How to delete old trusted phone number on iPhone

When we use an Apple ID on an iPhone or other Apple device, we can set up "two-factor authentication" for it to provide an additional layer of security protection for the account and ensure that only you can access your account. . In this way, even if the Apple ID account password is accidentally leaked, others will not be able to log in and use this account.

How to change Apple ID trusted numbers?

A trusted number is a phone number that can receive a two-factor verification code via text message or automated voice call. If you have changed your mobile phone number, you need to change the trusted number as soon as possible.

Update your trusted phone number:

If you have changed your phone number, you can follow the steps below to update your trusted phone number:

1. Go to Apple official website Apple ID account page.

How to change Apple ID trusted numbers?

2. Log in with Apple ID.

3. Go to the Security section and tap Edit.

How to change Apple ID trusted numbers?

If you have only set up one trusted phone number before, you need to add a new phone number before you can remove the old phone number. Click Add a trusted phone number, then enter the phone number, choose whether to verify the number via text message or an automated voice call, then click Continue. To remove a trusted phone number, click next to the phone number you want to remove. How do I change the Apple ID trusted numbers? .

If you are inconvenient or unable to change the trusted phone number through the above methods, please contact Apple’s official customer service for help.

Tip: To use two-factor authentication, you need to register at least one trusted phone number to receive verification codes. In addition to verifying your own phone number, consider verifying a trusted phone number. If your iPhone is your only trusted device, you won't be able to receive the verification code needed to access your account if your iPhone is lost or stolen.