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The battery must be fully charged before upgrading firmware. |
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Do not turn the power off during upgrading. |
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Backup any important files to your computer before upgrade. |
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 | After unzip the firmware file, select all files in the firmware folder and right click to copy | | |  | | | |
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 | Connect COWON A3 to a PC via USB cable. When connection is made, paste the firmware files to the root folder in COWON A3. | | |  | | |  | | |  | | | |
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 | Click "Safely remove hardware" icon in the tray at the lower right corner of your computer screen to disconnect COWON A3 from a PC. | | |  | | | |
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 | Make sure that COWON A3 is turned off. Press the power button. COWON A3 will automatically start firmware upgrade. COWON A3 restarts after finishing upgrading. | | |  | | | You can check the upgraded version of firmware in System Information under Settings menu. | | | |
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