It's happening: Tomorrow, Apple is finally showcasing its iPhone 17 lineup during the big September "Awe dropping" iPhone event. The hardware announcement will take place on September 9 at 1PM ET, and the Engadget team will be liveblogging it from Cupertino in real-time. (You can watch the iPhone 17 event on YouTube, too.) The newest phones will come equipped with the latest iOS 26 features preinstalled, along with any new features Apple reveals that day. So what can we expect to see? While Apple keeps all the details under lock and key, we actually have a very strong idea as to what we'll be seeing, thanks to leaks from Asian supply chains, case manufacturers and some credible media reports. Oh, and there are plenty of more fanciful rumors, too. Here's our best bet as to what will be coming out of Cupertino next in just a few days.
What are the latest iPhone 17 rumors?
Bloomberg's Mark Gurman is the industry's best-known Apple whisperer, and his event preview offers a tidy overview of what to expect on Tuesday. That includes four new iPhone 17 models, with an all-new superthin model, dubbed the iPhone Air, leading the pack. We'll also likely see the baseline iPhone 17, as well as the usual Pro and big-screen Pro Max models, which will offer the line's best cameras and extras.
Additionally, expect up to three new Apple Watch models, with the satellite-connected Apple Watch Ultra 3 and a possible new entry-level Apple Watch SE flanking the Apple Watch Series 11. Rounding out the new products should be the AirPods Pro 3 earbuds, which are said to add heart-rate monitoring and a live translation feature.
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While all of those reports largely jibe with earlier rumors, Gurman's report includes screen sizes and handset sizes down to the millimeter. In fact, he had previously outlined most of the same expectations in a recent appearance on the Engadget Podcast.
But he's not the only one with exact measurements: Plenty of case makers, including Dbrand, have unveiled their cases for the complete iPhone 17 line (including the 17 Pro case shown above), further solidifying expectations on dimensions and screen sizes for the new models. That said, we're still treating everything as unconfirmed until Apple's official announcements hit on Tuesday.
While we don't expect any big leaps forward on the Apple Intelligence front at Tuesday's event, Gurman's subsequent report notes that Apple is continuing to experiment with AI models from Google, Anthropic and OpenAI, and may license technology from one or more of them ahead of a major Siri upgrade that could arrive as soon as March 2026.
In addition, supposed battery capacities for the iPhone 17 models have appeared in a Chinese regulatory database, as shared on X by account ShrimpApplePro (via MacRumors). If the numbers are accurate, the iPhone 17 will get a 3.7 percent increase in battery capacity versus last year's model, the 17 Pro will gain a whopping 18.7 percent and the Pro Max gets an 8.6 percent improvement over the already strong 16 Pro Max battery. Not surprisingly, the leak lists the iPhone Air at around 3,100 mAh, or about 16 percent under the capacity of the iPhone 17 number. It will be interesting to see how Apple addresses that power shortfall if and when the company shares these numbers during or after its announcement.
How much will the iPhone 17 cost?
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