<s>
The	O
Xiaomi	O
Redmi	B-Application
1	I-Application
(	O
also	O
called	O
Hongmi	O
or	O
Red	O
Rice	O
)	O
is	O
a	O
smartphone	B-Application
released	O
in	O
July	O
2013	O
in	O
China	O
And	O
August	O
2013	O
in	O
Global	O
,	O
developed	O
by	O
the	O
Chinese	O
smartphone	B-Application
company	O
Xiaomi	O
Inc	O
.	O
</s>
<s>
It	O
is	O
the	O
first	O
product	O
of	O
the	O
Redmi	B-Application
series	O
of	O
smartphones	B-Application
.	O
</s>
<s>
It	O
came	O
with	O
a	O
4.7-inch	O
720x1080	O
IPS	B-Architecture
screen	I-Architecture
,	O
a	O
MediaTek	B-Architecture
MT6589T	O
Quad-core	O
1.5GHz	O
Cortex-A7	B-Application
processor	O
and	O
originally	O
run	O
Android	B-Application
4.2.2	I-Application
Jellybean	I-Application
with	O
the	O
MIUI	B-Protocol
v5	I-Protocol
user	O
interface	O
,	O
upgradeable	O
to	O
Android	B-Application
4.4.2	I-Application
Kitkat	I-Application
with	O
the	O
MIUI	B-Protocol
9	I-Protocol
user	O
interface	O
.	O
</s>
<s>
Noted	O
for	O
its	O
low	O
price	O
,	O
Redmi	B-Application
1	I-Application
was	O
an	O
extremely	O
popular	O
and	O
a	O
demanded	O
smartphone	B-Application
.	O
</s>
<s>
Xiaomi	O
opted	O
to	O
sell	O
the	O
smartphone	B-Application
online	O
in	O
order	O
to	O
comply	O
with	O
their	O
minimal	O
capital	O
input	O
.	O
</s>
<s>
The	O
Redmi	B-Application
1	I-Application
offers	O
Android	B-Application
4.2.2	I-Application
Jellybean	I-Application
with	O
the	O
MIUI	B-Protocol
v5	I-Protocol
user	O
interface	O
,	O
upgradeable	O
to	O
Android	B-Application
4.4.2	I-Application
Kitkat	I-Application
with	O
the	O
MIUI	B-Protocol
9	I-Protocol
user	O
interface	O
.	O
</s>
<s>
The	O
Redmi	B-Application
1	I-Application
has	O
a	O
plastic	O
chassis	O
that	O
is	O
long	O
,	O
wide	O
,	O
and	O
thick	O
,	O
and	O
weighs	O
.	O
</s>
<s>
The	O
screen	O
is	O
a	O
4.7-inch	O
IPS	B-Architecture
LCD	I-Architecture
capacitive	B-Device
touchscreen	B-Device
,	O
supporting	O
16-million	O
colors	O
at	O
a	O
resolution	O
of	O
1280	O
x	O
720	O
pixels	O
,	O
equating	O
to	O
around	O
312	O
pixel-per-inch	O
density	O
.	O
</s>
<s>
The	O
device	O
features	O
a	O
Mediatek	B-Architecture
MT6589T	O
which	O
comprises	O
1.5GHz	O
Cortex-A7	B-Application
quad-core	O
central	O
processing	O
unit	O
(	O
CPU	O
)	O
and	O
an	O
Imagination	O
Technologies	O
PowerVR	B-Device
SGX544MP	O
graphics	O
processing	O
unit	O
(	O
GPU	O
)	O
,	O
in	O
conjunction	O
with	O
an	O
accelerometer	O
,	O
gyroscope	O
,	O
compass	B-Language
and	O
a	O
proximity	B-Device
sensor	I-Device
.	O
</s>
<s>
The	O
device	O
is	O
also	O
equipped	O
with	O
1	O
GB	O
RAM	O
and	O
4	O
GB	O
internal	O
storage	O
,	O
supporting	O
microSD	B-Device
expansion	O
up	O
to	O
64	O
GB	O
.	O
</s>
<s>
The	O
rear	O
of	O
the	O
smartphone	B-Application
features	O
a	O
plain	O
plastic	O
surface	O
with	O
a	O
brushed	O
metal	O
Xiaomi	O
logo	O
at	O
the	O
center-bottom	O
of	O
the	O
rear	O
cover	O
.	O
</s>
<s>
The	O
smartphone	B-Application
is	O
shipped	O
with	O
a	O
1,000	O
mA	O
AC	O
power	O
charger	O
,	O
for	O
charging	O
its	O
2000/2	O
,	O
050	O
mAh( 	O
min/typ	O
)	O
battery	O
.	O
</s>
<s>
Xiaomi	B-Application
Redmi	I-Application
1S	I-Application
was	O
an	O
upgraded	O
successor	O
to	O
the	O
Redmi	B-Application
1	I-Application
,	O
which	O
was	O
announced	O
in	O
May	O
2014	O
.	O
</s>
