Now that the iPhone Duo is at least partially out in the wild, the horde of reviewers that have used the device are finding things that were previously unannounced and undiscovered. Here are a few examples.


Early iPhone Duo reviews have shed more light on some obscure features exclusive to the foldable.
On September 9, Apple officially entered the folding smartphone market with its iPhone Duo. While customers won't be able to get their hands on one until October 23, select reviewers have already shared their thoughts on Apple's first foldable.

Alongside the usual opinions, many of these early reviews also detail obscure iPhone Duo features. For instance, when unfolded, the iPhone Duo supports Edge Light. In essence, the outermost area of the iPhone Duo's internal display acts as a ring light during FaceTime video calls.


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