Apple’s long‑rumored foldable iPhone just crossed a big internal milestone: Foxconn has reportedly moved the device, widely referred to as “iPhone Fold,” into trial production, lining it up for a late‑2026 debut if everything goes to plan. It is still a behind‑the‑scenes phase, but it’s the clearest sign yet that Apple’s first folding phone is finally stepping out of the lab and into the factory.

According to Chinese leaker Instant Digital, Foxconn is now assembling early runs of the iPhone Fold to help Apple iron out production quirks, measure yields, and validate the complex folding display and hinge before giving the green light for mass production. If those tests go smoothly, full‑scale manufacturing is expected to kick off around July, which is roughly when Apple typically ramps up its regular iPhone lineup ahead of the September event. What’s different this year is timing: multiple reports suggest Apple will still unveil the foldable alongside the iPhone 18 Pro family in September, but actual shipments of the foldable may slip to “a little later” — potentially as far out as December 2026.

On the hardware side, leaks sketch a device that behaves more like a pocketable iPad mini than a stretched iPhone. When closed, the iPhone Fold is expected to offer a cover screen of around 5.4–5.5 inches, making it feel familiar in the hand. Open it up, and you’re looking at a roughly 7.6–7.8‑inch OLED inner display with a 4:3 aspect ratio, very much in iPad territory for reading, media, and multitasking. Unlike the tall, skinny foldables from Samsung and others, Apple is said to have gone for a “book‑style” design that’s wider than it is tall, which should make apps, split‑screen layouts, and web pages feel more natural.

Thickness is another area where Apple seems to be pushing hard. Rumors point to the device being about 4.5mm thin when unfolded, and roughly 9–9.5mm when folded, which is slimmer than many current iPhones in a case and unusually thin for a foldable. Achieving that profile apparently comes with trade‑offs: don’t expect a full “Pro‑level” triple‑camera setup with a dedicated telephoto, and don’t expect Face ID either. The TrueDepth camera system simply doesn’t fit in such a thin frame, so Apple is reportedly reverting to an iPad‑style Touch ID sensor built into the side button, a throwback that some users might actually prefer.

The folding experience itself is where Apple is trying to differentiate. The company has supposedly spent years testing hinges, display stacks, and panel suppliers to get the crease — the main visual annoyance on most foldables — as close to invisible as possible when the device is open. Several reports describe a design where the inner display remains largely flat, with a subtle or barely noticeable fold line, helped by a tighter hinge radius and improved flexible OLED materials. The end goal is to make it feel less like a compromise and more like a “real” tablet when unfolded, while still snapping shut into something you can throw in a pocket.

Behind the scenes, Apple has also been experimenting with different foldable product ideas, including larger, more tablet‑like designs and clamshell “flip” concepts, before settling on this book‑style phone‑first approach. The company’s broader software roadmap appears to be lining up around it, too: iOS 27, expected to be unveiled at WWDC 2026, is rumored to focus heavily on Siri and “Apple Intelligence” features, but leaks also mention optimizations tailored specifically for a future foldable iPhone. That could mean smarter multitasking, flexible app layouts that adapt as you open and close the device, and continuity features that let you move fluidly between folded and unfolded modes.

The launch timing is shaping up to be interesting from a market perspective. By arriving after the iPhone 18 Pro and Pro Max, the foldable immediately slots in as the ultra‑premium, likely most expensive iPhone in the lineup — a halo device rather than the default upgrade path. Some reports even suggest Apple might use different branding, potentially pushing it into an “Ultra” tier that sits above the Pro phones, which would also give the company room to experiment with pricing and margins without disrupting the core models. Analysts like Barclays’ Tim Long are already floating December availability as a realistic window, reinforcing the idea that Apple is comfortable treating this as a special‑case launch rather than sticking strictly to the September playbook.

For users, the big question is whether this is the first iPhone in years that genuinely changes how the device is used day to day. The form factor naturally appeals to people who bounce between an iPhone and an iPad, or who already live inside foldables from Samsung, Google, and others and are just waiting for Apple’s take. Early dummy units and CAD‑based renders show a comparatively compact exterior and a short‑and‑wide interior that seems ideal for reading, social apps, note‑taking, and media, without feeling like a remote control in portrait mode. On the flip side, losing Pro‑grade zoom and Face ID in a device that will almost certainly cost more than any existing iPhone may be a sticking point for some buyers, especially those who use their camera heavily.

Still, the move into trial production suggests Apple is confident enough in the hardware that it’s ready to see how well the design holds up under factory conditions rather than just in labs. There is always a chance that issues in this phase — yield problems with the folding panel, hinge durability concerns, or assembly bottlenecks — could push timelines back, but so far, the general consensus in the supply chain is that Apple is on track for a 2026 release. For now, the message is simple: the foldable iPhone is no longer an abstract rumor. It’s on test lines at Foxconn, it has a fairly clear design direction, and if nothing major goes wrong, it should be in customers’ hands — folded and unfolded — before the end of next year.