Supported products:
SM3-U3AS-AKTU (only those with circuit board MP-U33J-AKT)


FileDescriptionFile sizeLast modified
Download this file (sk3501_u3_history.txt)Firmware HistoryHistory of previous changes0.3 kBSep 21, 2016
Download this file (JMicron JMS567 Firmware Update Utility.dmg)Mac UpdaterFirmware version 138_01_0_01 for Mac OS X1843 kBSep 21, 2016
Download this file ( UpdaterFirmware version 138_01_0_01 for Windows 7 and above573 kBSep 21, 2016


  • This firmware is only for AKiTiO products and specifically the model(s) as mentioned above. DO NOT use this firmware for any other devices!


  • Never turn off or disconnect your unit during the firmware update procedure. This may damage your device! If the upgrade fails (e.g. power failure during firmware update), you may not be able to operate your device anymore.


Mac OS X


  1. Download the Mac updater, store it on your computer and decompress the file.
    JM UP 01
  2. Open the firmware utility.
    JM UP 02
  3. Follow the instructions of the installation wizard to install the firmware utilityW.
    JM UP 03
    JM UP 04
  4. When prompted, enter your password to allow the installation.
    JM UP 05
  5. To complete the installation, click Restart.
    JM UP 06
  6. Make sure your device is connected to the computer and turned on. When the drive has been mounted on your desktop, go to Launchpad and open the firmware update utility.
    JM UP 07
  7. Click Continue to update the firmware.
    MP UP 08 1
  8. When the update has been completed successfully, click Exit to close the program and then restart your device.
    JM UP 09



If your device is already up to date, it will show "The device already updated".
JM UP already 

If your device has not been recognized or is incompatible with this update, it will show "No available device".
JM UP No device