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Android Prepares an Undo Notification for Call Audio Switches [APK Teardown]

Android is preparing an Undo notification for call audio switches, with new system strings suggesting users could reverse a move to another device directly from the notification.

Android is preparing an Undo notification for call audio switches, with new system strings suggesting users could reverse a move to another device directly from the notification.

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What to know

  • Android is preparing a notification with an Undo action after call audio switches to another device.
  • Notification-based reversal already exists for Fast Pair audio switching; these strings specifically describe call audio routing.
  • We found the call-specific notification titles and Undo action in framework-res from Android beta dp11.261030.003.

When call audio moves to another device, a notification offering a way to reverse that change would put the fix within easy reach. Our teardown found new system strings that pair a message about the audio’s destination with an “Undo” action.

About APK teardowns — An APK teardown examines an app or system build for evidence of features still in development. That gives us a preview of what developers are preparing, but plans can change: a feature may depend on server-side controls, change before release, or never reach users.

A call-audio notification with a way back

The notification wording identifies what changed: your call audio switched devices. One title includes a placeholder for the destination device’s name, while another uses the generic wording “new device.” The accompanying Undo label points to an action for reversing the switch.

All four new resources explicitly name call audio routing, including the notification-channel label:

call_audio_routing_undo_title = "Call audio switched to %1$s"
call_audio_routing_undo_public_title = "Call audio switched to new device"
call_audio_routing_undo_action = "Undo"
notification_channel_call_audio_routing = "Call audio routing"

The broader capability is already public. Google’s [audio-switching announcement](https://blog.google/products-and-platforms/platforms/android/better-together-audio-switching/) describes a notification that lets you switch headphones back to their previous source device. That does not establish this specific notification for undoing an ongoing call’s output-route change. The new finding is the system wording explicitly pairing a call-audio switch with Undo.

If this reaches users, the notification would offer a direct way to put call audio back where you wanted it.


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