Samsung Galaxy J4 Core is the company's second Android Go phone

Judy Cobb
November 9, 2018

“When its closed, its a phone” and “when its open, its a tablet”, the company said at its developers conference, explaining that it is working with Google and developers to optimize Android apps for this type of screen.

When folded, the cover display, an OLED that functions as a notification center, measures 4.58 inches diagonally.

"This device is very much a first-generation product", he said.

Analyst Bob O'Donnell with Technalysis Research said while the bendable screen provided a wow factor, shoppers may not like the thickness of the folded phone or its price tag. A Bloomberg report a few days ago provided a similar detail about the phone's front-facing camera, and we had seen reports out of South Korea before then that said the same thing.

The bigger screen can split into three active areas at once, meaning three apps can run at the same time. Foldable devicesOLED display technology is now making inroads in the TV market but it also has the potential to change how we use our handheld devices. To facilitate multitasking, Samsung described at the event a new, intuitive interface design called One UI to be used with the Infinity Flex Display. According to The Guardian, Samsung is not the only cellphone manufacturing company creating a foldable phone.

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Dark mode draws 43% lesser power at full brightness compared to "normal mode" in the YouTube app, according to Business Insider. This makes sense, since OLED displays feature individual pixels that barely do any work on dark areas of the screen.

"The foldable display lays the foundation for a new kind of mobile experience", said Koh Dong-jin, president and CEO of the IT and mobile communications division at Samsung.

China's Huawei Technologies has said it is planning to launch a 5G smartphone with a foldable screen in mid-2019.

Royole said it would start filling orders in late December.

Not alike: I've previously reported on the foldable smartphone rumor.

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