Asus RT N66U VB2

Last week, I purchased a new unit of RT N66U n I discovered that the label at the back says hardware version B2.

Haven't heard of this version and not listed in Asus support site either.

Any one got any idea ?

I failed on Aicloud setup, just couldn't get the Aicloud URL connected as well as iOS app setup failed to set it up.

Thanks folks !