Applicable Models

This information is for the following models:
  • NEX-5T
  • NEX-5TY
  • NEX-5TL

About this download

Thank you for your continued interest in Sony products.

Sony is offering a firmware upgrade for Interchangeable Lens Digital Camera NEX-5T.

Improvements after firmware upgrade

  • Provides support for the following ”Fast Hybrid AF” compliant lenses for SELP18105G, SEL35F28Z *, SEL55F18Z *, SEL2470Z *, SEL2870 *, SEL70200G * and compatible E mount lenses in the future *
    * Fast Hybrid AF is effective only in the central area of the frame

How to check the firmware version

  1. Select Menu → Setup → Version on the camera.
  2. The firmware version is displayed. If your firmware version is Ver 1.03 or later, the upgrade is not required.

System Requirements

Supported OS

  • Mac OS X v.10.5 – 10.11

If you are using Mac OS X Ver.10.10, you need to run Driver Loader, a preparatory application, before updating the system software.

If you are using Mac OS X Ver.10.9 or earlier, you do not need to run Driver Loader.

Other system requirements

  • CPU: Intel processor
    * Core Solo and Core Duo processors are no longer supported.
  • Hard disk space: 200MB or more
  • RAM: 512MB or more
    * Please close all other application software before upgrading the firmware.

Other Items

  • Power source for the camera
    Fully charged rechargeable battery pack NP-FW50 or AC adaptor AC-PW20 (sold separately)
    Note: The upgrade can be performed only when the remaining battery level is (three marks) or more. We recommend that you use a fully charged battery or the AC adaptor AC-PW20 (sold separately).
  • USB cable supplied with the camera
    Note: Update functionality is not guaranteed with any other USB cable.

File Info

File Name

  • Update_NEX5TV101.dmg

File Version

  • 1.01

File Size

  • 198.0MB

Release Date

  • 2014-03-19

System Requirements

  • OS X
  • Mac OS




  • When performing the firmware upgrade, please use a fully charged rechargeable battery pack NP-FW50 or the AC adaptor AC-PW20 (sold separately).
  • Do not remove the battery or AC adaptor during the upgrade; otherwise, the camera may become inoperable due to the sudden power shutdown.
  • Remove the memory card from the camera beforehand.

Start Firmware Updater

  1. Do not connect the camera yet at this point. Double-click Update_NEX5TV101.dmg to start up Firmware Updater.

  2. Double-click the Update_NEX5TV101 icon which appears on the Desktop.

  3. Double-click the FirmwareUpdater icon.

  4. To load a kernel extension, the message prompts you to allow the application to make changes.
    Type the password for the administrative account.

  5. Firmware Updater starts up.


  6. Check the USB connection mode
    Turn on the camera, select Menu → Setup → USB Connection on the camera, and confirm Mass Storage is selected.

  7. Remove the memory card from the camera, and then connect the camera to the computer with the supplied USB cable.
    Note: When the camera is connected to the computer, the LCD screen of the camera turns off. Please proceed to the next step.

    If the LCD screen of the camera dose not turn off, please try the following methods.
    - Disconnect the USB cable from the camera, then reconnect the USB cable.
    - If there are another USB terminal with the computer, reconnect the USB cable to another USB terminal.

  8. Click Next on Firmware Updater.
    The screen below appears on Firmware Updater

    Camera’s LCD screen

    Note: From this step onwards, never turn off the camera until the firmware upgrade is completed.

  9. After confirming the screens above, click Next. The current version and the version after the upgrade appear on the lower left part of the screen.

    Upgrade is required, click Next.

    Note: If Current version is Ver. 1.01, the upgrade is not required. According to the message, stop the USB connection and click Finish. Turn off the camera, remove the battery pack or the AC adaptor, reinsert the battery pack or connect AC adaptor, and then turn on the camera.

    Upgrade is not required

  10. Screen below appears.

  11. Press the center of the control wheel to reset the camera.

    Camera’s LCD screen

    Figure 10: Camera control wheel

    Note: The screen turns off when the center of the control wheel is pressed. Please proceed to the next step.

  12. After resetting, reconnection of the camera is verified, and the screen below appears.

  13. Click Run to start the upgrade. The progress bar appears while upgrading (approximately 5 minutes).

    Note: Never turn off the camera nor disconnect the USB cable while upgrading.

  14. When the update is completed, the camera will automatically restart. It may take a few minutes to restart the camera. Make sure the camera is turned on and wait until the LCD screen appears again. Click Finish when the LCD screen appears.

  15. Disconnect the USB cable.

Check the firmware version

  1. Select Menu → Setup → Version on the camera.

  2. The firmware version is displayed. The firmware upgrade was completed successfully if Ver. 1.01 is displayed.