The iPhone 18 Pro series is anticipated to maintain the same fundamental design as its predecessors, which extends to its dimensions. A recent post by tipster Ice Universe states that the 18 Pro Max (and likely the 18 Pro) will have a thickness of 8.75 mm, identical to the 17 Pro models, which is not unexpected.
Additionally, the tipster highlights that Apple's ongoing focus on its first foldable phone, the iPhone Ultra, has resulted in the 18 Pro series lacking many new features. This approach makes sense, as the Ultra, or whatever name it ultimately adopts, will be positioned at the pinnacle of the iPhone lineup. Apple aims to execute its launch with utmost precision.
Source (in Chinese)
