Production preparations for Apple’s next flagship iPhones are officially underway, even though the calendar still reads February. According to a new leak, Apple has begun late-stage manufacturing tests for the iPhone 18 Pro and iPhone 18 Pro Max, signaling that the 2026 launch timeline remains firmly on track.
With less than seven months to go before the anticipated September unveiling, the update comes from Weibo-based leaker Fixed Focus Digital, whose post suggests that both Pro models have entered what is described as “mass-production testing.” This phase is widely understood to be the final stretch of pre-launch manufacturing checks that occur shortly before full-scale production begins.
At this point in the development cycle, Apple typically transitions from the Design Validation Test (DVT) phase into Production Validation Test (PVT). During PVT, selected sections of the assembly line are activated so the company can evaluate production yields, manufacturing consistency, and quality control — without yet operating at maximum capacity.
The timing indicates that Apple is pressing ahead with its plans to release the iPhone 18 Pro lineup later this year, while holding back the standard iPhone 18 until around March 2027. The PVT phase is particularly significant this year because it involves testing three major new internal technologies.
One of those components is the A20 Pro application processor, which is expected to become the first Apple chip manufactured using a 2-nanometre process. If confirmed, this would mark a major leap forward in performance and efficiency for Apple silicon. Also undergoing testing is a new mechanical variable-aperture camera system designed exclusively for the Pro models — a feature that requires extremely precise calibration on the production line.
The variable aperture system functions much like the human eye. In darker environments, the aperture opens wider, allowing more light to reach the camera sensor. In bright conditions, it narrows, reducing light intake and preventing overexposure. The result is sharper images, improved low-light performance, and a more natural bokeh effect that doesn’t rely on software processing.
This hardware-based approach also offers greater control in group photography, allowing users to adjust the aperture so subjects at different distances remain in focus — something fixed-aperture smartphone cameras cannot achieve. A smaller aperture additionally enhances detail in close-up macro shots.
While the Pro models are now in advanced testing, full mass production of the iPhone 18 series is expected to ramp up during the summer. The base iPhone 18 is also undergoing production checks, though at an earlier stage. Since it will not launch until the first quarter of 2027, it is likely still in either an early Design Validation Test or a mid-to-late Engineering Validation Test (EVT).
Beyond the new A-series chip, the iPhone 18 Pro and Pro Max are also expected to debut Apple’s second-generation in-house 5G modem. Unlike the first-generation C1 modem — which appeared only in the budget iPhone 16e and supported sub-6GHz networks — the upcoming C2 modem will handle both sub-6GHz and high-band millimetre-wave signals.
The modem is designed by Apple and manufactured by TSMC, further deepening Apple’s shift away from third-party wireless components.
Looking beyond the Pro lineup, the 2026 iPhone range is also expected to introduce Apple’s first foldable smartphone. Rumoured to cost between $2,000 and $2,500, the so-called “iPhone Fold” could become the first foldable device to feature an internal display without a visible crease — a longstanding challenge in the foldable phone market.
Although Apple’s official announcement is still more than half a year away, leaks, renders, and supply-chain details are expected to intensify in the coming months as the launch approaches.
