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smartphone compatibility

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Bottom USB-C port edge of a turned-off dark smartphone beside a black USB-C earbud plug and a white USB-C to 3.5mm adapter on a grey workbench mat

Smartphones By Samuel Carter Updated October 2026 15 min read

Using USB-C Headphones on Android: Digital Audio & DAC Checks

USB-C headphones stay silent when the adapter is analog-only. Use the AOSP digital-to-analog rules, then log playback, the microphone, buttons, and a blank call cell.

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