Samsung Galaxy S24 series mobile phone screens have problems again, users complained about 'graininess' and 'horizontal stripes'

According to news on February 13, Samsung’s latest Galaxy S24 series smartphones have screen problems, and many users have noticed some strange flaws.

According to Android Police, multiple Reddit users reported that the Galaxy S24’s screen has a strange “grainy” issue. In one post, the user asked if others had noticed graininess on the S24 display while viewing apps or other content with dark backgrounds. Users who participated in the poll said they noticed the issue on the S24 Plus, S24, and S24 Ultra. A user said that they also encountered this problem when trying out the S24 series display machine in the store. Another user said: "I do see some areas on the screen being darker gray than others, almost like a gradient. This issue shouldn't exist." In another Reddit thread, a user reported At low brightness, strange horizontal stripes appear on the S24 screen. The problem only occurs when the display shows a single color. Nick Sutrich of Android Central says the grainy issues reported by users may be due to a phenomenon called "mura" in the display. Simply put, “each pixel has difficulty maintaining the same brightness level as its surrounding pixels.” This problem often occurs with VR headsets, such as the PSVR 2. The Mura phenomenon is only visible when the Galaxy S24 display is below 10% brightness, and was also spotted by other users on Reddit. It was noted that the latest device to suffer from display Mura issues is the Google Pixel 2 XL and its LG panel. Sutrich found that all subpixels were affected by this "graininess," but red and blue pixels were more severely affected. It is currently generally believed that there may be a batch of defective Galaxy S24 display panels entering the market. Considering that the problem is hardware-related, some users tried to contact Samsung customer service and asked for a replacement display to solve the problem. According to Sutrich, Samsung may have yield issues with the new display panels it uses in its 2024 flagships. Android Central has contacted Samsung regarding the two display issues mentioned above, but has not received a response as of press time. It is worth mentioning that this is not the first time that Galaxy S24 screen problems have appeared. Previously, users have reported the problem of “color fading”. Compared to the Galaxy S23 series, the colors of the new series look pale and don't match the "vivid" display that users have come to expect. Samsung, while confirming that the S24's display tint profiles work as expected, will still make adjustments based on consumer preferences.

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