As we reported yesterday, Apple is now selling contract-free iPhone 6 and iPhone 6 Plus in retail stores and online. Following historic pattern, the 16 GB base model iPhone 6 costs $649 with higher tiers costing $100 extra. The iPhone 6 Plus starts at $749.

Unlocked iPhones can be activated for use any carrier, AT&T, Sprint, Verizon or T-Mobile. Apple usually launches unlocked models of their phones a couple of months after normal debut, but this year it seems slightly delayed. This may reflect continued strong demand (and hence, low supply) of the iPhone 6 and 6 Plus generation. Unlocked iPhone 6 and 6 Plus ship in 3 – 5 business days. For comparison, most subsidised options ship in 1 business day.

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Apple sold a record ten million phones in the iPhone 6 and 6 Plus opening weekend, a remarkable achievement that Tim Cook described as being ‘way up’ year-on-year. Apple will report full-quarter iPhone sales numbers on 27th January, in its earnings call for the holiday quarter. Revenue is forecast to exceed $63.5 billion dollars.