Determine mainboard version on NAUTIZ X7

To recognize what mainboard is installed in the unit, take a look at P/N (part number).

New mainboard (NAND) 

• 52628209000G without 3G (NonePhone (Classic))
• 52628209000F with 3G (Phone(Professional))

Download the OS from this article.

Old mainboard 

• 52628209000A/B/D without 3G (NonePhone (Classic))
• 52628209000C/E/9 with 3G (Phone(Professional))

Download the OS from this article.