This Samsung Galaxy S8 / S8 Plus headphone jack flex is used to replace your damaged audio jack flex.
You may find there is no sound sent into your ear while plug in the headphone.
If there is nothing wrong with your headphone after check, you should consider a new replacement of the headphone jack for your Samsung Galaxy S8 Plus.
This Samsung Galaxy S8 / S8 Plus audio jack replacement part has wonderful conductivity.
It will fit your Samsung Galaxy S8 / S8 Plus very well.
Checked before shipping.