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OS Update via Micro SD Card
 
CAUTION
Use fully charged battery or AC power while OS update process.
Every information or configurations will be removed after OS update.
Required files for OS update can be downloaded from support webpage.
1.     Unzip downloaded file. It should contain 4 files: EBOOT.nb0, logo.bmp, MOBM_bc.nb0 and NK.bin.
2.     Copy the file to root folder of Micro SD card.
3.     Turn off the device by pressing the reset button for approximately 5 seconds.
4.     Insert the Micro SD card into the slot. You can see the slot when you detach the battery.
 
5.     Press RESET button while holding the power button. When the display turns on, release the power button and push it again to launch boot menu.
 
 
6.     From the boot menu, select [3: SD Update]. It will start updating automatically. When 'Reset...' message appears on the screen, reset the device.
OS update will remove the previous Flash Disk files. To copy the flash disk files back to the PDA, you can either use SD card or ActiveSync (via USB).