<s>
The	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
is	O
a	O
slate	O
,	O
multi-touch	O
smartphone	B-Application
running	O
the	O
Android	O
operating	O
system	O
.	O
</s>
<s>
The	O
Optimus	B-Application
4X	I-Application
HD	I-Application
was	O
the	O
world	O
's	O
first	O
smartphone	B-Application
announced	O
with	O
a	O
quad-core	B-Architecture
processor	I-Architecture
along	O
with	O
the	O
HTC	B-Application
One	I-Application
X	I-Application
and	O
the	O
Samsung	B-Application
Galaxy	I-Application
S3	I-Application
and	O
the	O
fourth	O
phone	O
in	O
the	O
LG	O
Optimus-Android	O
series	O
.	O
</s>
<s>
LG	O
first	O
introduced	O
the	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
at	O
Mobile	O
World	O
Congress	O
.	O
</s>
<s>
The	O
Optimus	B-Application
4X	I-Application
HD	I-Application
was	O
launched	O
with	O
Android	B-Application
4.0	I-Application
Ice	I-Application
Cream	I-Application
Sandwich	I-Application
.	O
</s>
<s>
The	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
is	O
the	O
first	O
phone	O
to	O
feature	O
Nvidia	O
's	O
Tegra	O
3	O
chip	O
offering	O
significant	O
mobile	O
gaming	O
performance	O
at	O
release	O
.	O
</s>
<s>
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
was	O
also	O
the	O
first	O
phone	O
announced	O
with	O
a	O
quad	B-Architecture
core	I-Architecture
processor	O
.	O
</s>
<s>
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
is	O
equipped	O
with	O
a	O
True	O
HD	O
IPS	B-Architecture
display	I-Architecture
with	O
Ultra	O
high	O
resolution	O
313PPI	O
,	O
packaged	O
in	O
an	O
8.9mm-thick	O
,	O
prism-edged	O
design	O
.	O
</s>
<s>
The	O
device	O
comes	O
in	O
black	O
and	O
white	O
The	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
also	O
includes	O
a	O
12-core	O
graphics	B-Architecture
processing	I-Architecture
unit	I-Architecture
.	O
</s>
<s>
The	O
phone	O
also	O
includes	O
a	O
Li-Ion	O
2150	O
mAh	O
battery	O
,	O
stand-by	O
up	O
to	O
730	O
h	O
(	O
2G	O
)	O
/	O
up	O
to	O
686	O
h	O
(	O
3G	B-Architecture
)	O
,	O
talk	O
time	O
up	O
to	O
9	O
h	O
20	O
min	O
(	O
2G	O
)	O
/	O
Up	O
to	O
10	O
hours	O
&	O
50	O
minutes	O
(	O
3G	B-Architecture
)	O
.	O
</s>
<s>
The	O
phone	O
has	O
an	O
unlockable	O
bootloader	O
,	O
which	O
allows	O
it	O
to	O
run	O
system	O
software	O
provided	O
not	O
only	O
by	O
LG	O
,	O
but	O
also	O
can	O
run	O
ROMs	O
like	O
CyanogenMod	B-Application
.	O
</s>
<s>
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
comes	O
with	O
Android	B-Application
4.0.3	I-Application
Ice	I-Application
Cream	I-Application
Sandwich	I-Application
customized	O
with	O
Optimus	B-Application
UI	I-Application
v3.0	O
and	O
is	O
upgradable	O
to	O
Android	B-Application
4.1.2	I-Application
Jelly	I-Application
Bean	I-Application
through	O
the	O
new	O
LG	O
PC	O
suite	O
.	O
</s>
<s>
It	O
includes	O
Bluetooth	B-Protocol
4.0	O
with	O
A2DP	O
,	O
LE	O
and	O
NFC	O
capability	O
on	O
the	O
handset	O
back	O
cover	O
.	O
</s>
<s>
It	O
has	O
built	O
in	O
software	O
features	O
such	O
as	O
:	O
SNS	O
integration	O
,	O
TV-out	O
player	O
,	O
MP3/WAV/WMA/eAAC	O
+	O
player	O
,	O
Organizer	O
,	O
Document	O
editor	O
,	O
Google	B-Application
Search	I-Application
,	O
Google	B-Application
Maps	I-Application
,	O
Gmail	B-Application
,	O
Voice	O
memo/dial/commands	O
and	O
other	O
integrated	O
features	O
.	O
</s>
<s>
The	O
browser	O
supports	O
HTML5	B-Application
and	O
Adobe	B-Operating_System
Flash	I-Operating_System
.	O
</s>
<s>
Alternatively	O
,	O
custom	O
after-market	O
ROMs	O
are	O
available	O
for	O
the	O
LG	B-Application
optimus	I-Application
4X	I-Application
HD	I-Application
(	O
LG	O
P880	O
)	O
.	O
</s>
<s>
CyanogenMod	B-Application
11	O
,	O
based	O
on	O
Google	B-Application
's	O
nexus-style	O
Android	B-Application
4.4	I-Application
KitKat	I-Application
,	O
is	O
already	O
available	O
for	O
the	O
phone	O
.	O
</s>
<s>
The	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
features	O
a	O
rectangular-based	O
design	O
with	O
two	O
chrome-like	O
side	O
trims	O
in	O
the	O
side	O
of	O
the	O
phone	O
(	O
they	O
look	O
like	O
2	O
metal	O
lines	O
)	O
.	O
</s>
<s>
The	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
has	O
very	O
narrow	O
side	O
bezel	O
,	O
and	O
includes	O
a	O
compact	O
chassis	O
.	O
</s>
<s>
The	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
has	O
a	O
removable	O
back	O
cover	O
to	O
replace	O
batteries	O
.	O
</s>
<s>
The	O
micro-USB	O
port	O
is	O
located	O
at	O
the	O
bottom	O
of	O
the	O
smartphone	B-Application
.	O
</s>
<s>
South	O
Korean	O
electronics	O
company	O
LG	O
introduced	O
6	O
new	O
smartphones	B-Application
with	O
new	O
and	O
improved	O
hardware	O
at	O
the	O
Mobile	O
World	O
Congress	O
in	O
2012	O
,	O
including	O
LG	O
's	O
then	O
flagship	O
phone	O
,	O
the	O
Optimus	B-Application
4X	I-Application
HD	I-Application
.	O
</s>
<s>
The	O
LG	B-Application
Optimus	I-Application
4X	I-Application
HD	I-Application
was	O
officially	O
launched	O
in	O
June	O
2012	O
.	O
</s>
