Disable two-factor authentication
Two-factor authentication is available to iCloud and iTunes users with at least one device that’s using the latest iOS or macOS. You can follow these steps on your iPhone, iPad, or iPod touch to Disable two-factor authentication.
Turn off two-factor authentication in Settings
If you’re using iOS 11 or later:
- Go to Settings > [your name] > Password & Security.
- Tap Turn off Two-Factor Authentication.
- Tap Continue.
If you’re using iOS 10.2 or earlier:
- Go to Settings > iCloud.
- Tap your Apple ID > Password & Security.
- Tap Turn off Two-Factor Authentication.
- Tap Continue.
Enter and verify your trusted phone number
Enter the phone number where you want to receive verification codes when you sign in. You can choose to receive the codes by text message or automated phone call. you can change your phone number and receive code from different devices.
Article Source : Apple
