<s>
Xiaomi	B-Application
Redmi	I-Application
2	I-Application
is	O
a	O
smartphone	B-Application
produced	O
by	O
Xiaomi	O
released	O
in	O
January	O
2015	O
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
to	O
the	O
Xiaomi	O
Redmi	B-Application
1	I-Application
family	O
.	O
</s>
<s>
The	O
Redmi	O
2/Prime	O
comes	O
preinstalled	O
with	O
Android	B-Application
4.4	I-Application
KitKat	I-Application
with	O
the	O
proprietary	O
MIUI	B-Protocol
6	I-Protocol
custom	O
graphical	O
user	O
interface	O
,	O
it	O
can	O
be	O
upgraded	O
to	O
MIUI	B-Protocol
9	O
based	O
on	O
Android	O
4.4	O
KitKat(for Redmi 2 )	O
and	O
Android	O
5.1	O
Lollipop(for Redmi 2 Prime )	O
via	O
OTA	O
.	O
</s>
<s>
The	O
Redmi	B-Application
2	I-Application
comes	O
with	O
a	O
factory-unlocked	O
bootloader	O
,	O
allowing	O
users	O
to	O
"	B-Application
root	I-Application
"	I-Application
the	O
device	O
and	O
install	O
custom	O
firmware	O
.	O
</s>
<s>
The	O
software-development	O
community	O
has	O
released	O
custom	O
ROMs	O
and	O
kernels	B-Operating_System
for	O
the	O
phone	O
,	O
even	O
though	O
the	O
official	O
kernel	B-Operating_System
sources	O
from	O
Xiaomi	O
were	O
only	O
released	O
a	O
year	O
after	O
launch	O
.	O
</s>
<s>
The	O
Redmi	B-Application
2	I-Application
has	O
achieved	O
unofficial	O
stable	O
builds	O
of	O
CyanogenMod	B-Application
11	O
(	O
based	O
on	O
Android	B-Application
4.4	I-Application
)	O
,	O
12.1	O
(	O
Android	O
5.1	O
)	O
and	O
official	O
nightly	O
builds	O
of	O
CyanogenMod	B-Application
13.0	O
(	O
Android	B-Application
6.0.1	I-Application
)	O
and	O
CyanogenMod	B-Application
14.1	O
(	O
Android	B-Application
7.1.1	I-Application
)	O
.	O
</s>
<s>
Development	O
of	O
the	O
latter	O
version	O
is	O
continued	O
in	O
the	O
LineageOS	B-Application
project	O
after	O
CyanogenMod	B-Application
's	O
discontinuation	O
.	O
</s>
<s>
From	O
LineageOS	B-Application
builds	O
Redmi	B-Application
2	I-Application
is	O
currently	O
getting	O
official	O
nightly	O
builds	O
of	O
LineageOS	B-Application
17.1	O
(	O
Based	O
on	O
Android	B-Application
10	I-Application
)	O
.	O
</s>
<s>
Redmi	B-Application
2	I-Application
has	O
also	O
achieved	O
official	O
stable	O
builds	O
of	O
Resurrection	B-Application
Remix	I-Application
(	O
based	O
on	O
Android	B-Application
7.1.2	I-Application
,	O
Android	B-Application
8.1	I-Application
)	O
,	O
official	O
nightly	O
builds	O
of	O
AOKP	B-Application
(	O
based	O
on	O
Android	B-Application
8.1	I-Application
)	O
,	O
official	O
stable	O
builds	O
of	O
MoKee	O
6	O
(	O
based	O
on	O
Android	B-Application
6.0.1	I-Application
)	O
,	O
MoKee	O
7	O
(	O
based	O
on	O
Android	B-Application
7.1.2	I-Application
)	O
,	O
MoKee	O
8	O
(	O
based	O
on	O
Android	B-Application
8.1	I-Application
)	O
,	O
official	O
nightly	O
builds	O
of	O
MoKee	O
9	O
(	O
based	O
on	O
Android	B-Application
9.0.0	I-Application
)	O
and	O
official	O
builds	O
of	O
Mokee	O
10	O
(	O
based	O
on	O
Android	B-Application
10	I-Application
)	O
.	O
</s>
<s>
The	O
Redmi	B-Application
2	I-Application
is	O
powered	O
by	O
a	O
1.2GHz	O
Snapdragon	O
410	O
SoC	B-Architecture
with	O
Adreno	B-General_Concept
306	I-General_Concept
graphics	O
engine	O
.	O
</s>
<s>
The	O
Redmi	B-Application
2S	I-Application
,	O
also	O
called	O
Redmi	B-Application
2	I-Application
Enhanced	O
or	O
Prime	O
(	O
depending	O
on	O
locale	O
)	O
,	O
has	O
2GB	O
of	O
RAM	O
and	O
16GB	O
of	O
storage	O
.	O
</s>
<s>
The	O
display	O
is	O
a	O
4.7	O
inch	O
IPS	B-Architecture
panel	I-Architecture
with	O
touch	O
capabilities	O
,	O
1280x720	O
resolution	O
at	O
a	O
density	O
of	O
312	O
ppi	O
with	O
scratch-resistant	O
AGC	O
Dragontrail	O
glass	O
.	O
</s>
<s>
Redmi	B-Application
2	I-Application
was	O
updated	O
with	O
two	O
models	O
,	O
namely	O
Redmi	B-Application
2	I-Application
Prime	O
(	O
India	O
)	O
and	O
Redmi	B-Application
2	I-Application
Enhanced	O
(	O
China	O
)	O
,	O
with	O
2	O
GB	O
of	O
RAM	O
and	O
16	O
GB	O
of	O
storage	O
,	O
twice	O
that	O
of	O
the	O
standard	O
model	O
.	O
</s>
<s>
There	O
were	O
several	O
variants	O
of	O
the	O
standard	O
and	O
upgraded	O
model	O
for	O
different	O
markets	O
,	O
with	O
varying	O
baseband	B-Algorithm
support	O
.	O
</s>
<s>
The	O
Xiaomi	B-Application
Redmi	I-Application
3	I-Application
was	O
announced	O
in	O
January	O
2016	O
as	O
a	O
successor	O
to	O
the	O
Xiaomi	B-Application
Redmi	I-Application
2	I-Application
.	O
</s>
