OPPO Innovation: OPPO X 2021 Rollable Smartphone & The Flash Initiative

OPPO Innovation: OPPO X 2021 Rollable Smartphone & The Flash Initiative

MWC Shanghai is one of the biggest tech events in the world. It showcases new mobile devices, advances in 5G, as well as other innovations that will make our life better using technology. OPPO took the opportunity to demonstrate its innovations which we can expect to see in 2021 and beyond, which includes its latest rollable smartphone concept and new flash charging technology.


The OPPO X 2021 rollable smartphone concept was first announced in 2020, but the company further unveiled its features at MWC Shanghai 2021. While its rivals are releasing foldable smartphones, the company went for a different approach for a smartphone that can provide a larger screen as needed. In the case of the OPPO X 2021, the company applied for 122 individual new patents, including 12 relating to a completely new rollable mechanism.

Because of that, the OPPO X 2021 is able to smoothly expand its 6.7-inch OLED display into 7.4-inch. Using its proprietary Warp Track screen laminate, OPPO was able to create a display that unrolls like a caterpillar track, eliminating creases or fold lines. It also uses a custom-developed Roll Motor powertrain that uses two drive motors to smoothly extend and retract without too much stress on the high-end display. It’s durable, too, thanks to a system that uses two sliding plates to support the screen whether it’s retracted or fully unrolled, further strengthening the device.

Aside from the rollable screen design, the OPPO X 2021 also demonstrated its support for OPPO’s new Wireless Air Charging technology that uses magnetic resonance.


Charging begins as soon as the device gets within a few inches of the charging mat, and users can even play games while they wirelessly charge. Watch the hands-on video below:

That’s not the only charging technology OPPO unveiled at MWC Shanghai 2021 as it also launched its flash charging project: The Flash Initiative. The project is based around OPPO’s VOOC flash charging and sees organizations license the OPPO technology to help bring faster charging to consumers.

OPPO’s Flash Charging technology includes the tiny 50W Mini SuperVOOC charger that can charge smartphones, tablets, and even laptops, measuring at just 10.05mm thick and 82.2mm long. There’s also the 65W AirVOOC wireless charger that can fully power a 4,000mAh phone battery in 30 minutes, and the 125W flash charger that can do the same in just 20 minutes.

Each product uses low voltage charging, with a dual-cell structure, and multiple charge pumps and temperature sensors to automatically regulate voltage and dissipate heat.

Those flash charging technologies are now available to more consumers through OPPO’s newest partners in The Flash Initiative:

Anker, one of the world’s leading consumer electronic brands, it creates innovative products from power banks to chargers and vacuum cleaners to headphones. By working with OPPO, Anker will help to bring flash charging to millions of more people.

FAW-Volkswagen, the joint venture between FAW Group and Volkswagen Group, will use OPPO’s unique charging IP to incorporate rapid charging into Volkswagen cars made in China, giving automobile drivers and passengers power on the go.

• Chip manufacturer NXP Semiconductors brings smart, connected solutions to a range of sectors, from smart cities to industrial, automotive, mobile, and the home. Building on a longstanding relationship, NXP will implement several OPPO patents to support VOOC flash charging across its printed circuit board assemblies, meaning that flash charging could be more easily integrated into more automotive applications, public spaces, and industrial settings.

With these developments, we’ll soon experience OPPO’s newest innovations, not just in their latest smartphones, but in other technologies as well.

This article was written by Louie Diangson, Managing Editor of YugaTech. You can follow him at @John_Louie.

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