You can always download the latest software here: http://lyt.ro/ILLUMCameraUpdate
- LYTRO ILLUM Software Release Notes
 - Update Instructions
 - Make sure you have at least one picture on your SD card
 - Download this file and copy it to your SD Card
 - Insert SD card into ILLUM (if necessary)
 - Settings > General > Update firmware
 - If 'Update Firmware' is grayed out, please try reformatting your SD card and try again