AllThingsD blogger Ina Fried is reporting that sources at multiple US mobile carriers are giving her the word that the inventory of the iPhone 5s will be surprisingly low on Friday, September 20. One carrier source even went so far as to say that "We will have grotesquely unavailable inventory." Another carrier complained of "extremely disappointing shipments from Apple," but thought that demand for the iPhone 5s might not be as high as originally anticipated.
Boy Genius Report had originally reported on "severely constrained" supplies, citing "multiple sources." Although we usually take BGR's advice with a large grain of salt,
