What used to be a niche phone design is starting to flex its way into the mainstream. Foldable phones, which incorporate two or three panels that open into tablet configurations or condense down into compact sizes, are finding their audience. At

What used to be a niche phone design is starting to flex its way into the mainstream. Foldable phones, which incorporate two or three panels that open into tablet configurations or condense down into compact sizes, are finding their audience. At