The phone has already been blocked by Sony's bootloader.. I later removed the handset from the kingroot app to the sony xperia t phone. Also, in the fast-boot mode, twrp-3.2.3-0-mint.img, I did not turn on the phone, and now it only works in the fast-boot mode. The flash mode also provides the official ROM
sony-flashtool-0.9.18.6
Minimal ADB and Fastboot
android 4.1
info:07/027/2019 05:27:25 - INFO - Opening device for R/W
07/027/2019 05:27:25 - INFO - Reading device information
07/027/2019 05:27:25 - INFO - Unable to read from phone after having opened it.
07/027/2019 05:27:25 - INFO - trying to continue anyway
07/027/2019 05:27:25 - ERROR - root : this bundle is not valid
07/027/2019 05:27:40 - INFO - Processing loader.sin
07/027/2019 05:27:40 - INFO - Checking header
07/027/2019 05:27:40 - ERROR - Processing of loader.sin finished with errors.
07/027/2019 05:27:40 - ERROR - Error in processHeader : 1 : Incorrect function.
07/027/2019 05:27:40 - INFO - Your phone bootloader cannot be officially unlocked
07/027/2019 05:27:40 - INFO - You can now unplug and restart your phone
sony-flashtool-0.9.18.6
Minimal ADB and Fastboot
android 4.1
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