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FAQ/QnA
The most frequently asked questions from customers. If you have further questions, please use 1:1 inquiry at the bottom of the list.
FAQ/QnA 2007-01-19 10:51:15 Lost Serial Number
  Serial number is not able to be reissued after you've lost it. If user purchased iAUDIO as a second hand device, then user MUST takeover all the related information from a previous owner including serial numbers for the product and JetShell. It is a user's responsibility. If user lost a serial number of JetShell by neglect or carelessness, then you are not able to re-install JetShell. However, you can use below serial number which is registered by CS team of COWON. Hence you are not able to use this number for registration on our website. B4A7-4658-8B53-57C4 Thank you.
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How long PLENUE 1 is able to play continuously? PLENUE 1 2017/08/17
Can I set the time to turn off the screen automatically? PLENUE 1 2017/08/17
Computer cannot recognize the player when connected. PLENUE 1 2017/08/17
Product makes a heat. PLENUE 1 2017/08/17
Ive set the incorrect language, and now I cant operate the device. PLENUE 1 2017/08/17
Lost Serial Number COWON D2 2007/01/19
How to Use the Memory Card Larger than 64GB PLENUE D 2017/03/23
There is sound quality problem when setting the JetEffect. PLENUE D 2017/03/23