<s>
Samsung	B-Application
Galaxy	I-Application
S	I-Application
Duos	I-Application
also	O
known	O
as	O
GT-S7562	B-Application
is	O
a	O
dual	O
SIM	O
smartphone	B-Application
,	O
designed	O
and	O
marketed	O
by	O
Samsung	B-Application
Electronics	O
.	O
</s>
<s>
In	O
contrast	O
with	O
other	O
dual	O
sim	O
Samsung	B-Application
models	O
,	O
this	O
phone	O
is	O
a	O
part	O
of	O
the	O
high-end	O
"	O
S	O
"	O
series	O
,	O
this	O
is	O
why	O
it	O
is	O
marketed	O
as	O
a	O
part	O
of	O
the	O
"''	O
Galaxy	O
S''	O
family	O
.	O
</s>
<s>
The	O
phone	O
also	O
comes	O
with	O
Android	B-Application
4.0.4	I-Application
Ice	I-Application
Cream	I-Application
Sandwich	I-Application
,	O
along	O
with	O
Samsung	B-Application
's	O
proprietary	O
Touchwiz	B-Application
interface	O
.	O
</s>
<s>
Unlike	O
entry-level	O
dual	O
SIM	O
models	O
from	O
Samsung	B-Application
,	O
the	O
Galaxy	B-Application
S	I-Application
Duos	I-Application
is	O
active	O
on	O
both	O
SIMs	O
all	O
the	O
time	O
so	O
it	O
is	O
ready	O
to	O
receive	O
calls	O
on	O
either	O
SIM	O
when	O
a	O
call	O
is	O
not	O
already	O
in	O
progress	O
.	O
</s>
<s>
A	O
limitation	O
of	O
the	O
Galaxy	B-Application
S	I-Application
Duos	I-Application
is	O
that	O
only	O
one	O
SIM	O
can	O
be	O
active	O
on	O
UMTS	B-Protocol
(	O
and	O
therefore	O
data	O
)	O
at	O
a	O
time	O
and	O
so	O
it	O
may	O
be	O
unsuitable	O
for	O
certain	O
combinations	O
of	O
networks	O
.	O
</s>
<s>
China	O
Unicom	O
offers	O
the	O
Galaxy	B-Application
S	I-Application
Duos	I-Application
as	O
the	O
GT-S7562i	O
,	O
which	O
is	O
essentially	O
the	O
same	O
phone	O
as	O
the	O
international	O
version	O
,	O
and	O
a	O
variant	O
called	O
the	O
GT-S7562C	O
which	O
omits	O
the	O
proximity	O
sensor	O
.	O
</s>
<s>
Android	B-Application
4.0.4	I-Application
Ice	I-Application
Cream	I-Application
Sandwich	I-Application
.	O
</s>
<s>
100.8mm	O
(	O
4.0	O
"	O
)	O
WVGA	O
TFT	O
LCD	B-Device
display	I-Device
.	O
</s>
<s>
5MP	O
AF	O
with	O
Flash	O
+	O
VGA	B-Protocol
.	O
</s>
<s>
3.5mm	O
jack	O
headphones	B-Device
.	O
</s>
