Before proceeding, you must understand the requirements and risks involved in flashing Android firmware.
Flashing a new firmware file wipes all user data. Your photos, contacts, and apps will be permanently deleted.
Install the Sony Flash Tool and ensure you have installed the Fastboot and Flashmode drivers found in the drivers folder of the installation directory. sony g8341 lock remove ftf
A command window will launch. Follow the on-screen prompt questions (type n for optional dumps, and y when asked to format user data partitions to guarantee the screen lock is completely cleared).
The bootloader lock protects the device's boot partition from unauthorized modifications. Unlocking the bootloader is a separate process from removing FRP or screen locks, and it requires an official unlock code from Sony — a process that erases all user data. Before proceeding, you must understand the requirements and
Download and install the latest version of Flashtool (0.9.24.2 or newer) which supports the XZ1 series.
Turn off the Xperia XZ1 and connect it to your PC while holding down the button to run the automated recovery wizard. This structural recovery reset will clear any remaining account verification hooks. Install the Sony Flash Tool and ensure you
If you want to skip the command-line firmware method, official consumer alternatives are available: How to Reset & Unlock Sony Xperia M2 Dual
Take the FTF file created in Step 2 and extract it using a tool like 7-Zip.
: Click "Flash." The process can take between 5 to 15 minutes. Once finished, the tool will report that flashing is complete.
If you remember your original credentials, simply sign in to complete setup. If you are entirely locked out of that profile as well, you must use an additional FRP bypass strategy: Hard Reset Free Sony XZ1 (G8341) Lock Remove FTF File