Samsung SM-S901B/DS User Manual page 187

Appendix
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 an earphone, 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 does not charge properly (For Samsung-approved
chargers)
• Ensure that the charger is connected properly.
• Visit a Samsung Service Centre and have the battery replaced.
The battery depletes faster than when first purchased
• When you expose the device or the battery to very cold or very hot temperatures, the
useful charge may be reduced.
• Battery consumption will increase when you use certain features or apps, such as GPS,
games, or the Internet.
• The battery is consumable and the useful charge will get shorter over time.
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