vivo X20 Plus UD goes through a scratch test – will that kill its fingerprint reader?

The vivo X20 Plus UD is the first phone to have a fingerprint reader under its display. But can this brand-new tech prove to be a week spot? Imagine for a second the scratches that accumulate on a phones display after a year or two of use. Will the reader stop working?

Well hand you over to JerryRigEverything and his traditional Mohs hardness test. The screens glass handles as expected, with light scratches at level 6 and deeper ones at level 7.