

Moisture, damp fingers, oil, water, sweat or any other liquid that sticks could make the Touch ID confused and eventually the iPhone might refuse offering access. This isn’t really an Apple problem but issue with the user’s own practices or just the weather itself. On rainy or foggy days when the moisture indoors and outdoors varies a lot, the fingerprint sensor tends to impose trouble while unlocking an Apple device. The fingerprint enrollment doesn’t need to be as precise as something very serious, instead just hold the phone in a normal posture and put your thumb on the sensor multiple times until your iPhone notifies you about the completion of the enrollment process. When enrolling fingers to an iOS device with Touch ID sensor, put your thumb on the home button as you typically would while holding the phone in your palm. Many iPhone users don’t enroll their fingers properly, thus when it comes to actual usage of the Touch ID sensor it doesn’t seem to work.


Unable to Complete Touch ID Setup on iPhone Below are few reasons for why that might happen, and possible solutions to fix Touch ID not working iPhone issue. While Touch ID sensors actually do work great and ensures tightened security, they could stop working properly at times as well.
