Abstract:
On September 17, Apple’s first foldable screen phone iPhone Duo was officially released for hands-on experience. Tim (Pan Tianhong), founder of Film and Television Hurricane, also shared his experience in the video. According to Tim, on the day of the Apple conference, he tested the reliability of the iPhone Duo in the experience area, unfolded the phone and then opened the body in reverse.
No obvious abnormality was found at the scene at the time, but when watching the video later, it was discovered that the iPhone Duo's external screen had a flickering phenomenon.

Tim emphasized that he never broke it with force, which is different from the reliability of the candy bar machine.
Today, Li Nan, the founder of Numiao Technology, expressed a different view on this. Li Nan said that industrial design, reliability testing and quality standards are all verified around the scenarios where users use product functions normally. Li Nan said, "Users can use it normally and the hinge can open and close up to 180 degrees and pass the test. What product function do you want to use if you do it the other way around? Is it the traffic and topic function?"

Subsequently, Li Nan also posted that the biggest problem with the folding screen is that under completely normal use conditions,
even if the internal screen is not opened, there is a certain probability that the internal screen will be damaged.
This is mainly caused by the non-rigidity of the frame caused by the folding structure and the lack of buffering between the flexible structure of the inner screen.This is an urgent problem that the industry needs to solve. As for some usage scenarios that cannot bring any functions but only bring topics, I believe that some brands will solve them.

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