Built-In Antenna; Plug-In Speaker - Samsung SGH-E820T Manual

Your phone

Built-in antenna

Your phone has a built-in antenna. As with other
mobile radio transmitting equipment, do not touch
the antenna unnecessarily when the phone is
switched on. Contact with the antenna affects call
quality and may cause the phone to operate at a
higher power level than needed.

Plug-in speaker

With the , you can hear louder sounds.
Plug-in speaker
To use it, take off the cover and then connect the
to the headset jack at the right side of
Plug-in speaker
the phone.
After using the Plug-in speaker, put the cover on it.
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