Check the XDA Developers forum dedicated to the Sony Xperia XZ1 (G8341) for community support.
Open the Flash Tool and click the "Thunderbolt" icon. Select "Flashmode" and choose the G8341 firmware from the list. Under the pane, ensure that USERDATA , CACHE , and APPSLOG are checked. This is the most critical step—if you do not wipe user data, the lock will remain. 3. Enter Flash Mode
Press and hold and Volume Down until the Sony logo appears, then release.
You need the precise stock firmware package for the Sony Xperia XZ1 (G8341). You can download this safely using , a built-in tool within Flashtool or available as a standalone executable. Download the specific customization region matching your phone (e.g., Customized generic, customized US, or your specific carrier variant). Step-by-Step Guide to Removing the Lock Screen Step 1: Download and Prepare the Firmware
Removing a screen lock via flashing does not bypass Google FRP. You must know the Google account credentials previously synced to the device to log in after the flash.
If the phone asks for the previous Google Account, you will need to enter those credentials (FRP bypass).
This installs the necessary Sony USB Drivers. Download from Sony's official site.
Install the "Flashmode" and "Fastboot" drivers usually found in the Flashtool/drivers You need the specific G8341 Lock Remove FTF or a full firmware file for your region. 📥 Step-by-Step Guide Prepare the File: Place your file into the C:/Users/YourName/.flashTool/firmwares directory. Open Flashtool: Run the application and click the Lightning Bolt Select Flashmode: Choose "Flashmode" and select the firmware from the list. Configure Wipes: To remove the lock, ensure is checked under the "Wipe" pane.
Before you can remove the lock on your G8341, you need to set up your computer and download the necessary files.
You will need the Flashtool software and the correct FTF firmware file for the G8341 model, which can be downloaded using the XperiFirm tool integrated into Flashtool. Process:
Ensure your Xperia XZ1 has at least 50% battery to prevent the phone from powering off mid-flash.
Extract the files directly into that exact same folder where the firmware partitions reside. Step 3: Clear the Persistent Lock Configuration
The specific firmware file for your device model.