An internal memo for Apple retail staff has proven that US Apple Stores now have limited authority to unlock AT&T iPhones. If a buyer wants an unlocked iPhone 4 but finds the pre-configured models are out of stock, staff can now sell an AT&T iPhone at full price as "Device Only" to get an unlock. The 9to5 tip made no mention of post-sale unlocks, although these would more likely be AT&T's responsibility should they ever appear....
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Source : http://feeds.electronista.com/click.phdo?i=d4b0d1c...