Android: Sony Xperia – Flashing FTF for Xperia using FlashTool

I wrote an article to create FTF and now this article will show you how to flash FTF using FlashTool.

Please read through my WARNING message before you start flashing FTF.


Before starting to flash FTF, I strongly advise you to make your Xperia DRM/BA2 key backup first for future recovery. If you don’t have the backup, you will never be able to recover DRM/BA2 key back and all Sony features used DRM/BA2 key can no longer be used.

Before you proceed to flash, make sure you have create a backup of DRM/BA2 key. You can read through the following articles:

  1. Android: Backup Sony Xperia DRM/BA2 Key with BackupTA
  2. Android: How to check Sony Xperia DRM/BA2 Key Status



Step 1: Download and Install FlashTool

1.1. Download FlashTool (Download at Android Page)

1.2. Install FlashTool






Step 2: Install and Configure FlashTool Drivers

2.1. Navigate to C:\FlashTool\drivers

2.2. Install Flashtool-drivers.exe



Note: Install Driver for your handphone model too.



FlashToolDriver_0005 FlashToolDriver_0006 FlashToolDriver_0007 FlashToolDriver_0008

Step 3: Create FTF

3.1. For Creation of FTF, please read through my article

Android – Create Stock FTF with Official Sony Xperia Firmware Updates

Step 4: Flash FTF

4.1. Ensure USB cable is unplug from computer

4.2. Run FlashTool according to your architecture

x86 32bit -> run FlashTool.exe

x64 64bit -> run FlashTool64.exe


4.3.Click on icon Black Thunder




Note: If you encounter the following error, Navigate to F:\FlashTool\firmwares and delete prepared folder


4.4. When FlashTool finishes the bundle preparation, it will prompt to ask you to connect in flash mode


4.5. Now, turn off your mobile, plug in USB cable to your mobile

4.6. Plug USB to computer and at the same time, press Sony mobile Volume Down

4.7. FlashTool will display Device connected in flash mode and will automatically flash.




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