Apple’s first foldable iPhone appears to be moving closer to reality, and the latest chatter points to two parts that may define the device’s identity: vapor chamber cooling and a hinge made from liquid metal. Those details suggest Apple is aiming for a foldable phone that stays thin without giving up thermal stability or long-term durability.
The rumored device is still being referred to as iPhone Ultra, and the direction of the leaks shows a clear priority beyond appearance. Apple seems focused on building a foldable that can handle daily use comfortably while avoiding the common trade-offs that often come with slim, complex hardware.
Cooling built for a tight internal space
The latest report, attributed to a Weibo tipster and cited by GSM Arena, says Apple has managed to fit an advanced cooling system into an extremely thin body. That system is a vapor chamber, a technology already familiar in flagship phones and premium gaming devices.
Its role is to spread heat from the processor and other components more evenly across the device. That matters most when the phone is under heavy load, such as during gaming, multitasking, or AI-based features that can raise temperatures quickly.
For a foldable phone, the challenge becomes even harder because internal space is far more limited than in a standard smartphone. A vapor chamber would therefore be a key piece if Apple wants to keep performance steady without making the design thicker.
A hinge designed to last longer
Alongside cooling, Apple is also said to be preparing a hinge that uses liquid metal. The material is known for being stronger and more durable than conventional metal, which makes it suitable for a mechanism that must keep moving repeatedly.
That choice matters because the hinge is often one of the most vulnerable parts in a foldable device. Using liquid metal could reduce wear from repeated opening and closing, helping the structure hold up better over time.
Taken together, the cooling system and hinge material point to a more careful approach to foldables than a simple focus on slimness. Apple appears to be balancing visual appeal, hand feel, thermal control, and mechanical strength in the same product.
Development still appears to be on track
The same leak claims the project is still progressing according to plan and could be unveiled in September 2026. Apple has not made any official announcement, but the rumor stream suggests the company is quietly refining the engineering behind the device.
If the information proves accurate, the foldable iPhone will be shaped by two of the most important engineering questions in this category. One is how to keep heat under control inside a very narrow chassis, and the other is how to make a hinge durable enough for long-term use.
Source: www.beritasatu.com