User guide
89
M3 SKY / MM3
OS Update via (Mini) SD Card
CAUTION
Use fully charged battery or AC power while OS update process.
Every information or configurations will be removed after OS update.
Check first whether the WLAN module type is
Summit or Samsung, or wrong OS update may cause severe
damage to device leading to RMA process.
Required files for OS update can be downloaded from
support webpage.
1. Formatting MiniSD - please format MiniSD card on PC in FAT (recommended) or FAT32 format.
2. Please copy OS image file (must in name FLASH.DIO), Boot image file (BOOT.NB0) and
SPLASH.BMP to SD card and then insert it into the device.
Note that the SD Card for each device has different dimensions. SKY uses MiniSD and SD for MM3.
3. The device should be turned off first. The device power can be turned off by pressing the
‘Power button’ for 10 seconds.
4. Press the right arrow button and keep pressing. Press the power button briefly to enter Boot menu.
5. Select [1. Update] Press return button.
6. Select [1. SD Update] -> [2. BOOT Update]
7. Turn off the device by pressing the power button for 10 seconds. Then re-enter the boot menu.










