Loose Charging Port Galaxy S8. You can read a more specific guide here. Clean out charger port or you may end up having charging issues or loose cable connection.

After 3years of use i am still amazed at this phone. S8 Charger Port Is Bent. If the phone cannot be detected or wont charging whilst connected to the computer then move directly to the next step.
Replace the USB-C port if your device has problems charging.
So I tried to clean out the wax that was visible inside. Samsung Galaxy S8 Charge Port Repair If its not authorized its not fixed. There was gunk in the port that prevented even new cables from seating properly. So I tried to clean out the wax that was visible inside.

