Samsung Galaxy S7 SM-G930F Calls are not connected, The battery icon is empty, Sound echoes during a call, Others cannot hear you speaking on a call

Appendix

Calls are not connected

•Ensure that you have accessed the right cellular network.

•Ensure that you have not set call barring for the phone number you are dialling.

•Ensure that you have not set call barring for the incoming phone number.

Others cannot hear you speaking on a call

•Ensure that you are not covering the built-in microphone.

•Ensure that the microphone is close to your mouth.

•If using a headset, ensure that it is properly connected.

Sound echoes during a call

Adjust the volume by pressing the Volume key or move to another area.

A cellular network or the Internet is often disconnected or audio quality is poor

•Ensure that you are not blocking the device’s internal antenna.

•When you are in areas with weak signals or poor reception, you may lose reception. You may have connectivity problems due to issues with the service provider’s base station. Move to another area and try again.

•When using the device while moving, wireless network services may be disabled due to issues with the service provider’s network.

The battery icon is empty

Your battery is low. Charge the battery.

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