A. 1. Check your phone number: Ensure that the phone number you provided is correct and in the right format. 2. Resend the verification code: If you haven't received the code, tap 'Resend Code' on the verification screen. 3. Wait a few minutes: Sometimes, there can be a delay in receiving the code. Wait a few minutes before trying again.

B. 4. Check your SMS settings: Ensure that your device can receive SMS messages and that there are no blocks on your number.