icon within Flashtool to find and download the official firmware for the Sony Xperia L1 Dual G3312 Prepare for Flashing : Click the icon in Flashtool, select , and choose your downloaded firmware. : Ensure the option is selected to remove the screen lock. Enter Flash Mode
If you want, I can:
Use a specialized FRP removal tool compatible with MediaTek (MTK) chipsets. Sony G3312 Lock Remove Ftf File