Hi there! It sounds like you're having trouble logging into your myLIBRO app on your new phone because your PIN isn't working, even though your phone number hasn't changed. Let's see how we can get you back in smoothly.

First, just to clarify a couple of things:

1. Are you entering the same library card number and PIN that you used on your old phone?
2. Did you try using any default PIN options like the last four digits of your phone number or your birthday? Sometimes libraries set those as initial PINs.
3. Have you already tried resetting the PIN or contacting your library for a reset?

Once I have a bit more info, I can guide you through the best next steps. For now, here is a simple process you can try:

1. Verify your login details: Ensure that you are selecting the correct library in the app, then enter your library card number and your PIN exactly. The app won’t accept incorrect combinations.

2. Try default PINs: If you don’t remember changing your PIN, some libraries use simple defaults like the last 4 digits of your phone number or your birthdate. You can try those if you haven't.

3. Reset your PIN: If the above doesn’t work, your next option is to reset your PIN through your library. Most libraries allow you to reset your PIN through their website or by contacting them directly.

4. Reinstall the app: Occasionally, uninstalling and reinstalling the myLIBRO app on your new phone can help clear any cached data that might be causing login issues.

If none of these work, it could be that the PIN or account information didn’t transfer automatically, and you’ll need to reset or update your credentials with your library.

Would you like me to help you find the contact information for your library to request a PIN reset, or walk you through the reset process if available online? Also, let me know what you’ve tried so far!