Apple phone charging navigation no sound can be analyzed in the following way:
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First, it may be due to the setting to turn off all sound options, it is recommended to set - (My device\/equipment) - Auxiliary function - (Listening) - Turn off all sounds and cancel the check mark through the phone.
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Second, check whether the phone is in the silent state, set - sound - volume, and try to turn up the volume.
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3. If it is invalid, please back up the data (contacts, multimedia files, etc.) in the phone and restore the phone to factory Settings.