DOWNLOADABLE APP FAQ How do I download F.N.B. Mobile Banking to my iPhone? When you sign up, you'll be sent a unique link to the App Store where you can download F.N.B. Direct just like any other app. After you download and install it, you'll get a text message with an activation link. Click the link to launch the application and go to the FNB Mobile Banking login page. When I click the link to download FNB Mobile Banking, nothing happens. What should I do? Every mobile device and mobile network is different, so you may not be able to download FNB Mobile Banking to your mobile device. If you're having trouble, contact your mobile service carrier to make sure your mobile device supports application downloads.