Speakers
or rotate the phone 180 degrees to hold it with speakers up.
Notice navigation bar tint changes to magenta.
Now playback will be routed to speakers unless headphones are plugged in.
Note: rotation might be locked on the iOS device
Note: rotation might be locked on the iOS device
iPad: Understanding the side switch
http://support.apple.com/kb/HT4085iPhone X user please note that it does not support upsidedown orientation.