[Sony Ericsson XPERIA X10 Mini] Megyei Bíróság:
In 2017 as a 15 year old, boneheadedly , I tried to custom upgrade my phone to 2.3 (2.1 originally). Now in 2022 I decided to repair it with flashing. However it didn't work out. The only change happened: Until now I was in a Bootloop: The Sony Ericcson logo appeared, then shut down, repeat. Now there is a warning icon appearing, but nothing further :-(. I attach the log file. Please help!!!

07/029/2022 14:29:13 - INFO - <- This level is successfully initialized

07/029/2022 14:29:14 - INFO - Flashtool Version 0.9.23.1 built on 11-01-2017 15:12:00

07/029/2022 14:29:14 - INFO - Executing search strategies to find proxy selector

07/029/2022 14:29:14 - INFO - No proxy found for IE. Trying next one

07/029/2022 14:29:14 - INFO - Strategy firefox failed trying next one : No Firefox installation found

07/029/2022 14:29:14 - INFO - No proxy found for java. Trying next one

07/029/2022 14:29:14 - INFO - Syncing devices from github

07/029/2022 14:29:14 - INFO - Opening devices repository.

07/029/2022 14:29:14 - INFO - Scanning devices folder for changes.

07/029/2022 14:29:21 - INFO - Quietly closing devices repository.

07/029/2022 14:29:21 - INFO - Quietly closing devices repository.

07/029/2022 14:29:21 - WARN - close() called when useCnt is already zero

07/029/2022 14:29:21 - INFO - Devices sync finished.

07/029/2022 14:29:21 - INFO - Loading devices database

07/029/2022 14:29:21 - INFO - Loaded 131 devices

07/029/2022 14:29:21 - INFO - Starting phone detection

07/029/2022 14:29:22 - INFO - Device connected with USB debugging on

07/029/2022 14:29:23 - INFO - Connected device : SonyEricson X10 Mini

07/029/2022 14:29:23 - INFO - Installed version of busybox : N/A

07/029/2022 14:29:23 - INFO - Android version : 2.1-update1 / kernel version : - exec '/system/bin/sh' failed: No such file or directory (2) - / Platform : 32bits / Build number : 2.1.1.A.0.6

07/029/2022 14:29:23 - INFO - Checking root access

07/029/2022 14:29:23 - INFO - Root access denied

07/029/2022 14:29:30 - INFO - Device disconnected

07/029/2022 14:29:31 - INFO - Device connected in flash mode

07/029/2022 14:29:52 - INFO - Device disconnected

07/029/2022 14:29:53 - INFO - Device connected with USB debugging on

07/029/2022 14:29:54 - INFO - Connected device : SonyEricson X10 Mini

07/029/2022 14:29:54 - INFO - Installed version of busybox : N/A

07/029/2022 14:29:54 - INFO - Android version : 2.1-update1 / kernel version : - exec '/system/bin/sh' failed: No such file or directory (2) - / Platform : 32bits / Build number : 2.1.1.A.0.6

07/029/2022 14:29:54 - INFO - Checking root access

07/029/2022 14:29:55 - INFO - Root access denied

07/030/2022 14:30:12 - INFO - Device disconnected

07/030/2022 14:30:13 - INFO - Device connected in flash mode

07/030/2022 14:30:32 - INFO - Device connected with USB debugging off

07/030/2022 14:30:32 - INFO - For 2011 devices line, be sure you are not in MTP mode

07/030/2022 14:30:35 - INFO - Device disconnected

07/030/2022 14:30:37 - INFO - Device connected with USB debugging on

07/030/2022 14:30:37 - INFO - Connected device : SonyEricson X10 Mini

07/030/2022 14:30:37 - INFO - Installed version of busybox : N/A

07/030/2022 14:30:37 - INFO - Android version : 2.1-update1 / kernel version : - exec '/system/bin/sh' failed: No such file or directory (2) - / Platform : 32bits / Build number : 2.1.1.A.0.6

07/030/2022 14:30:37 - INFO - Checking root access

07/030/2022 14:30:38 - INFO - Root access denied

07/030/2022 14:30:56 - INFO - Device disconnected

07/030/2022 14:30:56 - INFO - Device connected in flash mode

07/031/2022 14:31:15 - INFO - Device connected with USB debugging off

07/031/2022 14:31:15 - INFO - For 2011 devices line, be sure you are not in MTP mode

07/031/2022 14:31:18 - INFO - Selected Bundle for SonyEricson X10 Mini(E10i). FW release : 2.1.1.A.0.6. Customization : Customized IN

07/031/2022 14:31:18 - INFO - Preparing files for flashing

07/031/2022 14:31:18 - INFO - Device disconnected

07/031/2022 14:31:19 - INFO - Device connected with USB debugging on

07/031/2022 14:31:20 - INFO - Connected device : SonyEricson X10 Mini

07/031/2022 14:31:20 - INFO - Installed version of busybox : N/A

07/031/2022 14:31:20 - INFO - Android version : 2.1-update1 / kernel version : - exec '/system/bin/sh' failed: No such file or directory (2) - / Platform : 32bits / Build number : 2.1.1.A.0.6

07/031/2022 14:31:20 - INFO - Checking root access

07/031/2022 14:31:20 - INFO - Please connect your device into flashmode.

07/031/2022 14:31:21 - INFO - Root access denied

07/031/2022 14:31:38 - INFO - Device disconnected

07/031/2022 14:31:40 - INFO - Device connected in flash mode

07/031/2022 14:31:40 - INFO - Opening device for R/W

07/031/2022 14:31:40 - INFO - Reading device information

07/031/2022 14:31:40 - INFO - Phone ready for flashmode operations.

07/031/2022 14:31:40 - INFO - Opening TA partition 2

07/031/2022 14:31:40 - INFO - Current device : E10i - CB511JEH7J - 1237-1706_R7B - 1235-3408_2.1.1.A.0.6 - WORLD-1-8_2.1.1.A.0.6

07/031/2022 14:31:40 - INFO - Closing TA partition

07/031/2022 14:31:40 - INFO - Start Flashing

07/031/2022 14:31:40 - INFO - Processing loader.sin

07/031/2022 14:31:40 - INFO - Checking header

07/031/2022 14:31:40 - INFO - Flashing data

07/031/2022 14:31:41 - INFO - Loader : S1_Loader_Root_8e35 - Version : R4A045 / Boot version : R8A027 / Bootloader status : UNROOTABLE

07/031/2022 14:31:41 - INFO - Max packet size set to 64K

07/031/2022 14:31:41 - INFO - USB buffer size set to 512K

07/031/2022 14:31:41 - INFO - No flash script found. Using 0.9.18 flash engine

07/031/2022 14:31:41 - INFO - Opening TA partition 2

07/031/2022 14:31:41 - INFO - Writing TA unit 00002774. Value : 01

07/031/2022 14:31:41 - INFO - Closing TA partition

07/031/2022 14:31:41 - INFO - Opening TA partition 2

07/031/2022 14:31:41 - INFO - Ending flash session

07/031/2022 14:31:42 - ERROR - null

07/031/2022 14:31:42 - ERROR - Error flashing. Aborted

07/031/2022 14:31:42 - INFO - Flashing finished.

07/031/2022 14:31:42 - INFO - Please unplug and start your phone

07/031/2022 14:31:42 - INFO - For flashtool, Unknown Sources and Debugging must be checked in phone settings

07/031/2022 14:31:42 - INFO - Device connected in flash mode

07/031/2022 14:31:43 - INFO - Device disconnected

07/031/2022 14:31:44 - INFO - Device connected in flash mode

07/032/2022 14:32:03 - INFO - Device disconnected

07/032/2022 14:32:03 - INFO - Device connected with USB debugging off

07/032/2022 14:32:03 - INFO - For 2011 devices line, be sure you are not in MTP mode

07/032/2022 14:32:16 - INFO - Device disconnected

07/032/2022 14:32:17 - INFO - Device connected in flash mode

07/032/2022 14:32:36 - INFO - Device disconnected

07/032/2022 14:32:36 - INFO - Device connected with USB debugging off

07/032/2022 14:32:36 - INFO - For 2011 devices line, be sure you are not in MTP mode

07/032/2022 14:32:49 - INFO - Device disconnected

07/032/2022 14:32:50 - INFO - Device connected in flash mode

07/033/2022 14:33:09 - INFO - Device connected with USB debugging off

07/033/2022 14:33:09 - INFO - For 2011 devices line, be sure you are not in MTP mode

07/033/2022 14:33:33 - INFO - Device disconnected

07/033/2022 14:33:34 - INFO - Device connected in flash mode

07/033/2022 14:33:44 - INFO - Please connect your device into flashmode.

07/033/2022 14:33:45 - INFO - Opening device for R/W

07/033/2022 14:33:45 - INFO - Reading device information

07/033/2022 14:33:48 - INFO - Unable to read from phone after having opened it.

07/033/2022 14:33:48 - INFO - trying to continue anyway

07/033/2022 14:33:48 - INFO - Phone ready for flashmode operations.

07/033/2022 14:33:48 - INFO - Opening TA partition 2

07/033/2022 14:33:48 - INFO - No loader in the bundle. Searching for one

07/033/2022 14:33:54 - INFO - Processing loader.sin

07/033/2022 14:33:54 - INFO - Checking header

07/033/2022 14:33:54 - ERROR - Processing of loader.sin finished with errors.

07/033/2022 14:33:54 - ERROR - Error in processHeader : 22 : Az eszköz nem ismeri fel a parancsot.

07/033/2022 14:33:55 - INFO - Your phone bootloader cannot be officially unlocked

07/033/2022 14:33:55 - INFO - You can now unplug and restart your phone

07/044/2022 14:44:01 - INFO - Please connect your device into flashmode.

07/044/2022 14:44:02 - INFO - Opening device for R/W

07/044/2022 14:44:02 - INFO - Reading device information

07/044/2022 14:44:02 - INFO - Phone ready for flashmode operations.

07/044/2022 14:44:02 - INFO - Opening TA partition 2

07/044/2022 14:44:02 - INFO - Current device : E10i - CB511JEH7J - 1237-1706_R7B - 1235-3408_2.1.1.A.0.6 - WORLD-1-8_2.1.1.A.0.6

07/044/2022 14:44:02 - INFO - Closing TA partition

07/044/2022 14:44:02 - INFO - No loader in the bundle. Searching for one

07/044/2022 14:44:02 - INFO - Processing loader.sin

07/044/2022 14:44:02 - INFO - Checking header

07/044/2022 14:44:02 - INFO - Flashing data

07/044/2022 14:44:03 - INFO - Loader : S1_Loader_Root_8e35 - Version : R4A045 / Boot version : R8A027 / Bootloader status : UNROOTABLE

07/044/2022 14:44:03 - INFO - Max packet size set to 64K

07/044/2022 14:44:03 - INFO - Opening TA partition 2

07/044/2022 14:44:03 - INFO - Start Reading unit 00 00 08 51

07/044/2022 14:44:03 - INFO - Reading TA finished.

07/044/2022 14:44:03 - INFO - Closing TA partition

07/044/2022 14:44:03 - INFO - Ending flash session

07/044/2022 14:44:03 - INFO - Waiting for device to reboot

07/044/2022 14:44:03 - INFO - Waiting for device

07/044/2022 14:44:04 - INFO - Device connected in flash mode

07/044/2022 14:44:05 - INFO - Device disconnected

07/044/2022 14:44:06 - INFO - Device connected in flash mode

07/044/2022 14:44:13 - INFO - Please connect your device into flashmode.

07/044/2022 14:44:14 - INFO - Opening device for R/W

07/044/2022 14:44:14 - INFO - Reading device information

07/044/2022 14:44:20 - INFO - Unable to read from phone after having opened it.

07/044/2022 14:44:20 - INFO - trying to continue anyway

07/044/2022 14:44:20 - INFO - Phone ready for flashmode operations.

07/044/2022 14:44:20 - INFO - Opening TA partition 2

07/044/2022 14:44:20 - INFO - No loader in the bundle. Searching for one

07/044/2022 14:44:25 - INFO - Processing loader.sin

07/044/2022 14:44:25 - INFO - Checking header

07/044/2022 14:44:25 - ERROR - Processing of loader.sin finished with errors.

07/044/2022 14:44:25 - ERROR - Error in processHeader : 22 : Az eszköz nem ismeri fel a parancsot.

07/044/2022 14:44:25 - INFO - Your phone bootloader cannot be officially unlocked

07/044/2022 14:44:25 - INFO - You can now unplug and restart your phone

07/045/2022 14:45:00 - INFO - Loading devices database

07/045/2022 14:45:00 - INFO - Loaded 131 devices

07/045/2022 14:45:08 - INFO - Beginning export of SonyEricson X10 Mini

07/045/2022 14:45:08 - INFO - SonyEricson X10 Mini exported successfully

07/045/2022 14:45:19 - INFO - Loading devices database

07/045/2022 14:45:19 - INFO - Loaded 131 devices

07/045/2022 14:45:23 - INFO - Beginning import of SonyEricson X10 Mini

07/045/2022 14:45:26 - INFO - SonyEricson X10 Mini imported successfully

07/047/2022 14:47:22 - INFO - Canceled

07/049/2022 14:49:04 - INFO - Operation canceled

07/049/2022 14:49:20 - INFO - Please connect your device into flashmode.

07/049/2022 14:49:21 - INFO - Opening device for R/W

07/049/2022 14:49:21 - INFO - Reading device information

07/049/2022 14:49:21 - INFO - Unable to read from phone after having opened it.

07/049/2022 14:49:21 - INFO - trying to continue anyway

07/049/2022 14:49:21 - INFO - Phone ready for flashmode operations.

07/049/2022 14:49:21 - INFO - Opening TA partition 2

07/049/2022 14:49:21 - INFO - No loader in the bundle. Searching for one

07/049/2022 14:49:27 - INFO - Processing loader.sin

07/049/2022 14:49:27 - INFO - Checking header

07/049/2022 14:49:27 - ERROR - Processing of loader.sin finished with errors.