On Saturday, Walmart will begin offering the iPhone 5 at a $60 discount (from $189 to $129) and the iPhone 4S at a $50 discount (from $89 to $39), reports Mashable. The prices are permanent, available only in-store and require signing a new 2-year contract with Verizon, Sprint, or AT&T.We asked Walmart if the new pricing is temporary and were told that no, this is in fact the permanent price of the items. The new price is only available in Walmart stores and is not available online. The price drop is also notable because Apple has historically limited the de