Find your Settings app on your iPhone and select it.
Scroll down your settings to find Face ID & Passcode. Select it.
Enter your 4-digit passcode that you use to alternatively unlock your iPhone. (You'll be using this again once you deactivate Face ID.)
Here you can select and deselect whether you want to use Face ID for:
- iPhone Unlock (to unlock your iPhone from its unlock screen)
- iTunes & App Store (for any purchases in iTunes or Apple App Store)
- Apple Pay (if you have Apple Pay set up, you can use Face ID to pay for certain items)
- Password Autofill (Face ID will be used to verify your identity to autofill passwords at various websites)
Choose which options you want to use Face ID and which you'd like to turn off.
Recently, I've been playing a lot of Diablo Immortal on my iPhone, which means tiny dungeons and tiny gameplay. While I love mobile gaming, sometimes it can cause eye strain.