OPPO Find N2 Flip is the latest entrant in the foldable smartphone category. While the competition in the category is increasing with each passing, OPPO has managed to overcome several challenges by improving existing hinge designs. The reason behind focusing on hinge engineering is that it impacts several features of a foldable smartphone - be it space, battery size or anything else.

OPPO Find N2 Flip: New Generation Flexion Hinge

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The new Generation Flexion Hinge of OPPO features fewer parts, sports a cleaner design, and presents a more stable solution. It improves core functionality with a new cam system and 1/4 spindle assembly so it can hold firm between 45° and 110° when folded.

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The Flexion Hinge boasts a flexible stainless-steel element that is precision etched and injected with a soft, pliable material. Oppo uses aeronautical high-strength steel at the key bearing position to ensure the hinge delivers high reliability with a tensile and yield strength that is higher by 15% and 25%, respectively, when compared to traditional hinge design. 

Meanwhile, the aircraft-grade carbon-fibre reinforced polymer guarantees strength while being lightweight. This creates the perfect amount of flex and firmness, whether you are folding the phone or typing on its display. The Find N2 Flip also uses a new "waterdrop fold" when closed. This waterdrop shape has a larger bending radius and results in a lighter crease and lesser screen deformation when compared to a U-shaped hinge.

OPPO Find N2 Flip: 3.26-inch cover screen

The improved, miniaturised hinge on the Find N2 Flip lets OPPO fit a large 3.26-inch cover screen on the front of the phone that accounts for 48.5 per cent of the top half of the device to display more content, including important settings and widgets, notifications, a larger preview screen for photography, and even interactive e-pets  

A smaller hinge also makes a high-capacity, fast-charging battery possible. While most flip phones feature between 3500mAh and 3700mAh of power, the Find N2 Flip upgrades that capacity to 4300mAh. OPPO’s Find N2 Flip features two battery cells with a combined 4300mAh of power and 44W SUPERVOOC flash charging.

OPPO Find N2 Flip: Tested up to 4,00,000 folds

 

Also, the miniaturised hinge is highly durable as the phone has been tested up to 4,00,000 folds by TÜV Rheinland – the equivalent of 10 years of use if you open and close the device 100 times a day. It even works perfectly after being folded and unfolded 1,00,000 times at both -20ºC and 50ºC.

But it isn’t just the folding mechanism that gives Find N2 Flip the edge. When shut, the new-generation Flexion Hinge prevents dust and airborne particles from collecting along the crease line.

The Flexion Hinge and unique Reticular Matrix Plate supporting the screen result in the shallowest crease of any folding phone that makes it virtually invisible. 

Find N2 Flip’s Reticular Matrix Plate combines with display layers to achieve the perfect fold.