Determine mainboard version on NAUTIZ X5

Follow the steps below to determine the mainboard version on your Nautiz X5.

1. Remove the battery and look at the serial number of the unit. If your S/N starts with I600X go to this article. If your S/N starts with I600AX go to this article.
2. At the bottom of each of these pages, you see a list of different OS version. Pick the one for your device by looking at your S/N. For example AX4 is for an S/N starting with I600AX4…