My Note 9 screen will stop responding when I am busy swiping through social media or even text messages. This only lasts for a few seconds. The screen becomes completely unresponsive for a few seconds. It will then start working again for less than a minute before it starts with the same issue.
I tried the volume down and power button restart option. I cleared my cache memory. Nothing works.
Just to clarify, did you wipe the cache partition on your device?
To wipe the device cache partition on the Note 9: