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Apple details iPhone Duo hinge and foldable display engineering
Apple made a foldable phone called the iPhone Duo.
It has one large screen inside and a smaller screen outside.
Apple says the phone’s hinge has more than 100 parts.
Engineers adjusted the hinge so it feels strong and smooth, like closing a good car door.
The inside screen has a special matte surface to reduce glare.
This surface may also make the fold in the screen less noticeable.
Apple says people should avoid adding third-party screen protectors.
The company tested the phone for conditions meant to represent about five years of everyday use.
Apple says it extensively fine-tuned the iPhone Duo hinge to feel solid when opened and closed.
The hinge contains more than 100 components and was designed with durability and long-term reliability in mind.
The foldable phone has a 7.6-inch inner display, a 5.4-inch outer screen and a matte nano-texture coating.
Apple cautions users against third-party screen protectors and says the display coating balances scratch resistance with wear resistance.
Hardware Engineering Vice President Tom Marieb says Apple tests devices against conditions representing about five years of real-world use.
- Who
- Apple and Tom Marieb, Apple’s Hardware Engineering Vice President.
- What
- Apple shared engineering details about the iPhone Duo’s hinge, foldable display, coatings and durability testing.
- Where
- The details were shared in an interview with TechRadar.
- When
- The iPhone Duo was unveiled on September 9 and is scheduled to go on sale on October 23.
- Why
- Apple says the engineering was intended to provide a premium feel, protect the display and support long-term durability.
Key facts
- Product
- Apple’s first foldable smartphone, the iPhone Duo
- Sale date
- October 23
- Inner display
- 7.6 inches
- Outer screen
- 5.4 inches
- Hinge construction
- More than 100 components
- Display treatment
- Matte nano-texture coating
- Durability testing
- Conditions representing roughly five years of real-world use
Quotes
Tom Marieb
Apple Hardware Engineering Vice President
“We really worked on the torque profile very heavily, and that means changing a lot of the mechanical properties of the hinge to have it feel solid, like a high-end automobile's car door, when you shut it. That was design intent, so people would have a feeling like, ‘Oh, it's okay. This is well crafted, and it's safe for me to use and not worry about it.'”
livemint.com
“Personally, when I see someone put a screen protector on their iPhone, it makes my skin crawl, because we work so hard to make beautiful front screens. So we very much wanted to develop new coatings that could withstand [scratches], but also make sure that these coatings were wear-resistant as well,”
livemint.com









