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■ Turn your device on or off
To turn your phone on or off, press
and hold the End/Power key for at
least 3 seconds.
■ Antenna
Your device may have
internal and external
antennas. As with any radio
transmitting device, avoid
touching the antenna area
unnecessarily while the
antenna is transmitting or
receiving. Contact with such
an antenna affects the
communication quality and
may cause the device to operate at a higher power level
than otherwise needed and may reduce the battery life.