Download the correct firmware ZIP file for your revision from the SanDisk Support Forums .
Many users replace the official software with Rockbox to add support for more formats (like FLAC), customized themes, and games. Use the Rockbox Utility for automatic setup. Sansa Fuze Software
Once installed, holding the Left/Rewind button while powering on will usually boot you back into the original SanDisk firmware if needed. Download the correct firmware ZIP file for your
Disconnect the device; it will automatically start the update and then shut down. 2. Media Transfer Software Sansa Fuze Software