[Xperia Arc Q&A, Help & Troubleshooting] andersonsg:
Hi all,

Having some issues. The Xperia LT15i keeps on loading the boot up screen and repeat the screen. I can't boot into the system! What's happening? Any way to solve the issue?

I have already installed flashtool but keep having errors.

Log:

10/050/2014 21:50:38 - INFO - <- This level is successfully initialized

10/050/2014 21:50:38 - INFO - Flashtool Version 0.9.16.0 built on 19-04-2014 19:00:00

10/050/2014 21:50:40 - INFO - This is the first sync with devices on github. Renaming devices to devices.old

10/050/2014 21:50:40 - INFO - Cloning devices from github project

10/051/2014 21:51:39 - INFO - Devices sync finished.

10/051/2014 21:51:44 - INFO - Device disconnected

10/054/2014 21:54:19 - INFO - Device connected in flash mode

10/054/2014 21:54:39 - INFO - Please connect your device into flashmode.

10/054/2014 21:54:40 - INFO - Opening device for R/W

10/055/2014 21:55:19 - INFO - Processing loader.sin

10/055/2014 21:55:19 - INFO - Checking header

10/055/2014 21:55:19 - ERROR - Processing of loader.sin finished with errors.

10/055/2014 21:55:19 - ERROR -

10/055/2014 21:55:19 - INFO - Your phone bootloader cannot be officially unlocked

10/055/2014 21:55:19 - INFO - You can now unplug and restart your phone

10/055/2014 21:55:38 - INFO - Selected Bundle for SonyEricson X10 (X10). FW release : V1. Customization : BLRelock

10/055/2014 21:55:38 - INFO - Preparing files for flashing

10/055/2014 21:55:38 - INFO - Please connect your device into flashmode.

10/055/2014 21:55:39 - INFO - Opening device for R/W

10/055/2014 21:55:39 - INFO - Reading device information

10/055/2014 21:55:40 - INFO - Unable to read from phone after having opened it.

10/055/2014 21:55:40 - INFO - trying to continue anyway

10/055/2014 21:55:40 - INFO - Start Flashing

10/055/2014 21:55:40 - INFO - Processing loader.sin

10/055/2014 21:55:40 - INFO - Checking header

10/055/2014 21:55:40 - ERROR - Processing of loader.sin finished with errors.

10/055/2014 21:55:40 - INFO - Ending flash session

10/055/2014 21:55:40 - ERROR - Error in processHeader : 2 : The system cannot find the file specified.

10/055/2014 21:55:40 - ERROR - Error flashing. Aborted

10/055/2014 21:55:40 - INFO - Device disconnected

10/055/2014 21:55:54 - INFO - Device connected with USB debugging off

10/055/2014 21:55:54 - INFO - For 2011 devices line, be sure you are not in MTP mode

10/056/2014 21:56:00 - INFO - Device Status: NOT FOUND

10/056/2014 21:56:07 - ERROR - This action can only be done in fastboot mode

10/056/2014 21:56:14 - INFO - Device disconnected

10/056/2014 21:56:22 - INFO - Device connected in flash mode

10/056/2014 21:56:30 - INFO - Device Status: NOT FOUND

10/056/2014 21:56:46 - INFO - Selected null

10/056/2014 21:56:46 - INFO - Flash canceled

10/056/2014 21:56:55 - INFO - List of connected devices (Device Id) :

10/056/2014 21:56:55 - INFO - - USB\VID_0FCE&PID_ADDE\5&31816006&0&1	Driver installed : true

10/056/2014 21:56:55 - INFO - List of ADB devices :

10/056/2014 21:56:55 - INFO - - none

10/056/2014 21:56:55 - INFO - List of fastboot devices :

10/056/2014 21:56:55 - INFO - - none

10/057/2014 21:57:01 - INFO - Please connect your device into flashmode.

10/057/2014 21:57:02 - INFO - Opening device for R/W

10/057/2014 21:57:02 - INFO - Reading device information

10/057/2014 21:57:02 - INFO - Unable to read from phone after having opened it.

10/057/2014 21:57:02 - INFO - trying to continue anyway

10/057/2014 21:57:12 - INFO - Processing loader.sin

10/057/2014 21:57:12 - INFO - Checking header

10/057/2014 21:57:12 - ERROR - Processing of loader.sin finished with errors.

10/057/2014 21:57:12 - ERROR - Error in processHeader : 22 : The device does not recognize the command.

10/057/2014 21:57:12 - INFO - Your phone bootloader cannot be officially unlocked

10/057/2014 21:57:12 - INFO - You can now unplug and restart your phone

10/058/2014 21:58:03 - INFO - Please connect your device into flashmode.

10/058/2014 21:58:04 - INFO - Opening device for R/W

10/058/2014 21:58:04 - INFO - Reading device information

10/058/2014 21:58:04 - INFO - Unable to read from phone after having opened it.

10/058/2014 21:58:04 - INFO - trying to continue anyway

10/058/2014 21:58:18 - INFO - Processing loader.sin

10/058/2014 21:58:18 - INFO - Checking header

10/058/2014 21:58:18 - ERROR - Processing of loader.sin finished with errors.

10/058/2014 21:58:18 - ERROR - Error in processHeader : 87 : The parameter is incorrect.

10/058/2014 21:58:18 - INFO - Your phone bootloader cannot be officially unlocked

10/058/2014 21:58:18 - INFO - You can now unplug and restart your phone

10/058/2014 21:58:29 - INFO - Selected Bundle for SonyEricson X10 (X10). FW release : V1. Customization : BLRelock

10/058/2014 21:58:29 - INFO - Preparing files for flashing

10/058/2014 21:58:29 - INFO - Please connect your device into flashmode.

10/059/2014 21:59:03 - INFO - Flash canceled

10/059/2014 21:59:13 - ERROR - This action can only be done in fastboot mode

10/059/2014 21:59:20 - ERROR - This action needs a connected device in ADB mode

10/059/2014 21:59:27 - ERROR - This action can only be done in fastboot mode

10/059/2014 21:59:28 - ERROR - This action can only be done in fastboot mode

10/059/2014 21:59:31 - INFO - Device Status: NOT FOUND