Sony Ericsson Xperia VAIO Prototype
Photo credit: XDA Developers
Back in 2010, Sony Ericsson had initially planned to release an Xperia VAIO SE 123 mobile phone with a 5.5-inch display and a hinged slide-out keyboard. Fortunately, at least one of the prototypes have surfaced and might have given similar devices a run for their money at the time. This was before the company released the first Android-based VAIO smartphone in 2015, but since this is a prototype, the device runs Android 2.1 Eclair.

Yahoo Mobile Phone Verizon
Yahoo, which was acquired by Verizon Media, unveiled its first smartphone, and it’s the ZTE Blade A3Y. At $49.99, it’s paired with Yahoo Mobile’s unlimited plan and works on Verizon’s powerful 4G LTE Network. Featuring a 5.45-inch 720HD display, 2GB of RAM, 32GB of internal storage, an 8-megapixel rear-camera, 5-megapixel front-facing selfie camera, rear fingerprint sensor, and a 2660 mAh battery, all running Android 10.

Samsung Galaxy Z Fold 3 Smartphone
Photo credit: Lets Go Digital / Yanko Design
Samsung Display filed a design patent with the KIPO (Korean Intellectual Property Office) that was just published on July 2020 and it includes eight product sketches that could possibly be the next Galaxy Z Fold 3 smartphone. It features a dual-hinge form factor that is comprised of three separate displays. When completely opened, you have a tablet-like device, but regardless of the configuration, there is always at least one usable display.

Xiaomi 80W Mi Wireless Charging
Even with all the power bank options out there, sometimes, you just want to quickly recharge your smartphone. Xiaomi introduces its 80W Mi Wireless Charging Technology that will allow you to do just that. Just how fast is it? It can power up a 4,000 mAh battery to 10% in 1 minute, 50% in 8 minutes and 100% in just 19 minutes. The iPhone 12 Pro has a 2,775mAh battery, so if it was compatible with Xiaomi’s technology, the handset could be fully charged in possibly just 15 minutes or less.

OPPO Reno Flip 5G Mobile Phone Clamshell Design
Photo credit: Lets Go Digital
You’ve probably seen plenty of foldable smartphones in recent times, but the OPPO Reno Flip 5G has a design unlike the competition. The company filed a utility patent with the WIPO (World Intellectual Property Organization) for a ‘foldable terminal’, and it was published on September 3, 2020. This mobile phone would have a rotating hinge with gears, along with a pair of cover plates that allow the housing to slide out.