Abstract:
On the 10th of this month, Apple officially launched its first foldable screen iPhone Duo, with a starting price of 15,999 yuan.
What attracted attention this time was not only the folding screen itself, but also the iconic opening and closing perspective folding animation of iPhone Duo. Many netizens called it "Apple's exclusive black technology."
As the phone is opened and closed, the screen of iPhone Duo will gradually blur and darken, creating a "see-through and seamless" visual effect.

Blogger Digital Chat Station broke the news that domestic brands will soon transplant this animation effect to their own folding screen products, and I believe everyone will be able to see it soon.
It is worth noting that private developers have copied Apple’s animation effects. From Android phones to Mac computers, replica versions of various platforms have appeared one after another, which seems to indicate that the technical threshold is far from being as high as imagined.
Some netizens shared their adaptation results on social platforms. He perfectly transplanted Apple's animation to Samsung Galaxy Z Fold8, and the effect is comparable to iPhone Duo.

Industry insiders say that the technical threshold for iPhone Duo's opening and closing perspective animation is not high. The core principle is to use hinge angle data to adjust the perspective parameters of the screen shader in real time.
In terms of hardware configuration, iPhone Duo is equipped with a 7.6-inch internal screen and a 5.4-inch external screen, equipped with an A20 Pro chip, a rear 48 million main camera and a 48 million ultra-wide angle, and supports side fingerprint recognition.
This is the largest iPhone in Apple’s history, 50% larger than the iPhone 18 Pro Max; the external screen display area is more than 90% of the iPhone 18 Pro. In addition, Apple’s iOS system has also been completely reshaped, bringing a variety of new ways to play.
In addition, the frame and hinge shell of the phone are made of grade 5 titanium. The inner screen has an anti-scratch coating. The front and rear of the fuselage are protected by super ceramic crystal panels. It also supports IP68 water and dust resistance.

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