Download the SP Flash Tool (Smart Phone Flash Tool) v5.x or newer.
In SP Flash Tool, click on the button next to the Scatter-loading File field.
(or standard F3311 stock firmware scatter). Steps to follow:
Install the latest MediaTek (MTK) All-in-One USB Drivers and Sony Flashmode Drivers . Step 1: Downloading the Updated Lock Removal Files sony xperia e5 f3311 lock remove file updated
Complete Guide to Removing the Screen Lock on Sony Xperia E5 (F3311)
If you are locked out by after a reset, you must enter the original Google account credentials used on the device. If you cannot remember them:
If your F3311 gets stuck on the Sony wave logo after flashing a lock remove file, your firmware may have become corrupted. To fix this, run to completely overwrite the corrupted partitions with clean, official factory firmware. Download the SP Flash Tool (Smart Phone Flash Tool) v5
This restricts the phone to a specific mobile carrier's SIM card. Unlocking this typically requires an official unlock code from your provider.
Hold the Power and Volume Down buttons simultaneously. When the Sony logo appears, release the Power button but keep holding Volume Down.
If you prefer not to use third-party files, Sony and Google provide official ways to regain access, though they will erase all data Xperia Companion Steps to follow: Install the latest MediaTek (MTK)
Do not connect your device yet. Check the box confirming you know your Google account details, then click next.
First, you'll need the correct "updated file," which is the for the Xperia E5 F3311. This is the official operating system from Sony. You can find these FTF files on various tech forums and repair websites. Look for a version number like 37.0.A.2.108 or a more updated version, such as 37.0.A.2.248 (whose existence is debated, but this is the number mentioned in user discussions). Be extremely cautious when downloading files from third-party websites.
This is the most technical method and involves using a flashing tool to write new software (the "updated file") to your phone. This is the primary method referred to by the keyword.
Once the software detects your device, it will begin downloading the latest firmware and reinstalling it on your phone.