Home Mobile Tutorial Mobile News Samsung S21 series overturned after update: green line appeared on the screen

Samsung S21 series overturned after update: green line appeared on the screen

Apr 18, 2024 pm 07:58 PM
arrangement Fast technology

News on April 18, according to media reports, some Samsung users reported screen green line issues after a software update, which affected the Galaxy S21, Galaxy S21 FE, Galaxy S21 Ultra and other models.

According to user feedback, a thin green line appears on the phone screen after the update, extending from the top to the bottom.

Samsung S21 series overturned after update: green line appeared on the screen

There are two explanations for this problem. One is that there is a hardware defect in the Samsung screen, and the other is that the phone overheated during the update process, causing the cable to be arranged. Desolder the screen solder joint.

As a well-known fact, OLED screens are composed of pixels. Unlike LCDs, OLEDs actively emit light and do not require a backlight. Each pixel can emit light independently.

Each pixel of OLED has an independent control circuit, which is used to control the on and off state of each pixel, or adjust its brightness to display images and information on the screen.

Due to the arrangement characteristics of OLED, there is a possibility of bad pixels and bad lines on the mobile phone screen. When these problems occur, the screen will appear in red, green, blue and other line colors.

In response to the green line problem that occurred this time, users need to replace the screen through Samsung after-sales service. Currently, Samsung has not responded to this issue.

Samsung S21 series overturned after update: green line appeared on the screen

Samsung S21 series overturned after update: green line appeared on the screen

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