Summary created by Smart Answers AI
In summary:
- Tech Advisor reports that Samsung Galaxy S23, S23+, and S23 Ultra users are experiencing issues with the display of green or pink lines after installing the One UI 8.5 update.
- The issue affects multiple S23 models without prior physical damage, and Samsung’s warranty coverage may be limited due to three-year limitations.
- Users should delay installing One UI 8.5 to avoid this recurring display bug that previously affected other Galaxy models after software updates.
An issue plaguing Samsung phones seems to have reared its ugly head again, this time with the Galaxy S23.
In May, we reported on numerous complaints from Samsung customers about a bug that caused a permanent green line across the height of their Galaxy phone’s screen.
The issue surfaced on a number of devices after the April security patch. Now it looks like it’s back with a vengeance.
Chris Martin
Several recent online reports complain of a green line bug specifically affecting the 2023 Galaxy S23, Galaxy S23+, and Galaxy S23 Ultra after installing the One UI 8.5 update.
According to Samsung forum user rapheal29, a green vertical line appeared on their handset during normal use after the recent software update. They claim there has been “no physical damage, drop, water exposure, or impact to the device.”
Visual material is provided:

rapheal29
Feeling a little green (or pink).
Other users report a variation of the problem, with a pink line instead of the green one.
Reports appear to have been spread across various forums and platforms, including Reddit and X, and appear to involve multiple Galaxy S23 series handsets.
One X user reports the problem with his Samsung Galaxy S23 Ultra. Again, the device in question reportedly suffered no damage prior to the update.
As Android Authority notes, the problem with the Samsung Galaxy S23 series is that Samsung’s offer for a free screen replacement is only valid within three years of purchase. Anyone who bought their phone within four months of the Galaxy S23 series release date (February 17, 2023) is out of luck and may have to pay for the repair out of pocket.
Previous Green Line bug reports have pointed to a common factor in many cases: an overheating Galaxy handset. This has led to advice (unofficial, we hasten to add) that includes waiting until nighttime to update and making sure the phone isn’t plugged in when you’re using it.
Considering the widespread and repeated green line bug, we recommend that you wait to install the One UI 8.5 on your Galaxy phone. It might save you a lot of hassle.
Looking further ahead, One UI 9 (based on Android 17) is expected to debut in July on the Galaxy Z Fold 8 series (including brand new wide model) and Z Flip 8 series.










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