Upgrade File YP-S3 FIRMWARE (V1.01. - 2008.05.27 HOW TO UPGRADE 1. Connect the YP-S3 device with the USB port of the PC through the USB adaptor. 2. Copy the rom file( S3(J).ROM ) in the root of the S3 device. 3. Safely disconnect the YP-S3 with the PC. 4. Turn on the S3 device, and then during the firmware upgrade is progressed, If the firmware is not upgraded, after the S3 device is charged, try it again.