Flashtool-0.9.13.0 — [updated]

Launch the tool, click the "Lightning" icon, select "Flashmode," and choose your firmware.

The general workflow for flashing a device remains consistent with the developer’s official instructions : flashtool-0.9.13.0

It confirmed working compatibility for models such as the Xperia T and Xperia V. Launch the tool, click the "Lightning" icon, select