The advancements in display technology have eliminated the need for a special mode for when you have gloves on. To increase touch sensitivity of the screen follow the below steps.

Galaxy Note 5 S6 S7 Touch Screen Over Or Under Sensitive Problem Fixed
Screen sensitivity note 9. The screen sensitivity feature is a default factory function on the galaxy note 9. Using screen protectors could affect the sensitivity of the screen and may not recognise touches properly. Now there is no option or a specific way to adjust screen sensitivity but we will be showing you some tips and trick to achieve the same feat and make your samsung galaxy note 9 screen more responsive. It is important that the screen sensitivity level is at the perfect level. The fact of the matter is that using a screen that actively responds to your touch every time is not as easy as it sounds. Launch settings and enter the advanced features menu.
This is usually the case with all screen sensitivity issues on most touchscreen smartphones. The sensitivity of the screen has to be set to the right level based on a users preference. Launch the settings app and tap on advanced features touch sensitivity. Just like any other device with a touchscreen your galaxy note 9 makes use of the screen sensitivity function. Take off the case. Merely using a screen that responds to your touch is not enough in todays world of smartphones.
The galaxy note 9 touch sensitivity setting is more for improving the sensitivity so that theres no lag in the input when the user has a screen protector on the device. Screen sensitivity is an integral part of the user experience on the samsung galaxy note 9.