Apple is experiencing sell-outs of unlocked iPhone 4 units at its company-owned retail stores in the U.K. due to the device’s popularity in markets where Apple has yet to launch the device. The Daily Mail reports that the phone brokers who are purchasing the handsets often form long lines prior to the stores’ openings, and that they are targeting the U.K. because it is one of the few countries that sells the iPhone 4 unlocked. The report…
