Applicable Models

This information is for the following models:

  • SVT1121A4E
  • SVT1121B2EW
  • SVT1121B4E
  • SVT1121C4E
  • SVT1121C5E
  • SVT1121D4E
  • SVT1121E4E
  • SVT1121F4E
  • SVT1121G4E
  • SVT1121H4E
  • SVT1122A4RW
  • SVT1122B2EW
  • SVT1122B4E
  • SVT1122B4RW
  • SVT1122C4E
  • SVT1122C4RW
  • SVT1122C5E
  • SVT1122D2EW
  • SVT1122D4E
  • SVT1122D4RW
  • SVT1122E2RW
  • SVT1122E4E
  • SVT1122F4E
  • SVT1122F4RB
  • SVT1122G4E
  • SVT1122G4RB
  • SVT1122H4E
  • SVT1122H4RB
  • SVT1122I4E
  • SVT1122J4RB
  • SVT1122M2EW
  • SVT1122M2RW
  • SVT1122R2EW
  • SVT1122S9EB
  • SVT1122V9EB
  • SVT1122X9RW
  • SVT1122Y9EB

About this download

Benefits and improvements from the latest update

  • Supports switching function for enabling/disabling touchpad gesture functions
  • Supports inverting scroll direction in two-finger slide gesture
  • Solves the issue of reverse action in rescaling content size depending on application (e.g. Map)
  • Solves the issue of unintended screen scroll when using a two-finger pinch gesture
  • Supports changing wait time setting for touchpad click
  • Solves the issue of key input loss and unintended key hold-down
Note: You need to apply the update "VAIO Control Center Ver.6.3.17/6.4.9 update" (or a later version) as well.

Previous Benefits and Improvements

  • Fixes the issue of unintended key input through touchpad top-edge swipe depending on keyboard layout setting
  • Fixes the issue of unintended key input through touchpad right-edge swipe depending on keyboard layout setting
  • Fixes the issue of unintended Cortana launch in some versions of Windows 10
  • Fixes the issue of first keyboard input loss after OS boot/reboot/hibernation resume
  • Fixes the issue of USB selective suspension
  • Improves the feeling of key repetition when pressing and holding some keys

File Info

File Name

  • EP0000605002.exe

File Version

  • Version 1.89

File Size

  • 6,824,704 byte

Release Date

  • 25-12-2017

System Requirements

Operating systems

The latest version of this update is compatible with most commonly used versions of Microsoft Windows:

  • Windows 10 (32/64 bit)
  • Windows 8.1 (32/64 bit)
IMPORTANT: Models upgraded to Windows 8.1/Windows 10 are also targeted by this update.


Before you upgrade

  • Sometimes the message "Windows needs your permission to continue" may appear in the User Account Control dialogue box. In this case, click [Continue] to proceed, and follow the instructions.


Step 1: Install the update

Make sure to log in as an Administrator on your computer

  • You MUST complete both steps "1. Update" and "2. Pairing" below to update firmware.
  • You MUST NOT sleep, restart or shut down before both steps "1. Update" and "2. Pairing" are complete.
  1. Download EP0000******.exe and save it in a folder on your computer.
  2. Ensure the AC power adaptor is connected to your computer before you proceed.
  3. Go to the folder where the file has been downloaded.
  4. Double-tap (or double-click) EP0000******.exe
  5. Tap "1. Update" button. ("Updating firmware..." message will be shown. Wait about 1 minute).
  6. After "Update Success!!!" message is shown, tap "2. Pairing" button.
  7. Complete the pairing manually following the instruction "Pairing the Wireless Keyboard with your VAIO computer.”
  8. Tap "Close" button.
  9. Restart your computer.

Step 2: Check the update was successful

After the update, please confirm the new version has been installed successfully.
Check the device properties in device manager.

Select [USB Composite Device] (Location: Port_#0001.Hub_#0003) → Properties → [Details] tab → [Bus reported device description]

If the version shown is "1.89", the upgrade was successful.