Warning/Caution
Back up any important data before the firmware upgrade.
Please remove MicroSD card before the firmware upgrade.
Please make sure the AC adapter is connected while upgrading firmware.
Do not turn the player off before the firmware update has been completed.
If you are using Mac or Linux, please format COWON devices after upgrading firmware
to prevent system error. To make sure completing this process, check whether there is a folder
named as TCSYSDIR. It should be showed on the folder lists if the formatting process is
successful.