Q:"How to add a new Face ID on my iPhone 11? I want to share my device with my girlfriend." - from iPhone Forum
Face ID, a facial recognition system developed by Apple, is first introduced to iPhone X in 2017. Since then, the follow-up iPhones including iPhone X/XR/XS/XS Max/11/11 Pro/11 Pro Max and even iPad Pro (3rd generation) are designed with safer and faster Face ID as the unlocking system instead of Touch ID.
For this new feature, many users have a query that they wonder if Apple allows a second Face ID to be added for sharing the device with trusted friends. On this question, the following gives detailed reply and explains how to do it on the iPhone.
Part 1. Something Worthy of Attention about Face ID
Part 2. How to Add a New Face ID on the Same iPhone
Part 3. How to Add a New Face without Passcode
Through the above, presumably everyone knows that adding a new Face ID in "Settings" needs to type the iPhone screen passcode for authentication. Based on this, consider a scenario in which you feel like adding a second Face ID on your iPhone but forget the passcode for authentication. In this case, you must remove the forgotten passcode if you intend to set up a new Face ID.
How to delete forgotten passcode on an iPhone. Here, the best method is suggested to you. That is to make use of a mind-blowing unlocking program named Joyoshare iPasscode Unlocker. Such a tool is specially designed for iOS passcode removing on many necessary occasions, like forgetting passcode, iPhone is locked, etc. More impressively, it has the capability to professionally deal with 4 kinds of screen locks covering 4-digit/6-digit passcodes, Touch ID, and Face ID.
Key Features of Joyoshare iPasscode Unlocker:
Applied to many different situations
Remove passcode from iPhone with ease
Suitable for both Windows and Mac operating system
Compatible with nearly all iOS device models and iOS 13