The MBTA mTicket app is a mobile application for commuters using Massachusetts Bay Transportation Authority (MBTA) services. It allows users to buy and display tickets for train and bus rides directly on their smartphones, offering a convenient and paperless way to access public transportation without the need for physical tickets or cash.

To buy a ticket with the MBTA mTicket app, download and install the app on your Android or iOS device. After registering or logging in, go to the 'Buy Tickets' section. Choose your route and ticket type, then proceed with payment using a credit or debit card. Once purchased, tickets appear in the 'My Tickets' section of the app.

Yes, you can access and display tickets that you have already purchased even when offline. However, an internet connection is needed to buy new tickets or refresh content. It's advisable to purchase and download tickets before entering areas with limited connectivity to ensure seamless access.

Yes, the app uses industry-standard security measures, including encryption, to protect your personal and financial information. It does not store your credit card details on the device. For extra security, keep the app updated and avoid using public Wi-Fi networks during transactions.

If you face problems such as login issues or ticket purchase errors, first consult the app's FAQ or help section for troubleshooting tips. If the issue persists, contact MBTA customer support through the app or their official website, providing detailed information to facilitate faster resolution.