In order to update your phone number, ensure that you’re logged into your Petro Buyer app;

1. Open the Petro  Buyer app and tap the "Settings” icon in the Menu bar

2. Tap “ Account Settings“. This will take you to the Petro website 

3. Enter the desired phone number in the space provided and tap save to confirm this change.

Please ensure that you've entered your new phone number correctly as you will receive a verification code through the number that grants you access to your account .