Sign up for Amazon account, the phone can't receive the verification code.

Because the mobile phone system limits the notification of SMS. The solution is as follows:

1. First, open the settings indicated by the arrow on the mobile phone desktop.

2. After entering the settings page, click the notification and status bar indicated by the arrow.

3. After entering the notification management status bar interface, click Notification Management right above the interface.

4. On the subsequent page, click Info.

5. Next, click the license notice shown by the arrow.