The Blizzard Battle.net Mobile App requires at least Android® 5.0 or iOS® 9.0.
Troubleshooting steps to help you connect to the Battle.net desktop app.
What to do if you can't open the Battle.net desktop app, and there are no error messages when you try.
Troubleshooting steps for news and ads not appearing in the Battle.net App.
What to do if you receive this error on the mobile Battle.net app