:confused: Touch screen/Multitouch issues

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Senior Member
Apr 23, 2011
Hi all

I know there have been some other threads with touch screen issues, but I'll say from the start I don't have any Bixby remapper or anything similar.

I bought an Samsung Galaxy S8+ (G955FD) a bit over a month ago. Though it was purchased via eBay, it came completely sealed and brand new. I have started recently (last 3 weeks or so) some weird touch screen issues. Mostly when pinch-to-zoom, long-presses or even regular scrolling through a feed (especially when doing it slower). Below are a bunch of examples showing the behavior and I've been wondering whether anyone else experiences anything like this, or I should definitely RMA it? I've done a few factory resets and the issue has not been fixed.

PS: I am currently in discussions with the seller since it was posted with 1 year warranty, but it seems it's going to take me forever to get it fixed or replaced besides I'm afraid they will say "no issues found".

1. https://photos.app.goo.gl/LQTRjhKyvl5kNbGE3 (inserted text can't be deleting by holding backspace on the keyboard, it does not register properly the finger)
2. https://photos.app.goo.gl/uZXROqvufOdn2GzY2 (long pressing on icons in the default Launcher opens app instead of popping out menu)
3. https://photos.app.goo.gl/L3F0ZfPozdBrnBPD3 (continuous scrolling issues shown via app called Screen Touch Test)
4. https://photos.app.goo.gl/5vHf7qbyGucOuEf52 (app called Phone Check and Test fails the Touch Screen test in about 90% of the cases)
5. https://photos.app.goo.gl/Obqxf3m5dSUt6COS2 (multitouch and pinch to zoom tests via Multitouch Vis Test app)
6. https://photos.app.goo.gl/5iKm7NIUGAAAkqax2 (pinch to zoom issues in stock Gallery app)
https://photos.app.goo.gl/m7kNGijuDyDFWhZ13 (pinch to zoom issues in stock Gallery app)
7. https://photos.app.goo.gl/XGo5vSbowvs16gR52 (video from the Gesture Identifier / SingleTap being recorded when I actually do a LongPress on the display, as well as the scrolling issues where instead of a steady "scroll" the software confirms there are multiple random entries.
8. https://photos.app.goo.gl/CS9oKPLrx6f76tlF3 (real case from scrolling through Facebook. Slower scrolling is stuttering and causing opening random posts/links. See 0:14, 0:30, 0:44)