Unexpected volume changes when connecting to an iPhone

IMPORTANT: This article applies only to specific products and/or operating systems. Check Applicable Products and Categories for details.

Headphones volume may shift to the Ringer and Alerts volume level when:

•  the lock sound on the iPhone is played.
• a typing sound occurs using the iPhone keyboard.

You can solve this by disabling the Lock Sound and Keyboard clicks functions:

1. On the Home Screen, select Settings.
2. Select Sounds & Haptics.
3. Change the Lock Sound function and Keyboard Clicks function to OFF.