> Or "serial numbers," as it were. Or in this case, a constant number… I’ve seen similar problems with inexpensive Chinese wifi modules all shipping with an i

> Or "serial numbers," as it were. Or in this case, a constant number… I’ve seen similar problems with inexpensive Chinese wifi modules all shipping with an identical MAC address. Mostly you can Google up the method required to reflash them (or worst case, I’ve been out a dollar or two because it usually the ultra cheap things this happens on).