If you haven’t done so yet, register for a banking account online at Discover.com/register-account. You can then download Discover Mobile through your device’s app store or by texting APP to 20877 (message and data rates may apply). Finally, open the Discover Mobile app on your device and enter your banking account user ID and password to log in.

Upcoming maintenance starts Sept 20 at 10 p.m. CT
Most features will be unavailable online, in the mobile app and by phone. Debit card transactions may be declined. Maintenance ends on Sept 21 at 5 a.m.