Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality.
The steps to unlock vivo Y12 with Google Find My Device is: Step 1: Go to from any computer or other phone and sign in with the Gmail id you have logged into your phone.
Unlock vivo Y12 by Answering Google Security Questions If you have set any security questions in your Gmail account, you also can unlock vivo Y12 to answer those questions.
Before doing a factory reset we recommend you delete all the accounts on the device, specifically it is useful to if you are going to sell, donate or give away your Y12.