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Why You Should Wait Before Installing One UI 8.5 on Your Samsung Galaxy Phone

Published

2 hours ago

June 16, 2026

BTI Team

Summary created by Smart Answers AI

In summary:

Tech Advisor reports that Samsung Galaxy S23, S23+, and S23 Ultra users are facing issues with green or pink lines on the display after updating to One UI 8.5.
This problem is affecting multiple S23 models without any prior physical damage, and Samsung’s warranty coverage may be limited due to three-year restrictions.
To avoid the recurring display bug that has previously impacted other Galaxy models after software updates, users are advised to postpone installing One UI 8.5.

A recurring issue affecting Samsung phones has resurfaced with the Galaxy S23, involving a persistent green line on the display.

Earlier this year, numerous Samsung customers reported a bug causing a green line to appear on their Galaxy phone’s screen, following the April security patch.

This issue, which emerged across various devices after the April security update, seems to have returned with the Galaxy S23.

Chris Martin

Recent online reports highlight a recurring green line issue specifically impacting the 2023 Galaxy S23, S23+, and S23 Ultra models after the One UI 8.5 update.

One Samsung forum user, rapheal29, shared that a green vertical line appeared on their device following the software update, with no history of physical damage to the handset.

Visual evidence of the issue is provided:

rapheal29

Feeling a little green (or pink)

Additional users have reported a similar issue, with some experiencing a pink line instead of green.

Complaints have emerged on various platforms, including Reddit and X, involving multiple Galaxy S23-series devices.

One X user detailed the green line problem on their Samsung Galaxy S23 Ultra, emphasizing the absence of any pre-existing damage before the software update.

Tweet 1/4

My Samsung S23 Ultra suddenly developed a green line on the display yesterday, just days after installing the latest One UI update. The device has never been dropped, has no physical damage, and has been used with extreme care. @SamsungIndia pic.twitter.com/SRm0M3UeHw

— αмιтн ηαяαуαηαη ✮ (@Dr_Amith) June 6, 2026

Android Authority highlights that Samsung’s offer of a free screen replacement is valid only within three years of purchase, leaving those who bought their phone within four months of the Galaxy S23 series’ release date in need of out-of-pocket repairs.

Prior reports of the green line bug have linked it to overheating Galaxy devices, leading to unofficial advice suggesting updating at night and avoiding charging during use to prevent the issue.

Considering the recurrent green line problem, it’s advisable to postpone the installation of One UI 8.5 on your Galaxy phone to avoid potential inconvenience.

Looking ahead, the debut of One UI 9 (based on Android 17) is anticipated on the Galaxy Z Fold 8 series (including a new wide model) and Z Flip 8 series in July.