Disabling the Mature Filter in the Battle.net App

Battle.net Desktop App

1. Click on the Battle.net logo on the top left of the Battle.net app
2. Click Settings
3. Click on Friends & Chat
4. Uncheck Filter mature language from chat
5. Click Done

Battle.net Mobile App

1. Open the Blizzard App
2. Select My Profile
3. Click the Settings button (cogwheel icon)
4. Select App Settings
5. Untoggle the Filter Mature Language option