We are almost forgetting about the OPPO Find series and that is because the company is yet to release a new model in recent times. The company may be working on a new spectacular design that would feature on the Find series. A newly published OPPO patent has been spotted by LetsGoDigital and it is of a phone with a four-sided curved edge design. 
The renders as visualized by LetsGoDigital reveals a display design with a beautiful 3D effect as a result of the 4-sided curvature. The phone design also includes an in-display light sensor. The concept renders look unbelievable but then, we recall the Mi Mix 4 has something almost similar. The design ensures it adopts a notch-less, bezel-less outlook. The device is said to come with a waterfall screen just like the Vivo NEX 3. Since there is no bezel at the top for the selfie camera, the device may likely use an under-display selfie camera.
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This isn’t the first time we are seeing a phone patent having a four-sided curved edge design. A Xiaomi patent for a smartphone with a 4-sided edge display was reported in February this year. Samsung also recorded a smartphone with a 3D curved display earlier this year. However, we are yet to see any device with the complete four sides curved. The Mi Mix Alpha comes close with its two-sided curved edge design as well as the NEX 3 and Mate 30.
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