The software that will power the new iPhones, and all models right back to the iPhone 11, will go on general release this day or, possibly, Tuesday, Sept. 16. Date and time expected: 7 a.m. local time, Friday, Sept. 19 This is it: the iPhone 17 series will hit stores and go on general sale.

Apple’s biggest event of the year is just weeks away. Here’s what we know about the expected September launch of the iPhone 17—and maybe a surprise or two. The biggest tech event of the year is likely just several weeks away.

The most widely discussed rumor is that Apple might be introducing its slimmest phone ever, the iPhone Air, which may replace the iPhone Plus. This rumored device is said to have a profile thickness of 5.5 mm, making it about 0.08 inches thinner than current iPhones. It’ll also feature a 6.6-inch screen.