<s>
The	O
Nook	B-Application
Color	I-Application
is	O
a	O
tablet	O
computer/e	O
-reader	O
that	O
was	O
marketed	O
by	O
Barnes	O
&	O
Noble	O
.	O
</s>
<s>
A	O
tablet	B-Device
with	O
multitouch	B-Application
touchscreen	O
input	O
,	O
it	O
is	O
the	O
first	O
device	O
in	O
the	O
Nook	B-Application
line	O
to	O
feature	O
a	O
full-color	O
screen	O
.	O
</s>
<s>
A	O
limited	O
number	O
of	O
the	O
children	O
's	O
books	O
available	O
for	O
the	O
Nook	B-Application
Color	I-Application
include	O
interactive	O
animations	O
and	O
the	O
option	O
to	O
have	O
a	O
professional	O
voice	O
actor	O
read	O
the	O
story	O
.	O
</s>
<s>
Nook	B-Application
Color	I-Application
became	O
available	O
at	O
the	O
introductory	O
price	O
of	O
US$249	O
.	O
</s>
<s>
In	O
December	O
2011	O
,	O
with	O
the	O
release	O
of	O
the	O
Nook	B-Application
Tablet	I-Application
,	O
it	O
lowered	O
to	O
US$169	O
.	O
</s>
<s>
The	O
tablet	B-Device
ran	O
on	O
Android	B-Application
.	O
</s>
<s>
As	O
of	O
December	O
2012	O
,	O
Barnes	O
and	O
Noble	O
discontinued	O
the	O
Nook	B-Application
Color	I-Application
in	O
favor	O
of	O
the	O
Nook	B-Application
HD	I-Application
and	O
Nook	B-Application
HD+	I-Application
.	O
</s>
<s>
The	O
Nook	B-Application
color	I-Application
has	O
a	O
1024x600	O
resolution	O
multi-touch	B-Application
touchscreen	O
LCD	O
display	O
,	O
presenting	O
a	O
very	O
vivid	O
image	O
,	O
as	O
opposed	O
to	O
the	O
original	O
Nook	B-Application
's	O
secondary	O
touchscreen	O
.	O
</s>
<s>
It	O
does	O
not	O
feature	O
an	O
electronic	O
paper	O
display	O
,	O
making	O
it	O
a	O
tablet	B-Device
computer	I-Device
and	O
an	O
e-reader	O
.	O
</s>
<s>
The	O
Nook	B-Application
Color	I-Application
allows	O
installing	O
applications	O
approved	O
by	O
Barnes	O
&	O
Noble	O
,	O
with	O
the	O
company	O
planning	O
to	O
provide	O
tools	O
for	O
third-party	O
software	O
developers	O
and	O
an	O
app	B-Application
store	I-Application
.	O
</s>
<s>
Applications	O
pre-loaded	O
on	O
the	O
Nook	B-Application
Color	I-Application
include	O
Chess	O
,	O
Sudoku	O
,	O
crossword	B-Application
puzzles	I-Application
,	O
Pandora	B-Application
Radio	I-Application
,	O
and	O
a	O
media	O
gallery	O
for	O
viewing	O
pictures	O
and	O
video	O
.	O
</s>
<s>
As	O
with	O
the	O
prior	O
Nook	B-Application
,	O
the	O
Nook	B-Application
Color	I-Application
provides	O
a	O
"	O
LendMe	O
"	O
feature	O
allowing	O
users	O
to	O
share	O
some	O
books	O
with	O
other	O
people	O
depending	O
upon	O
licensing	O
by	O
the	O
book	O
's	O
publisher	O
.	O
</s>
<s>
The	O
other	O
users	O
may	O
view	O
the	O
borrowed	O
book	O
using	O
a	O
Nook	B-Application
,	O
Nook	B-Application
Color	I-Application
,	O
or	O
Barnes	O
&	O
Noble	O
's	O
free	O
reader	O
software	O
on	O
any	O
other	O
device	O
running	O
iOS	B-Application
(	O
iPhone	B-Device
,	O
iPod	B-Device
Touch	I-Device
,	O
iPad	B-Device
)	O
,	O
BlackBerry	B-Application
OS	I-Application
,	O
Windows	O
,	O
Mac	B-Operating_System
OS	I-Operating_System
X	I-Operating_System
,	O
or	O
Android	B-Application
.	O
</s>
<s>
Adobe	O
Digital	O
Editions	O
installed	O
on	O
Laptops	O
paired	O
to	O
the	O
Nook	B-Application
Color	I-Application
enables	O
downloads	O
from	O
public	O
libraries	O
(	O
epub	O
)	O
.	O
</s>
<s>
The	O
Share	O
feature	O
on	O
the	O
Nook	B-Application
is	O
only	O
accessible	O
to	O
a	O
small	O
percentage	O
of	O
books	O
purchased	O
from	O
B&N	O
.	O
</s>
<s>
The	O
Nook	B-Application
works	O
better	O
and	O
easier	O
with	O
purchased	O
publications	O
from	O
B&N	O
than	O
other	O
sources	O
with	O
its	O
easier	O
access	O
.	O
</s>
<s>
The	O
Nook	B-Application
Color	I-Application
uses	O
a	O
Texas	O
Instruments	O
ARM	B-Application
Cortex-A8	I-Application
processor	O
running	O
at	O
800MHz	O
.	O
</s>
<s>
As	O
with	O
the	O
original	O
Nook	B-Application
,	O
microSD	O
and	O
microSDHC	O
memory	O
cards	O
can	O
be	O
inserted	O
to	O
expand	O
the	O
Nook	B-Application
Color	I-Application
's	O
memory	O
up	O
to	O
32GB	O
.	O
</s>
<s>
Although	O
Barnes	O
&	O
Noble	O
's	O
official	O
position	O
is	O
that	O
the	O
Nook	B-Application
Color	I-Application
's	O
rechargeable	O
battery	O
is	O
not	O
user-replaceable	O
,	O
replacement	O
instructions	O
and	O
aftermarket	O
batteries	O
are	O
widely	O
available	O
.	O
</s>
<s>
VividView	B-General_Concept
technology	O
is	O
used	O
to	O
enhance	O
image	O
quality	O
when	O
viewing	O
in	O
direct	O
sunlight	O
.	O
</s>
<s>
Supported	O
file	O
formats	O
include	O
EPUB	O
(	O
DRM	O
and	O
non-DRM	O
)	O
,	O
PDF	B-Application
,	O
Microsoft	O
Office	O
formats	O
(	O
DOC	B-Operating_System
,	O
DOCX	B-Operating_System
,	O
XLS	B-Application
,	O
PPT	B-Application
,	O
etc	O
.	O
</s>
<s>
)	O
,	O
TXT	B-General_Concept
,	O
JPEG	O
,	O
GIF	O
,	O
PNG	O
,	O
BMP	B-Device
,	O
MP3	B-Application
,	O
AAC	B-Application
,	O
and	O
MP4	O
.	O
</s>
<s>
A	O
firmware	O
update	O
released	O
25	O
April	O
2011	O
added	O
an	O
app	B-Application
store	I-Application
,	O
email	O
client	O
,	O
Flash	B-Operating_System
support	O
within	O
the	O
web	O
browser	O
,	O
social	O
networking	O
tools	O
,	O
video	O
and	O
audio	O
embedded	O
within	O
books	O
,	O
and	O
performance	O
improvements	O
.	O
</s>
<s>
It	O
also	O
has	O
been	O
discovered	O
that	O
the	O
device	O
has	O
hidden	O
Bluetooth	B-Protocol
connectivity	O
abilities	O
in	O
its	O
wireless	O
chipset	O
,	O
available	O
only	O
after	O
rooting	B-Application
,	O
or	O
flashing	O
a	O
device	O
to	O
the	O
CyanogenMod	B-Application
7	O
version	O
of	O
Android	B-Application
for	O
this	O
device	O
.	O
</s>
<s>
When	O
the	O
Nook	B-Application
Color	I-Application
and	O
Tablet	B-Device
were	O
first	O
offered	O
,	O
users	O
could	O
install	O
third-party	O
apps	O
.	O
</s>
<s>
However	O
,	O
days	O
before	O
Christmas	O
2011	O
,	O
the	O
forced	O
over-the-air	O
"	O
firmware	O
update	O
from	O
Barnes	O
&	O
Noble	O
for	O
the	O
Nook	B-Application
Tablet	I-Application
and	O
Nook	B-Application
Color	I-Application
–	O
1.4.1	O
–	O
close[d]	O
the	O
loophole	O
that	O
allowed	O
users	O
to	O
sideload	B-Protocol
any	O
Android	B-Application
app	O
and	O
also	O
 [ broke ] 	O
root	O
for	O
those	O
who'[d]	O
gone	O
that	O
extra	O
step	O
to	O
customize	O
the	O
device.	O
"	O
</s>
<s>
Since	O
launch	O
,	O
Nook	B-Application
Color	I-Application
received	O
generally	O
positive	O
reviews	O
,	O
with	O
PC	O
Magazine	O
declaring	O
"	O
Nook	B-Application
Color	I-Application
makes	O
a	O
perfectly	O
amiable	O
reading	O
companion	O
if	O
you	O
want	O
to	O
see	O
your	O
books	O
in	O
full	O
color	O
"	O
,	O
while	O
Engadget	B-Application
says	O
"	O
if	O
you	O
're	O
a	O
hardcore	O
reader	O
with	O
an	O
appetite	O
that	O
extends	O
beyond	O
books	O
to	O
magazines	O
and	O
newspapers	O
,	O
the	O
Color	O
is	O
the	O
first	O
viable	O
option	O
we	O
've	O
seen	O
that	O
can	O
support	O
your	O
habit	O
"	O
.	O
</s>
<s>
In	O
late	O
March	O
2011	O
,	O
it	O
was	O
reported	O
that	O
the	O
Nook	B-Application
Color	I-Application
had	O
sold	O
close	O
to	O
3	O
million	O
units	O
since	O
its	O
launch	O
.	O
</s>
<s>
As	O
an	O
Android	B-Application
device	O
,	O
the	O
Nook	B-Application
Color	I-Application
can	O
be	O
modified	O
to	O
run	O
most	O
Android	B-Application
applications	I-Application
.	O
</s>
<s>
One	O
common	O
method	O
that	O
unlocks	O
this	O
function	O
is	O
rooting	B-Application
,	O
which	O
grants	O
users	O
root	B-Application
access	I-Application
to	O
the	O
Nook	B-Application
Color	I-Application
's	O
file	O
system	O
.	O
</s>
<s>
In	O
addition	O
to	O
rooting	B-Application
the	O
stock	O
operating	O
system	O
,	O
complete	O
versions	O
of	O
Android	B-Application
are	O
available	O
that	O
can	O
replace	O
the	O
stock	O
firmware	O
and	O
provide	O
functions	O
similar	O
to	O
other	O
Android	B-Application
devices	O
.	O
</s>
<s>
Android	B-Application
versions	O
2.2	O
(	O
Froyo	B-Application
)	O
2.3	O
(	O
Gingerbread	B-Application
)	O
,	O
4.0	O
(	O
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
)	O
,	O
and	O
4.1-4.3	O
(	O
Jelly	B-Application
Bean	I-Application
)	O
have	O
all	O
been	O
fully	O
ported	O
to	O
the	O
Nook	B-Application
Color	I-Application
and	O
are	O
available	O
as	O
free	O
downloads	O
.	O
</s>
<s>
KitKat	B-Application
(	O
4.4	O
)	O
is	O
actively	O
being	O
ported	O
,	O
with	O
a	O
few	O
known	O
issues	O
.	O
</s>
<s>
Perhaps	O
the	O
most	O
popular	O
such	O
replacement	O
is	O
CyanogenMod	B-Application
10	O
,	O
an	O
enhanced	O
version	O
of	O
Android	B-Application
4.1	I-Application
(	O
Jelly	B-Application
Bean	I-Application
)	O
,	O
which	O
,	O
as	O
of	O
September	O
2013	O
,	O
has	O
over	O
55,000	O
reported	O
installations	O
on	O
the	O
Nook	B-Application
Color	I-Application
(	O
codenamed	O
"	O
encore	O
"	O
)	O
.	O
</s>
<s>
CyanogenMod	B-Application
is	O
a	O
community-developed	O
firmware	O
replacement	O
that	O
can	O
be	O
downloaded	O
for	O
free	O
.	O
</s>
<s>
Neither	O
replacing	O
the	O
stock	O
operating	O
system	O
nor	O
running	O
the	O
operating	O
system	O
from	O
a	O
microSD	O
card	O
requires	O
rooting	B-Application
.	O
</s>
<s>
Many	O
people	O
have	O
reported	O
that	O
KitKat	B-Application
(	O
CyanogenMod	B-Application
11	O
)	O
runs	O
with	O
less	O
lag	O
than	O
CM10	O
.	O
</s>
<s>
The	O
original	O
Nook	B-Application
used	O
a	O
standard	O
Micro	O
USB	B-Protocol
connection	O
for	O
both	O
battery	O
charging	O
and	O
PC	O
connectivity	O
.	O
</s>
<s>
The	O
Nook	B-Application
Color	I-Application
uses	O
a	O
modified	O
connector	O
with	O
two	O
depths	O
.	O
</s>
<s>
The	O
first	O
depth	O
is	O
compatible	O
with	O
Micro	O
USB	B-Protocol
(	O
5-conductor	O
)	O
,	O
while	O
the	O
second	O
depth	O
has	O
12	O
conductors	O
.	O
</s>
<s>
This	O
change	O
was	O
made	O
to	O
increase	O
the	O
amount	O
of	O
power	O
available	O
to	O
charge	O
the	O
larger	O
battery	O
of	O
the	O
Nook	B-Application
Color	I-Application
when	O
using	O
the	O
included	O
cable	O
at	O
1.9A	O
as	O
opposed	O
to	O
the	O
0.5A	O
limit	O
of	O
standard	O
USB	B-Protocol
connections	O
.	O
</s>
<s>
Because	O
of	O
this	O
,	O
the	O
USB	B-Protocol
cable	O
included	O
with	O
the	O
Nook	B-Application
Color	I-Application
is	O
physically	O
incompatible	O
with	O
other	O
devices	O
employing	O
standard	O
micro-USB	O
connectors	O
.	O
</s>
<s>
However	O
,	O
the	O
Nook	B-Application
Color	I-Application
itself	O
is	O
physically	O
compatible	O
with	O
standard	O
micro-USB	O
cords	O
and	O
will	O
still	O
charge	O
at	O
a	O
slower	O
rate	O
on	O
such	O
cords	O
.	O
</s>
