Apple’s upcoming iPhone launches are likely to bring one of the biggest design changes in recent years. A fresh leak suggests that the upcoming iPhone 18 Pro is likely to be thicker and have a larger camera setup compared to the iPhone 17 Pro. Though the changed design might not sound exciting to everyone at first glance, the other meaningful upgrades from Apple might make up for it with a better battery life and an advanced camera system.Here is everything we know so far about the thickness and other specifications of the iPhone 18 Pro:iPhone 18 Pro thickness leak: What is changing?According to a new leak, the iPhone 18 Pro will retain the aluminium alloy frame but is likely to be around 2mm thicker than the 17 Pro. The same leak also suggests that the camera setup will visibly be larger in the current generation as compared to the previous generation.Here is what is known yet:ModelThicknessiPhone 16 Pro8. 25mmiPhone 17 Pro8. 75mmiPhone 18 Pro (rumoured)Around 10mm–10. 9mmIf this leak is accurate, this can be the biggest thickness upgrade in the history of iPhones.Why is Apple making the iPhone 18 Pro thicker?Largely, Apple’s thicker design is being introduced to accommodate hardware improvements that Apple is bringing. Here are the changes that are expected to happen:Larger batteryThe recent leaks suggest that Apple is going to significantly improve the battery life with the iPhone 18 Pro. So, the focus is not on reducing the size or thickness of the phone but on improving the overall performance for the users.Redesigned camera systemThe camera setup is expected to get a major upgrade, with some reports suggesting Apple’s first variable-aperture main camera. This will allow the camera to automatically adjust the lighting, improving both low-light photography and depth control. This is largely the reason behind the thick build of the phone.Improved cooling and overall performanceThe aluminium frame is most likely continuing, offering an improved heat outflow mechanism, helping Apple constantly offer overall smooth performance.Expected iPhone 18 Pro specifications (Rumoured)Though Apple has not officially confirmed anything, the current leaks suggest the following:Aluminium alloy frameAround 2mm thicker chassisLarger rear camera moduleVariable-aperture primary camera2nm Apple A20 chipsetImproved battery and thermal managementLaunch expected in September 2026 alongside the iPhone 18 Pro Max and Apple's first foldable iPhoneShould buyers be concerned about the added thickness?Not necessarily. If you are largely looking for the overall performance and not just the look, you should not be too worried about this leak. After all, a better battery life and improved photography are always a win.What does this mean for iPhone users?Apple has constantly been focusing on internal upgrades for quite some time rather than bringing in dynamic design changes. If the leaks are accurate, the overall performance of the iPhone 18 Pro could be much better than the previous generations while eliminating the ultra-thin profile.Other Frequently Asked Questions around the iPhone 18 Pro:How much thicker will the iPhone 18 Pro be?The current leaks suggest that the iPhone 18 Pro could be around 2mm thicker than the iPhone 17 Pro. This will make it the thickest model in recent years.Why is the iPhone 18 Pro expected to be thicker?The additional thickness is believed to fit in a larger battery, a better camera and an improved thermal management.Will the iPhone 18 Pro have a new camera?Current rumours indicate Apple may introduce a variable-aperture primary camera along with a triple 48MP rear camera setup.When is the iPhone 18 Pro expected to launch?Based on Apple's usual launch schedule, the iPhone 18 Pro and iPhone 18 Pro Max are expected to debut in September 2026. Besides this, the iPhone Fold launch is also expected to happen at the same event.end of article