See also:

Disposing of old batteries
Have old batteries disposed of by your service center or bring them to a recycling center. Maintain the battery in an upright position for transport and storage. Secure the battery so that ...

Contacts
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Switching the microphone to mute
When a call is active, the microphone can be muted. 1. "Telephone". 2. "Active calls". 3. "Microphone mute" A microphone that has been switched to mute is automa ...