I had a microcell a year ago and in order to get it fully functioning on stock & aosp roms I fully reset my modem and router. Not just unplugging them and plugging them back in, but doing a factory reset on them. Some modems don't allow you to access these options, but routers will. So first do a factory reset on the router, when that is completed then unplug the router, then unplug the modem and microcell, then plug them all back in and see what you get. It's worth a shot, if not I would contact AT&T about the issue and possibly exchanging the unit.