Say it ain't so! According to this here slide, which details a bit of insidery AT&T information about the impending release of iOS 4.3, Ma Bell's iPhone 4 will have its Personal Hotspot restricted to use with just three devices. Just about every MiFi / mobile hotspot device we've ever seen -- including Verizon's iPhone 4 -- has supported five WiFi devices, but unless AT&T pulls a 180 here, it'll be limiting its iPhone to just three connections. What's wild is that we've found AT&T to actually have
