On April 26, ZTE mobile phone official Weibo released a warm-up poster: "3+1>4", of which the number "1" is composed of dotted lines. Some netizens speculated that the poster implied that the ZTE Axon 40 series is three main cameras + one off-screen camera.
Previously, ZTE mobile phone spokesperson Wu Jing revealed that the ZTE Axon 40 series has two world premiere technologies, one of which is high-resolution off-screen camera technology.

ZTE Axon 40 Series
As we all know, at present, the under-screen camera technology has been mass-produced and commercialized, such as ZTE Axon 30 screen down version, ZTE A20 5G, Red Magic 7 Pro, etc. have used the off-screen camera solution, these mobile phones are FHD+ resolution.
Unlike these off-screen camera phones, the ZTE Axon 40 series has a higher screen resolution, which will be the industry's first high-resolution off-screen camera flagship.
It is worth noting that the high resolution here is not 2K resolution, but a custom resolution between 2K and 1080P, which is more delicate and better than the 1080P under-screen camera technology currently on the market, and the display effect is better, and the machine will be officially released in May.