Generally no. The Sony G3311’s bootloader is version-locked. You must flash an official Sony FTF with the same or newer patch level. Do not attempt cross-flashing (e.g., G3312 firmware on G3311).
Solution: Reinstall drivers. Go to Device Manager → Find "SOMC Flash Device" with a yellow exclamation → Update driver → Browse to C:\Flashtool\drivers\Flashmode. sony g3311 lock remove ftf
Using this file is not for the faint of heart. The process involves holding specific volume buttons, inserting a USB cable with precision timing, and watching a progress bar that feels like a timer on a bomb. Generally no
Follow these steps exactly. Do not connect your phone until instructed. sony g3311 lock remove ftf
There is no known method to remove a screen lock on G3311 without wiping /data because: