Disable Camera iPhone 12

Hi m3ohn,

We appreciate you reaching out to us.

We’d like to gather additional details that may help us be in a better position to assist you.

Are you referring to the access feature to open the camera from the iPhone Lock Screen? Access features from the iPhone Lock Screen - Apple Support

If yes, the camera feature is one of the few features that you can't turn on or off the access to while your phone is locked.

"You can turn access on or off to the following features while iPhone is locked:

• Widgets (see Add widgets on iPhone)
• Notification Center (see Change notification settings on iPhone)
• Control Center (see Use and customize Control Center on iPhone)
• Siri (see Use Siri on iPhone)
• Replying to messages (see Send and reply to messages on iPhone)
• Home Control (see Intro to Home on iPhone)
• Wallet (see Add and use passes in Wallet on iPhone)
• Returning missed calls (see Answer or decline incoming calls on iPhone)
• Connecting to a Mac, a Windows PC, or an accessory with USB (such as when you connect iPhone to your computer using USB)"

You can use the article below as a reference.

Control access to information on the iPhone Lock Screen - Apple Support

We strive to bring the best personal computing experience to customers around the world through our innovative hardware, software and Internet offerings. We welcome your feedback on our products here: Product Feedback - Apple

Take care!