the underdisplay camera is a feature that is available in very few modern smartphones and this feature helps front cameras to produce images even after being behind the displays zte axon 20 5g was the firstever smartphone to come out with an undercamera display in 2020 in 2021 xiaomi mi mix 4 samsung galaxy z fold 3 and zte axon 30 were released with this feature here we will be discussing this new technology how it works and what has made it popularhow does the underdisplay camera technology workthe part of the display that goes over the camera is transparent and these devices need to have a displayinadisplay the primary display in these devices are made up of oled or led technology and the small cutout uses a different kind of glass that allows the camera under it to capture light these holes are usually visible during regular use even when the camera is turned off why is this technology so popularthe demand for an allscreen smartphone has increased in leaps and bounds in recent years consumers demanded the largestpossible screen real estate on their phones while being easy to hold for users the edge around the screens is free spaces that can be used for content so smartphone makers are trying hard to hide sensors and other parts that will be facing the userschallenges for producing allscreen devicessome manufacturers have tackled the allscreen affairs by flipping rotating or popup mechanisms all of these moving parts have a damage risk and are usually expensive to repair so none of these features was very popular among the masses these parts reduce internal space for batteries as they take up space inside the phone the motors needed to move these parts adds thickness and weight to the device the limitations of the moving surface also reduce the possible combinations of sensors and lenses that the maker can put on the phonechallenges faced for using an underdisplay camerait can pop out while bingewatching content or gaming in fullscreen mode and is usually described as a blurrier patch however smartphone brands are aiming to make them less obvious to the users eyes these holes become less noticeable as the screen gets brighter poor image quality has been the biggest challenge for the underdisplay camera feature it is difficult for the front camera sensor to get the best image quality as the light has to go through multiple layers of glass and is partly blocked by pixelssamsung tries to solve this issue in galaxy z fold 3 through software and ai processing this results in better images but it still doesnt solve the problem of image quality that users face while making video calls moreover the missing pixels needed to let light through the image sensor beneath the display are prominent oppo vivo and realme have either announced or demonstrated their prototype devices with underdisplay cameras but all three brands are yet to introduce them to the marketfuture of underdisplay camera tech major brands like