: Repeat the "Check Current Firmware Version" steps to ensure the display now reads 1.67 . Troubleshooting
The current version will appear on the front panel display for about five seconds. If it is or higher, your unit is already up to date. Preparation Requirements To perform the update, you will need: USB flash drive formatted in The drive must be , unencrypted, and support the USB mass storage class. Yamaha Cd S303 Firmware Update
Check file naming: Do not rename the .bin file downloaded from Yamaha. : Repeat the "Check Current Firmware Version" steps