Since Xiaomi mix set off a trend of comprehensive screen design, various mobile phone manufacturers are striving to increase the proportion of screens. In the past four years, Liu Hai screen, water drop screen and hole digging screen have been popular in the market for a period of time. Even some manufacturers have tried lifting lens and double screen design to achieve true and comprehensive screen effect. However, according to the actual performance, there are some shortcomings in the above-mentioned designs. < / P > < p > of course, it is not without perfect full screen technology. As early as 2019, a number of manufacturers have demonstrated off screen lens technology. This technology will not affect the display of the mobile phone screen, nor damage the body mechanism, adding redundant hardware, which can be regarded as the best solution for a full screen mobile phone. Now, after more than a year of waiting, the world’s first mass-produced off screen camera phone has finally appeared. According to Ni Fei’s latest news, ZTE a205g will launch the off screen lens technology, and this “Erlang Shen” mobile phone has passed the certification of the Ministry of industry and information technology, although it will be put on file on September 1. But in fact, the appearance and configuration information of ZTE a205g mobile phone have been announced in advance. For consumers, whether they will start or not depends on the price. < / P > < p > because from the product point of view, although ZTE a205g mobile phone is the world’s first off screen lens technology, there are not many bright spots in this machine. Not surprisingly, ZTE’s a205g mobile phone adopts the vicino off screen lens scheme. ZTE itself has not established a technical barrier, which means that in the near future, other manufacturers will also launch mobile phones equipped with vicino off screen lens technology. < / P > < p > the model of ZTE a205g mobile phone processor has not been determined, but it is known that the main frequency of CPU is 2.4GHz, and there is no matching processor in the market at present. It is likely to be the first launch of a new generation of mid-range chips from Qualcomm. In addition, considering that the main frequency of the mobile phone is not high, users do not have to have high expectations for the performance of the mobile phone. The ZTE A20 is equipped with four imaging lenses. Except for the main camera pixel of 64 million, the other three lens head images are like the top products, and the pixels are not high. When the battery capacity of ZTE A20 is 4120 Ma, considering that ZTE has not developed super fast charging technology, users can not have too much expectation in terms of charging speed. < / P > < p > overall, ZTE A20 is a product with design selling point greater than hardware configuration. For this machine, how much will you consider to buy it? Let’s talk about your point of view. American companies begin to give up R & D: who should pay for corporate research?