Flashing an FTF file essentially performs a factory reset, which erases all user data but removes screen locks (PIN, pattern, or password).
: For standard software issues or forgetting your PIN/pattern, Sony recommends using Xperia Companion for a secure "Software Repair". Download SOV33 311 R16C Remove Lock ftf
: In Flashtool, select the downloaded FTF. Ensure "Wipe" options (USERDATA and CACHE) are checked to effectively remove the lock. Flashing an FTF file essentially performs a factory
: Install Flashtool and ensure you have at least 50% battery. Download Firmware : Use Xperifirm within Flashtool to find model and download the 31.1.C.1.160 (R16C) build. Download SOV33 311 R16C Remove Lock ftf
: You can download the latest official firmware directly through Xperifirm , which is often bundled with Flashtool . How to Remove the Lock via Flashing