Samsung Yepp YP-U3, Service Manual

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Samsung Electronics 4-9
3. Firmware Upgrade
1. Uncompress the file into a folder.
2. Confirm the uncompressed files in the folder.
(Check if the following 3 files are in the folder. The YP-U3J.SET file can be present instead of the YP-U3.SET file.)
3. Connect the player to be upgraded via the USB interface to the PC.
4. Back up the data saved in the player.
5. Find the System folder in the player.
6. Copy the YP-U3.ROM file into the System folder.