Hello Sataporn, Thank you for contacting Apple Channel Support. Sataporn, thank you for the information. As per the article OP574, the iPod nano (1st generation) can be replaced under quality program. May I know the exact issue with the unit, please? Case#: 3722282 Regards, Pavan. If you would like to send us a reply, please ensure the "Status" field is selected as "Open" and "Escalate To" field is selected as "Apple”. If you feel your issue is now resolved, please ensure the “Status” field is selected as “Closed”.