An "updated lock remove file" typically refers to the stock firmware (ROM) for the Xperia E5 (F3311) in .ftf format. You can download the latest version of the official stock firmware from reliable sources:
Before you proceed, please keep the following in mind: sony xperia e5 f3311 lock remove file updated
In SP Flash Tool, click on the button next to the Scatter-loading File field. An "updated lock remove file" typically refers to
Download the Sony USB drivers and MTK VCOM drivers to your PC. Download the SP Flash Tool (Smart Phone Flash Tool) v5
Download the SP Flash Tool (Smart Phone Flash Tool) v5.x or newer.
This guide details exactly how to unlock your device safely using the MediaTek (MTK) architecture of the Xperia E5. Why Use the Sony Xperia E5 F3311 Lock Remove File?
Once your smartphone boots past the initial setup screens, check these settings to ensure stability: