IPhones 18 Pro and Pro Max may have greater thickness and weight, leaks reveal
New information recently released by internal sources in the technology industry indicates that Apple’s next premium models, the “iPhone 18 Pro” and “iPhone 18 Pro Max”, may feature a considerable increase in thickness and weight. These changes would be directly linked to the implementation of batteries with greater capacity, aiming for extended autonomy for users.
Details about the iPhone 18 Pro and its thickness
A notable increase in thickness is expected for the “iPhone 18 Pro”, as revealed by leaker Fixed Focus Digital on the Chinese platform Weibo. Documents from a leak from Tata Electronics, an Indian supplier to Apple, suggest that the combination of the aluminum back and the set of lenses would result in an increase of approximately 2mm in the total thickness of the device.
Currently, the “iPhone 17 Pro” is 8.75mm thick, which would make the new model reach around 10.75mm — a value that the leaker himself described as “surprising”. Despite this change, no details were released about a possible change in the weight of the smaller model.
On the same topic: Rumors point to an increase in the thickness and weight of the future iPhones 18 Pro and 18 Pro Max
News for the iPhone 18 Pro Max: weight and battery
The larger model, the “iPhone 18 Pro Max”, should also undergo significant modifications, according to information shared by leaker Ice Universe. It points to a thickness of 9mm, a slight increase compared to the 8.75mm of its predecessor, the “iPhone 17 Pro Max”.
In addition to the thickness, the “18 Pro Max” is tipped to weigh 240 grams, surpassing the current model’s 233g. The main reason behind these changes would be the introduction of a 5,500mAh battery, representing a jump of up to 11.8% in energy capacity, promising more hours of use for the consumer.
What design changes could mean for the user
Historically, Apple has prioritized the lightness and thinness of its devices, a feature often highlighted in its launches and marketing campaigns. However, the current smartphone market has demonstrated a growing demand for longer battery life, often seen as a more valuable differentiator than an ultra-thin design.
The decision to make iPhones thicker and heavier could signal a reorientation of the company’s strategy, seeking a balance between refined aesthetics and lasting functionality. For consumers, this could mean a more robust device, less prone to damage and, crucially, with a significantly longer battery life, essential for those who use their smartphone intensively throughout the day for work, study or entertainment.
Although an increase in thickness and weight can change the ergonomics and feeling when holding the device, the improvement in autonomy can be a decisive purchasing factor for many users. Additionally, a thicker body could allow for better thermal management for internal components such as the main chip, potentially resulting in more consistent performance under heavy load. This movement can be interpreted as a direct response to feedback from consumers, who sometimes complain about the need to charge their devices multiple times a day.
More on this story: New iPhone 18 Pro will have a noticeable increase in thickness to house an updated super camera
Market scenario and expectations for the official launch
Revelations from internal sources should be viewed with due caution, as the final dimensions and official characteristics of the new models will only be confirmed by Apple at its launch event, traditionally held in September. Until then, specifications may undergo last-minute adjustments or even be rejected, as is common in the development cycle of technological products.
It is known that the technology giant tends not to openly detail small variations in thickness and weight in its promotional materials. Instead, the company will likely focus on highlighting the perceived benefits of the changes, such as increased battery life and any new features or performance improvements that justify the physical changes. This approach allows Apple to control the narrative and focus on the product’s strengths.
This scenario reflects a broader trend in the technology sector, where innovation is not just restricted to new processors and cameras, but also the ability to deliver a continuous and reliable user experience, driven by more efficient batteries. The competitiveness of the smartphone market requires companies to look for differences that really impact users’ routines, and battery life has proven to be one of the most important.
Competitors in the Android segment often already offer smartphones with large capacity batteries. If the information is confirmed, Apple would be aligning itself more directly with this market demand, sacrificing some aesthetics to deliver functionality that has become crucial for modern connected life.
Possible specifications of the new iPhones
To better understand the possible changes, check out a comparison of the expected specifications:
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- iPhone 17 Pro:8.75mm thick
- iPhone 18 Pro (preview):Increase of approximately 2mm, resulting in a total thickness of approximately 10.75mm
- iPhone 17 Pro Max:8.75mm thick, 233g weight
- iPhone 18 Pro Max (preview):9mm thick, 240g weight, 5,500mAh battery (11.8% increase in capacity)
While the official launch does not take place, the leaked information gives a preview of a possible path that Apple may be taking: prioritizing functionality and battery durability, even if this means moving away from the incessant search for ever thinner devices. Consumers are waiting to see whether this exchange will bring the expected benefits in practice.















