Why does my Apple phone need SMS verification?

This is because of the limitation of ios security mechanism, so SMS verification is needed. In addition to reducing the code that attackers may use, it can also provide convenience for attackers during and after vulnerability attacks. But if you don't like this trouble, you can solve it by doing the following:

1. Find the settings on the phone desktop and open them.

2. Open the App Store in Settings?

3. Click the Apple ID, set it up, and then click Next.

4. Turn to the bottom to view the Apple ID account, and then select "View Apple ID- Payment Information".

5. Please select "None" in the bank card selection interface to solve this problem.