A user said "Is someone suffering from a problem with the screen?". "The bottom of the screen sometimes stops working and does not respond to touch."
"I had the same problem but I set up the phone from scratch," one forum moderator replied.
The S9 uses a screen measuring 9: 5.8 inches of Super AMOLED.
The company announced its S9 and S9 Plus in late February 2018 and unveiled features such as the advanced camera capable of slowly filming video, as well as voice features, anti-sun screen, dust and water resistance.