A display defect that has plagued smartphones from various brands is now being reported on Samsung's wearable devices.
Reddit user HKNworld shared images of a Galaxy Watch 4 showing a thin vertical green or white line on the right side of the screen, along with a dead pixel.
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The issue reportedly emerged shortly after installing the One UI 8 Watch update or a subsequent security patch.
Another Reddit post from about a week ago shows a Galaxy Fit 3, less than two years old, developing a similar green line.
While it is too early to determine the scale of the problem, the reports indicate it is not limited to a single model.
Similar to Phone Issues
The problem mirrors the green and pink lines that many Galaxy phone users experienced after major One UI updates.
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Those issues are often attributed to thermal stress during the update process straining AMOLED panels.
The Galaxy Watch 4, released in 2021, is now beyond its warranty period.
Although the defect is not yet widespread on wearables, its appearance on older models like the Watch 4 is concerning, especially given that model's history of other problems such as the Red Screen of Death.
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For most affected owners, screen repairs will likely be out-of-pocket, and Samsung may be hesitant to offer free repairs broadly to avoid setting a precedent.
This situation underscores ongoing challenges with Samsung's AMOLED technology across its product lineup.
Galaxy Watch 4 users facing the issue must decide whether to pay for a screen replacement or upgrade to a newer model like the Galaxy Watch 7 or 8 series.
Samsung has not made an official statement regarding the watch reports.
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If you encounter similar issues, it is advisable to document everything clearly before visiting an authorized service center.
