Here you can download the most recent as well as older firmware images.
It is always recommended to flash the latest one (which is the topmost one)
Note: Reflashing the firmware will delete all personal installed data on your Pandora and reverts to factory settings
To install it, follow these easy steps:
1. Download the ZIP archive and extract it to the root directory of your SD Card.
2. Insert the SD card in the LEFT card slot, keep the right shoulder button pressed while switching on the Pandora and choose to boot from SD Card.
3. Follow the instructions on screen.
4. When booting for the first time, be sure to wait until the First Boot Wizard appears.
For more detailed instructions, please check the Firmware Section on PandoraWiki.org.