Use fully charged battery or AC power while OS update process.
MicroSD memory size should be less than 2GB.
OS Update via MicroSD Card
When unzip the download OS file, there are two files which are EBOOT.nb0, bootloader file, and FLASH.bin, OS image file. Check the boot and OS version and copy file which needs to be updated between them or both to root folder of microSD card. Then insert the SD card to the device.
Turn off the device by pressing the power button for approximately 10 seconds. Then, while pressing the right arrow button, press power button to enter the boot menu.
<PBOOT Menu Example>
Select SD update to update OS. When OS update is complete, reset the device.
OS Update via USB Downloader(32bit only)
Download the USB_Downloader and OS update files to your PC.
Turn off the device by pressing the power button for approximately 10 seconds. Then, while pressing the right arrow button, press power button to enter boot menu.
<PBOOT Menu Example>
From the boot menu, press ‘1’ to select USB Update. Connect USB Cable... message will display on the screen.
Place M3 ORANGE on the cradle and connect to a PC via USB cable. ‘Found New Hardware’ message will be displayed on your PC.
If the device is connected to the PC for the first time, Microsoft windows will start New Hardware Wizard automatically. From the options, choose “No, not this time”, then click “Next>” to proceed.
Choose “Install from a list or specific location (Advanced)” option then proceed.
Check “Include this location in the search:” option then, specify the location of the folder which contains the driver files: M3BlackUSB.sys, M3Black.inf.
When the warning window appears, click “Continue Anyway”.
Then, click 'Finish' to complete driver installation.
When it is ready, run USBLoad.exe. Click on Open button as indicated on the image to load necessary files.
Please load files in the following order:
a. EBOOT.nb0 b. FLASH.bin
When all files are loaded, click Download to start OS update.