[Sony Xperia Z Ultra] encryptioncsta:
Hey guys

I used flashtool to downgrade from 4.3 to 4.2.2 i have a c6866 but now i cant get my phone to work using mobile data as it says no service!!!

it says invalid sim even though its inserted correctly i flashed again with flashtool and i noticed i get this message

20/027/2014 08:27:38 - INFO - Phone ready for flashmode operations.

20/027/2014 08:27:38 - INFO - Current device : C6833 - EP7331CF2K - 1275-6410_R10A - 1274-7565_14.1.B.1.510 - EURO-LTE_14.1.B.1.510

20/027/2014 08:27:38 - INFO - Start Flashing

20/027/2014 08:27:38 - INFO - Processing loader.sin

20/027/2014 08:27:38 - INFO - Checking header

20/027/2014 08:27:38 - INFO - Flashing data

20/027/2014 08:27:39 - INFO - Loader : S1_Root_6732 - Version : MSM8974_23 / Boot version : S1_Boot_MSM8974_LA1.04_15 / Bootloader status : NOT_ROOTABLE

20/027/2014 08:27:39 - INFO - Disabling final data verification check

20/027/2014 08:27:39 - INFO - Processing partition-image.sin

20/027/2014 08:27:39 - INFO - Checking header

20/027/2014 08:27:39 - INFO - Flashing data

20/027/2014 08:27:39 - INFO - Processing kernel.sin

20/027/2014 08:27:39 - INFO - Checking header

20/027/2014 08:27:39 - INFO - Flashing data

20/027/2014 08:27:39 - INFO - Processing rpm.sin

20/027/2014 08:27:39 - INFO - Checking header

20/027/2014 08:27:39 - INFO - Flashing data

20/027/2014 08:27:40 - INFO - Processing fotakernel.sin

20/027/2014 08:27:40 - INFO - Checking header

20/027/2014 08:27:40 - INFO - Flashing data

20/027/2014 08:27:40 - INFO - Processing amss_fs_2.sin

20/027/2014 08:27:40 - INFO - Checking header

20/027/2014 08:27:40 - INFO - Flashing data

20/027/2014 08:27:40 - INFO - Processing amss_fs_1.sin

20/027/2014 08:27:40 - INFO - Checking header

20/027/2014 08:27:40 - INFO - Flashing data

20/027/2014 08:27:40 - INFO - Processing amss_fsg.sin

20/027/2014 08:27:40 - INFO - Checking header

20/027/2014 08:27:40 - INFO - Flashing data

20/027/2014 08:27:40 - INFO - Processing apps_log.sin

20/027/2014 08:27:40 - INFO - Checking header

20/027/2014 08:27:40 - INFO - Flashing data

20/027/2014 08:27:41 - INFO - Processing cache.sin

20/027/2014 08:27:41 - INFO - Checking header

20/027/2014 08:27:41 - INFO - Flashing data

20/027/2014 08:27:41 - INFO - Processing system.sin

20/027/2014 08:27:41 - INFO - Checking header

20/027/2014 08:27:41 - INFO - Flashing data

20/029/2014 08:29:09 - INFO - Processing userdata.sin

20/029/2014 08:29:09 - INFO - Checking header

20/029/2014 08:29:09 - INFO - Flashing data

20/029/2014 08:29:19 - INFO - Processing elabel-C6833-row_201307181159.1_14.1.B.1.510.sin

20/029/2014 08:29:19 - INFO - Checking header

20/029/2014 08:29:19 - INFO - Flashing data

20/029/2014 08:29:21 - INFO - Flashing cust-reset.ta

20/029/2014 08:29:21 - INFO - Custumization reset is now based on UI choice

20/029/2014 08:29:21 - WARN - This file is ignored : simlock.ta

20/029/2014 08:29:21 - INFO - Ending flash session

20/029/2014 08:29:21 - INFO - Flashing finished.

20/029/2014 08:29:21 - INFO - Please unplug and start your phone

20/029/2014 08:29:21 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings

20/029/2014 08:29:21 - INFO - Device connected in flash mode

20/029/2014 08:29:24 - INFO - Device disconnected

as you can see i see this as something to be worrying about :(

20/029/2014 08:29:21 - WARN - This file is ignored : simlock.ta

has flashtool lock my phone :S

also i attempted to update firmware and it fails to update every time :(