFO - Processing of amss_fs_1.sin finished.
29/058/2014 18:58:55 - INFO - Processing amss_fsg.sin
29/058/2014 18:58:55 - INFO - Checking header
29/058/2014 18:58:55 - INFO - Flashing data
29/058/2014 18:58:55 - INFO - Processing of amss_fsg.sin finished.
29/058/2014 18:58:55 - INFO - Processing elabel-C6903-row_201401221511.1_14.4.A.0.108.sin
29/058/2014 18:58:55 - INFO - Checking header
29/058/2014 18:58:55 - INFO - Flashing data
29/058/2014 18:58:57 - INFO - Processing of elabel-C6903-row_201401221511.1_14.4.A.0.108.sin finished.
29/058/2014 18:58:57 - INFO - Flashing fota-reset.ta
29/058/2014 18:58:57 - INFO - Writing TA unit : [00, 00, 09, 64, 00, 00, 00, 01, 00]
29/058/2014 18:58:57 - INFO - Flashing cust-reset.ta
29/058/2014 18:58:57 - INFO - Custumization reset is now based on UI choice
29/058/2014 18:58:57 - INFO - Ending flash session
29/058/2014 18:58:57 - INFO - Flashing finished.
29/058/2014 18:58:57 - INFO - Please unplug and start your phone
29/058/2014 18:58:57 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings
29/058/2014 18:58:58 - INFO - Device connected in flash mode
29/059/2014 18:59:48 - INFO - Device disconnected

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solved

ok now I got it working - before first I was setting flashtool and connecting phone when asked -> efect = error

now I first connected phone in flashmode and then set flashing in flashtool -> efect = everything working OK

hope this will help to anyone having same issue