<s>
The	O
Motorola	B-Application
Atrix	I-Application
4G	I-Application
(	O
also	O
known	O
as	O
the	O
MB860	B-Application
,	O
ME860	O
in	O
Asia	O
,	O
or	O
MB861	O
in	O
Korea	O
)	O
is	O
an	O
Android-based	O
smartphone	B-Application
developed	O
by	O
Motorola	O
,	O
introduced	O
at	O
CES	O
2011	O
along	O
with	O
the	O
Motorola	B-Application
Xoom	I-Application
,	O
Motorola	B-Application
Droid	I-Application
Bionic	I-Application
,	O
and	O
Motorola	O
Cliq	O
2	O
on	O
January	O
5	O
,	O
2011	O
.	O
</s>
<s>
The	O
Atrix	B-Application
4G	I-Application
uses	O
a	O
NVIDIA	B-Operating_System
Tegra	I-Operating_System
2	I-Operating_System
processor	O
,	O
and	O
was	O
the	O
first	O
smartphone	B-Application
with	O
a	O
dual-core	O
processor	O
,	O
1	O
gigabyte	O
of	O
RAM	B-Architecture
,	O
a	O
fingerprint	O
sensor	O
,	O
and	O
a	O
quarter-HD	O
PenTile	O
display	O
with	O
24-bit	O
graphics	O
.	O
</s>
<s>
The	O
Atrix	B-Application
4G	I-Application
was	O
one	O
of	O
the	O
first	O
Motorola	O
devices	O
to	O
ship	O
with	O
its	O
Webtop	O
platform	O
.	O
</s>
<s>
When	O
the	O
phone	O
is	O
placed	O
into	O
its	O
HD	O
Multimedia	O
Dock	O
or	O
Laptop	O
Dock	O
accessories	O
,	O
the	O
user	O
can	O
access	O
an	O
Ubuntu-based	O
desktop	O
featuring	O
access	O
to	O
the	O
phone	O
and	O
its	O
applications	O
via	O
the	O
Mobile	O
View	O
application	O
,	O
integration	O
of	O
Android	B-Application
notifications	O
into	O
the	O
desktop	O
,	O
multimedia	O
playback	O
through	O
Entertainment	O
Center	O
,	O
file	O
management	O
through	O
Nautilus	B-Language
,	O
and	O
the	O
Firefox	B-Application
web	I-Application
browser	I-Application
(	O
along	O
with	O
support	O
for	O
Prism	B-Language
for	O
the	O
site-specific	B-Protocol
browsers	I-Protocol
used	O
on	O
Webtop	O
mode	O
)	O
.	O
</s>
<s>
In	O
September	O
2011	O
,	O
Motorola	O
released	O
the	O
source	O
code	O
of	O
the	O
Webtop	O
software	O
on	O
SourceForge	B-Application
.	O
</s>
<s>
On	O
April	O
30	O
,	O
2011	O
AT&T	O
issued	O
an	O
update	O
to	O
the	O
Motorola	B-Application
Atrix	I-Application
4G	I-Application
enabling	O
HSUPA	O
.	O
</s>
<s>
On	O
July	O
25	O
,	O
2011	O
AT&T	O
began	O
rolling	O
out	O
the	O
Android	B-Application
2.3.4	O
update	O
to	O
the	O
AT&	O
T-branded	O
Atrix	B-Application
4G	I-Application
.	O
</s>
<s>
On	O
February	O
8	O
,	O
2012	O
Motorola	O
sent	O
out	O
Android	B-Application
2.3.6	O
to	O
1000	O
phones	O
for	O
market	O
testing	O
.	O
</s>
<s>
On	O
February	O
15	O
,	O
2012	O
,	O
Motorola	O
announced	O
that	O
an	O
upgrade	O
to	O
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
(	O
ICS	O
)	O
would	O
be	O
available	O
in	O
Q3	O
2012	O
.	O
</s>
<s>
On	O
September	O
28	O
,	O
2012	O
,	O
Motorola	O
announced	O
that	O
they	O
would	O
not	O
upgrade	O
the	O
Atrix	B-Application
4G	I-Application
to	O
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
(	O
ICS	O
)	O
as	O
they	O
had	O
promised	O
,	O
prompting	O
customer	O
outrage	O
.	O
</s>
<s>
In	O
June	O
2011	O
Motorola	O
and	O
Sprint	O
announced	O
the	O
release	O
on	O
July	O
31	O
of	O
the	O
Motorola	B-Application
Photon	I-Application
4G	I-Application
,	O
which	O
has	O
a	O
quarter-HD	O
multi-touch	B-Application
display	O
and	O
a	O
1GHz	O
dual-core	O
NVIDIA	B-Operating_System
Tegra	I-Operating_System
2	I-Operating_System
processor	O
.	O
</s>
<s>
It	O
has	O
an	O
8-megapixel	O
rear-facing	O
camera	O
with	O
720p	O
recording	O
capabilities	O
,	O
a	O
VGA	B-Protocol
front-facing	O
camera	O
for	O
video	O
chat	O
and	O
self-portrait	O
pictures	O
,	O
and	O
the	O
Sprint	O
ID	O
customization	O
app	O
.	O
</s>
<s>
The	O
Atrix	B-Application
4G	I-Application
received	O
largely	O
positive	O
reviews	O
from	O
critics	O
.	O
</s>
<s>
Engadget	B-Application
gave	O
the	O
Atrix	B-Application
4G	I-Application
a	O
9	O
out	O
of	O
10	O
,	O
commenting	O
on	O
its	O
sound	O
quality	O
and	O
high-resolution	O
display	O
.	O
</s>
<s>
It	O
won	O
the	O
CNET	O
Best	O
of	O
CES	O
2011	O
Award	O
in	O
the	O
Smartphone	B-Application
category	O
,	O
the	O
CTIA	O
Emerging	O
Technology	O
(	O
E-Tech	O
)	O
award	O
,	O
and	O
several	O
other	O
awards	O
.	O
</s>
<s>
When	O
the	O
Atrix	O
was	O
shipped	O
to	O
AT&T	O
,	O
root	B-Application
access	I-Application
was	O
available	O
,	O
but	O
Motorola	O
locked	O
the	O
bootloader	O
by	O
request	O
of	O
AT&T	O
,	O
meaning	O
that	O
custom	O
versions	O
of	O
Android	B-Application
(	O
ROMs	O
)	O
were	O
not	O
able	O
to	O
be	O
installed	O
.	O
</s>
<s>
Only	O
pseudo-roms	O
(	O
Not	O
fully	O
modified	O
versions	O
of	O
Android	B-Application
)	O
were	O
available	O
,	O
since	O
the	O
kernel	O
could	O
not	O
be	O
overwritten	O
.	O
</s>
<s>
People	O
began	O
to	O
create	O
custom	O
ROMs	O
for	O
the	O
phone	O
,	O
and	O
eventually	O
it	O
gained	O
official	O
CyanogenMod	B-Application
7	O
support	O
.	O
</s>
<s>
However	O
,	O
CyanogenMod	B-Application
support	O
was	O
more	O
difficult	O
to	O
gain	O
than	O
for	O
other	O
phones	O
because	O
the	O
Atrix	O
shipped	O
with	O
uncommon	O
features	O
,	O
such	O
as	O
WebTop	O
support	O
and	O
a	O
fingerprint	O
reader	O
.	O
</s>
<s>
After	O
CyanogenMod	B-Application
7	O
was	O
finished	O
,	O
Motorola	O
's	O
support	O
pages	O
stated	O
that	O
the	O
latest	O
version	O
(	O
at	O
the	O
time	O
)	O
of	O
Android	B-Application
,	O
4.0	O
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
(	O
ICS	O
)	O
,	O
would	O
be	O
released	O
to	O
the	O
phone	O
.	O
</s>
<s>
This	O
would	O
be	O
important	O
for	O
the	O
development	O
of	O
CyanogenMod	B-Application
9	O
,	O
since	O
the	O
existing	O
kernel	O
of	O
the	O
Atrix	O
(	O
based	O
on	O
Linux	O
2.6	O
)	O
was	O
incompatible	O
with	O
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
drivers	O
.	O
</s>
<s>
Though	O
ROMs	O
based	O
on	O
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
could	O
still	O
be	O
used	O
,	O
important	O
features	O
such	O
as	O
hardware	O
acceleration	O
did	O
not	O
work	O
.	O
</s>
<s>
In	O
August	O
2014	O
,	O
a	O
release	O
of	O
CyanogenMod	B-Application
11	O
(	O
based	O
on	O
Android	B-Application
4.4	O
"	O
KitKat	O
"	O
)	O
was	O
made	O
available	O
.	O
</s>
<s>
The	O
Motorola	B-Application
Atrix	I-Application
2	I-Application
was	O
released	O
in	O
late	O
2011	O
for	O
AT&T	O
.	O
</s>
