I disabled the iPhone feature that unlocks my phone with my thumbprint and changed it to an alphanumeric password of 20 characters. That feature has always been

I disabled the iPhone feature that unlocks my phone with my thumbprint and changed it to an alphanumeric password of 20 characters. That feature has always been hit or miss for me anyway. Now it's harder for me to unlock my phone, which has a bonus side-effect of making me use it less often.