iPhone 7 doesn't recognize my fingerprint

[David Vỹ]

My iPhone 7 Touch ID doesn't recognize my fingerprint when there's a little bit of oil on it. I have too clean my fingers and the home button super clean for it to recognizes. When it's clean, it recognizes my fingerprint immediately. But with just a fraction of oil from my finger, it just says "Try again". My 6s doesn't have this problem. Even my fingers are little wet or dirty, it still recognizes my fingerprint really fast.

Can anyone help me about this problem?

Thanks! ?

 

[chabig]

Delete the existing fingerprint and retrain it with the oily finger.

 

[David Vỹ]

Thanks for your reply. I’ve already tried this earlier but it doesn’t work. After reading your reply, I tried it again and it works perfectly ?. Thanks for that.