My S21 Ultra touch screen is randomly unresponsive. Sometimes it just a few seconds other times for minutes. Tried all the usual steps but nothing is working. I sent it back to Samsung for warranty repair but as expected they did absolutely nothing and just sent it back without repairing it. Apparently I'm making it up... Terrible experience by the way.
No screen protector, tried factory resetting it, enabled touch sensitivity, updated to the latest software, never been dropped, perfect condition, didn't get wet, etc. Anyone have advice what to try next?
Mine was doing the same, I was getting frustrated. While waiting I started playing with this ridge on the side of my phone, I was like what is that. Too tiny to pull with my fingers, so I gripped it with a pair of tweezers and it was a plastic cover around the edge of the phone. I believe this caused the phone to overheat, and now my keyboard doesn't freeze.
Please note US variants of the S21 series do not come with a pre-installed screen protector other than the flimsy scratch shield during shipping. If you have installed a new screen protector, you may want to verify it's installed correctly or compatible with your model as using the wrong type or having installed incorrectly can cause screen touch issues. Typically a "No defect Found" response from the service center means the issue was not happening at the time and any issue must be replicable in order to be fixed in service repairs.
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