Hello! I understand you're having trouble with the verification code in the Air NZ app on your Samsung Galaxy A12. Let's work through this together.

Here are a few steps you can try:

1. Double-Check the Code: Ensure that you're entering the 6-digit verification code correctly. Sometimes it's easy to mistype a number, especially if you’re typing quickly.

2. Wait Before Resending the Code: If you've requested a new code several times in a short period, there might be a temporary lockout. Wait for about 10 minutes before trying again, as this sometimes helps resolve issues with the authentication process1.

3. Use an Authenticator App: If you're using an authenticator app for the code, try resyncing it. This can sometimes fix the issue if the time settings between your device and the app are not aligned properly1.

4. Clear App Cache: Go to your phone’s Settings > Apps > Air NZ app > Storage > Clear Cache. This can often resolve minor glitches.

5. Check Your SMS Settings: If the verification code is being sent via SMS, make sure that your messaging app is functioning properly. Try sending yourself a regular SMS to ensure that your phone can receive messages1.

6. Contact Support: If none of these steps work, you can reach out to the Air New Zealand support team at [email protected] for assistance. They can provide specific help related to your account and the app.

Would you like to go through any of these steps in detail?