As we'd suspected, AT&T isn't intentionally limiting upload speeds on iPhone 4s in some markets where things suddenly got slow over the weekend. Or that's the company's claim, anyhow -- and seeing how they're actually calling out a supplier in the process, we tend to buy it. Specifically, AT&T says that some Alcatel-Lucent equipment is causing uploads to fall back to non-HSUPA UMTS speeds "under certain conditions" affecting "less than two percent" of the company's customers, and that they're working on developing a fix. "Less than two percent" seems a bit optimistic, but regardless, at least it shouldn'
