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Why won't the speaker and mic work on the Nokia 720?

No sound such as ringtone or message tones and receiver cannot hear me when making a call.

All volume and speaker settings are set at full.

  • Nokia Lumia 720Nokia Lumia 720

Hmm.. In that case, I will suggest that you contact Nokia or go to an authorized service center and have experts check it. A hardware damage is probably causing that. Hope you get it fixed soon. Good luck!

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