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Old 02-24-2011, 09:59 AM
goodclimate goodclimate is offline
Junior Member
Join Date: Aug 2009
Posts: 7
Default Can J3 firmware be locked?

Does anyone know if it is possible to lock a Cowon J3 to a certain firmware version? After a "repair" by Cowon I am no longer able to return it to my preferred version, 3.23.

After problems with the file system and very poor battery life I sent my J3 DMB (bought from Korea) to Cowon Germany who agreed to repair it. It was returned with FW 2.23 installed and when I try to reinstall the 3.23 DMB FW (pasting the three bin files directly into the root folder) nothing happens. I also tried with the earlier 3.21 FW. The J3 turns back on as normal after this instead of updating and displays 2.23, seemingly ignoring the new files.

Can it have been locked somehow, turning it into a non-DMB version?? I can;t find any discussions on this and no-one on iaudiophile can help. Cowon Germany are not answering my emails.

Whatever Cowon in Germany did, the battery life is still dreadful. About 10 hours.
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