http://www.zoom.co.jp/english/download/index.html">

Pro Audio Support

Q:
How do I update the firmware on my Zoom Q3 recorder?
 
A:
You will need to download the latest version of the firmware at:

http://www.zoom.co.jp/english/download/index.html

Once its downloaded, copy the file onto the SD card on your Q3.
Power off the recorder. Press and hold the PLAY button while powering on the Q3. You will now see a screen that says "Version UP". Press OK, then press the RECORD button to update the Q3.