A developer discovered it in the code Apple pushed out for another upcoming product.
So what does it tell us? The new phone could look dramatically different from previous iPhone's, which have all had a home button and a frame.
There looks to be a cutout at the top for a speaker and front camera. Some analysts say it's similar to a high-end competitor hitting the market soon, the essential phone, created by the man behind android.
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The leaked code also suggests the new iPhone will have facial recognition technology to unlock the device. The infrared could scan your eyes or your entire face.
Adding to the rumors are some photos just posted on Chinese social media. It shows the same shape with a cutout at the top for a speaker, camera and facial-recognition sensors.
Analysts say CEO Tim Cook will likely unveil the new iPhone in September.
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Apple may have leaked the iPhone 8's design 🙊 pic.twitter.com/WGLYRMz3IA— CNET (@CNET) July 31, 2017