Can’t download truist mobile app

Is the app compatible with IOS 9?

See the Apple Support article(s) below. 

Apps won’t downloaded.  *

App Store, iTunes Store, or other Apple services - If you can't connect   *

Some things you can try. Do you have access to another WiFi network where you can try? That has worked for several people.

Try a restart.

Restart your iPhone, iPad, or iPod touch    *

Try a forced restart.

Reset Device. -