While continuing to hold Volume Down, insert the USB cable connected to your PC.
To remove the screen lock (PIN, pattern, or password) on a Sony Xperia XZ1 (G8341), you can flash a specific using the Sony Flashtool . Flashing an FTF (Flash Tool Format) file essentially reinstalls the device's firmware, which wipes all user data and resets the lock. Prerequisites
Click . The tool will compress the raw parts into a single .ftf file in your directory folder (typically located at C:\Users\YourUsername\.flashTool\firmwares ). Step 4: Configuring Flashtool for Lock Screen Removal