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iPhone 18 Pro Max Leak Hints at No Significant Changes to Smartphone's Thickness Over Predecessor

iPhone 18 Pro Max Leak Hints at No Significant Changes to Smartphone's Thickness Over Predecessor

iPhone 18 Pro Max may feature a larger battery than the current model.

Written by Sucharita Ganguly, Edited by David Delima | Updated: 4 June 2026 19:13 IST

iPhone 18 Pro Max Leak Hints at No Significant Changes to Smartphone's Thickness Over Predecessor

iPhone 17 Pro Max (pictured) has a thickness of 8.75mm

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Highlights

Apple may keep the same thickness as the current model
The iPhone 18 Pro Max may feature a larger battery
Apple could be focusing on a foldable iPhone this year

Apple's iPhone 18 Pro Max has surfaced in a new leak that sheds light on the physical design of the company's next flagship smartphone. The latest information suggests Apple may not make significant changes to one aspect of the handset's construction, despite earlier reports pointing to a redesign. The leak also arrives amid growing speculation about the company's first foldable iPhone, which is expected to debut alongside the iPhone 18 series. Apple is widely expected to introduce the new models in Q3 2026.

iPhone 18 Pro Max May Arrive With the Same Thickness as iPhone 17 Pro Max

According to a Weibo post by tipster Ice Universe (translated from Chinese), the iPhone 18 Pro Max will be 8.75mm thick. If accurate, the handset would retain the same profile as the iPhone 17 Pro Max rather than becoming thicker. The latest claim differs from an earlier prediction by the same tipster, who said in March that the upcoming top-end model could be slightly thicker at 8.8mm.

Iphone 18 Pro Max Discussion

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The tipster also says that Apple has focused much of its attention on the rumoured iPhone Ultra this year. The name is commonly associated with reports about the company's first foldable iPhone, expected to be a new addition to the iPhone lineup.

New iPhone 18 Pro Leak Suggests It Could Arrive in These Battery Variants

Previous leaks have also hinted at changes to the iPhone 18 Pro Max's weight. Last year, another tipster claimed that the smartphone could weigh more than 240g, potentially making it the heaviest iPhone released by Apple since the iPhone 14 Pro Max. The phone could still gain weight due to internal hardware changes, despite keeping the same thickness.

Earlier reports suggested that the iPhone 18 Pro Max may feature a larger battery than the current model. The battery capacity is said to range from 5,100mAh to 5,200mAh, compared with the 5,088mAh battery in the eSIM version of the iPhone 17 Pro Max.

If Apple adopts a larger battery while maintaining the same thickness, the company could achieve this through internal design changes or by reducing the size of other components. Current reports indicate that the handset will continue to use a 6.9-inch display.

As Component Prices Surge, New Leak Reveals Possible iPhone 18 Pro Pricing

The iPhone 18 Pro and iPhone 18 Pro Max are also expected to receive other upgrades. Rumoured features include a smaller Dynamic Island, Apple's next-generation C2 modem, a revised Camera Control implementation, and an upgraded primary camera with variable aperture support. Apple may launch the iPhone 18 Pro models in September, alongside the company's first-ever foldable iPhone.

iPhone 17 Pro Max

REVIEW
KEY SPECS
NEWS

Design
Display
Software
Performance
Battery Life
Camera
Value for Money

Good
The boldest redesign since the iPhone X
Bright and stunning display
A19 Pro under the hood guarantees excellent performance
Massive camera upgrade
Video quality gets a much-needed bump
Centre Stage camera at the front changes selfie game on iPhones forever
Improved charging speed

Bad
Aluminium body picks up scratches
Expensive
Heavier than the 16 Pro Max

Read detailed Apple iPhone 17 Pro Max review

Display 6.90-inch

Processor Apple A19 Pro

Front Camera 18-megapixel

Rear Camera 48-megapixel + 48-megapixel + 48-megapixel

RAM 12GB

Storage 256GB, 512GB, 1TB, 2TB

OS iOS 26

Resolution 1320x2868 pixels

More Apple mobiles Apple mobiles price in India

iPhone 14 Pro Max

KEY SPECS
NEWS

Display 6.70-inch

Processor Apple A16 Bionic

Front Camera 12-megapixel

Rear Camera 48-megapixel + 12-megapixel + 12-megapixel

Storage 128GB, 256GB, 512GB, 1TB

OS iOS 16

Resolution 2796x1290 pixels

More Apple mobiles Apple mobiles price in India

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Further reading: iPhone 18 Pro Max, iPhone 18 Pro Thickness, iPhone 18 Pro Features, iPhone 18 Pro, iPhone, Apple

Sucharita Ganguly

Email Sucharita Ganguly

Sucharita is a writer with Gadgets 360 and is mostly found playing with her cat in her free time. She has previously worked at breaking news desks across organizations. Powered by coffee, The Beatles, Bowie, and her newfound love for BTS, she aims to work towards contributing to a better media environment for women and queer folk. More