Galaxy S23 users see green/pink lines after One UI 8.5

A growing number of Samsung Galaxy S23 owners are reporting the sudden appearance of permanent green or pink vertical lines on their phone displays immediately after installing the recent One UI 8.5 software update. The issue, which has sparked widespread concern across online forums, appears to affect the base Galaxy S23 and the S23 Ultra models, with users consistently stating their devices had no prior physical damage.

Reports have accumulated over recent days on platforms including Samsung's official community forum, Reddit, and X. Users describe the lines appearing shortly after installing the stable version of One UI 8.5, which Samsung began rolling out globally in May. The update introduced new Android features and Galaxy AI capabilities. One user on Samsung's forum reported a green line appeared following the update during normal usage, emphasizing the phone had not been dropped, exposed to water, or impacted. Similar accounts have been shared by Galaxy S23 Ultra owners on social media, some posting photographic evidence of the defect.

This is not a new phenomenon for Samsung devices; similar "green line" issues have affected various Galaxy models following major...