<s>
The	O
Nexus	B-Device
9	I-Device
(	O
codenamed	O
Volantis	O
or	O
Flounder	O
)	O
is	O
a	O
tablet	B-Device
computer	I-Device
co-developed	O
by	O
Google	B-Application
and	O
HTC	B-Application
that	O
runs	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
It	O
is	O
the	O
fourth	O
tablet	B-Device
in	O
the	B-Application
Google	I-Application
Nexus	B-Device
series	I-Device
,	O
a	O
family	O
of	O
Android	B-Application
consumer	O
devices	O
marketed	O
by	O
Google	B-Application
and	O
built	O
by	O
an	O
OEM	O
partner	O
.	O
</s>
<s>
Along	O
with	O
the	O
Nexus	B-Device
6	I-Device
mobile	O
phone	O
and	O
Nexus	B-Device
Player	I-Device
digital	O
media	O
device	O
,	O
the	O
Nexus	B-Device
9	I-Device
launched	O
with	O
5.0	B-Application
Lollipop	I-Application
,	O
which	O
offered	O
several	O
new	O
features	O
,	O
notably	O
a	O
modified	O
visual	O
appearance	O
,	O
and	O
the	O
complete	O
replacement	O
of	O
the	O
Dalvik	B-Application
virtual	I-Application
machine	I-Application
with	O
ART	B-Application
.	O
</s>
<s>
Google	B-Application
has	O
included	O
an	O
additional	O
step	O
to	O
"	O
Enable	O
OEM	O
unlock	O
"	O
before	O
users	O
can	O
unlock	O
the	O
Nexus	B-Device
9	I-Device
bootloader	B-Operating_System
.	O
</s>
<s>
The	O
Nexus	B-Device
9	I-Device
was	O
announced	O
on	O
15	O
October	O
2014	O
,	O
with	O
pre-orders	O
available	O
on	O
17	O
October	O
and	O
was	O
released	O
on	O
3	O
November	O
2014	O
.	O
</s>
<s>
The	O
Nexus	B-Device
9	I-Device
tablet	B-Device
features	O
an	O
8.9-inch	O
IPS	B-Architecture
LCD	I-Architecture
display	O
with	O
a	O
1536x2048	O
resolution	O
and	O
Corning	O
Gorilla	O
Glass	O
3	O
.	O
</s>
<s>
It	O
runs	O
the	O
NVIDIA	O
Tegra	O
K1	O
processor	O
and	O
has	O
2GB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
The	O
Nexus	B-Device
9	I-Device
originally	O
featured	O
Android	B-Application
5.0	I-Application
Lollipop	I-Application
.	O
</s>
<s>
In	O
December	O
2014	O
,	O
the	O
Android	B-Application
5.0.1	I-Application
Lollipop	B-Application
was	O
released	O
for	O
the	O
Nexus	B-Device
9	I-Device
.	O
</s>
<s>
Android	B-Application
5.0.2	I-Application
Lollipop	B-Application
was	O
released	O
for	O
the	O
device	O
a	O
few	O
months	O
later	O
,	O
in	O
May	O
2015	O
.	O
</s>
<s>
Later	O
that	O
month	O
,	O
Android	B-Application
5.1.1	I-Application
Lollipop	B-Application
was	O
released	O
for	O
the	O
Nexus	B-Device
9	I-Device
as	O
well	O
.	O
</s>
<s>
Google	B-Application
released	O
the	O
Android	B-Application
6.0	I-Application
Marshmallow	I-Application
update	O
for	O
the	O
Nexus	B-Device
9	I-Device
in	O
October	O
2015	O
.	O
</s>
<s>
In	O
December	O
2015	O
,	O
the	O
Android	B-Application
6.0.1	I-Application
Marshmallow	B-Application
was	O
released	O
for	O
the	O
Nexus	B-Device
9	I-Device
,	O
among	O
other	O
devices	O
.	O
</s>
<s>
On	O
August	O
22	O
,	O
2016	O
,	O
Google	B-Application
released	O
the	O
Android	B-Application
7.0	I-Application
Nougat	I-Application
update	O
for	O
the	O
Nexus	B-Device
9	I-Device
,	O
as	O
well	O
as	O
several	O
other	O
devices	O
.	O
</s>
<s>
In	O
January	O
2017	O
,	O
Google	B-Application
announced	O
that	O
the	O
Nexus	B-Device
9	I-Device
,	O
along	O
with	O
the	O
Nexus	B-Device
6	I-Device
,	O
wo	O
n't	O
receive	O
the	O
7.1.2	O
Nougat	B-Application
update	O
,	O
making	O
7.1.1	O
the	O
last	O
major	O
software	O
update	O
from	O
Google	B-Application
themselves	O
.	O
</s>
