Article ID : 00367096 / Last Modified : 02/17/2026

After switching between Classic Audio and LE Audio, my smartphone only connects to one earbud

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If you switch the Bluetooth connection from Classic Audio to LE Audio (Low Energy Audio) and only one earbud gets connected, remove (forget) the earbuds from your smartphone’s Bluetooth settings and pair the earbuds again.

When the headphones are connected via LE Audio, voice chat is heard only through the smartphone
When my device is connected to headphones using LE Audio, I can’t hear the ringtone or answer calls
The Bluetooth headphones (earbuds) volume does not increase or sync with the smartphone volume
While two devices are connected simultaneously with LE audio, I can’t connect to the paired device using the Sony | Sound Connect app
How to check which Bluetooth codec is being used to connect devices, such as smartphones

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After switching between Classic Audio and LE Audio, my smartphone only connects to one earbud

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