You likely forgot to check the "Wipe Userdata" options during configuration. Re-flash the device and ensure all Wipe options are checked. Final Verdict
: On Windows 8, 8.1, and 10, users often need to disable driver signature enforcement to allow the unsigned Flashtool drivers to install correctly.
Unlike modern software, Flashtool 0.9.22.3 does not require a traditional installer. It runs portably. Flashtool-0.9.22.3-windows.rar
This version predates modern USB protocols. It works well with:
: Go to the installation folder (e.g., C:\Flashtool\drivers ) and run the driver installer. You must select Flashmode Drivers and Fastboot Drivers . You likely forgot to check the "Wipe Userdata"
The progress bar reached 10%. The fan on Elias’s PC whirred louder. Then, it happened.
Follow the on-screen prompts. By default, it installs to C:\Flashtool . It is highly recommended to keep this default directory to prevent path errors. Step 3: Installing the Critical Drivers (Crucial Step) Unlike modern software, Flashtool 0
Use WinRAR, 7-Zip, or Bandizip to extract the archive to a folder. extracting directly to C:\Program Files (Windows restrictions may block drivers). Instead, use C:\Flashtool or D:\Android\Flashtool .
Connect your device using an original Sony USB cable or a certified high-quality data syncing cable. Avoid loose USB ports on your PC.