Obtain the correct stock firmware file matching the (Au Japan variant) model exactly.
: You must install the Fastboot and Flashmode drivers, typically found in the "drivers" folder of the Flash Tool installation directory.
This process requires unlocking your bootloader, which wipes your TA partition (permanently losing DRM keys for camera enhancements, X-Reality, and Widevine L1). Proceed only if you accept these trade-offs. sony sov33 lock remove ftf top
Download the corresponding to your region/carrier (usually AU KDDI).
You need the specific SOV33 firmware or a specialized "lock remove" FTF file. Obtain the correct stock firmware file matching the
Use the FlashTool software to build the FTF file from the downloaded firmware files.
Wait for Flashtool to display a prompt asking you to connect your phone. Power off your Sony SOV33 completely. Press and hold the button. Do not release it. Proceed only if you accept these trade-offs
With those details, I can diagnose driver mismatches or system loop hangs. Share public link
: Use the Sony Xperia Companion Application via its Software Repair function. This is an authorized desktop method to reset lock-state profiles if you still retain ownership details or your online Google password.
Use XperiFirm to download the latest firmware for the SOV33 . Ensure you choose a firmware that matches your region (Japan) and carrier (Au).