Changes
'''Please notice, on M4 boards shipped after 2016-0910-01:'''
Due to a new flashchip on the wifi-board, do not use firmware versions lower than v1.0.9. If done by accident, please use v1.0.9 and upwards or higher to restore it.
{| class="wikitable" style="margin-left: auto; margin-right: auto; border: none;"
