![Samsung SM-F900U User Manual Download Page 133](http://html1.mh-extra.com/html/samsung/sm-f900u/sm-f900u_user-manual_4750801133.webp)
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Calls are not connected
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Others cannot hear you speaking on a call
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Sound echoes during a call
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A cellular network or the Internet is often disconnected or audio
quality is poor
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The battery icon is empty
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The battery does not charge properly (For Samsung-approved
chargers)
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