Jwin JX-MP332 - Manual (Page 30)

Color LCD MP3 w/ FM/Touch Pad V10M10_IM_EN_01182008
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OPERATING INSTRUCTIONS
（03）Firmware Update: After the installation then can
upgrade: ,choose the upgrade tool.
（04）Open the computer: start=>processing=>Consumer
Update=>Firmware Update）,then select the *.rfw file.
（05）Open the MP4, enter the settings=>system
settings=>firmware upgrade=>confirm and via USB to connect
the PC, then click firmware upgrade until upgrade successful
Attention: the firmware upgrade is used to improve the player
function and without using it there is no effect on the normal play.
The fault operating may cause the player can’t operate normally.
This firmware upgrade software is not fit for the other series
player.