<s>
The	O
Sony	B-Application
Xperia	I-Application
X	I-Application
is	O
an	O
Android	B-Application
smartphone	B-Application
produced	O
by	O
Sony	O
.	O
</s>
<s>
Part	O
of	O
the	O
Sony	B-Application
Xperia	I-Application
X	I-Application
series	O
,	O
the	O
device	O
was	O
unveiled	O
along	O
with	O
the	O
Sony	B-Application
Xperia	I-Application
XA	I-Application
and	O
Sony	B-Application
Xperia	I-Application
X	I-Application
Performance	I-Application
at	O
MWC	O
2016	O
on	O
February	O
22	O
,	O
2016	O
.	O
</s>
<s>
The	O
Sony	B-Application
Xperia	I-Application
X	I-Application
series	O
will	O
replace	O
the	O
former	O
Sony	B-Application
Xperia	I-Application
Z	I-Application
series	I-Application
,	O
as	O
confirmed	O
by	O
Sony	O
Mobile	O
's	O
senior	O
product	O
marketing	O
manager	O
Jun	O
Makino	O
in	O
February	O
2016	O
.	O
</s>
<s>
At	O
the	O
2017	O
Investor	O
Day	O
event	O
,	O
Sony	O
announced	O
it	O
would	O
be	O
dropping	O
its	O
"	O
premium	O
standard	O
"	O
phones	O
(	O
one	O
step	O
below	O
the	O
flagship	O
premium	O
models	O
)	O
,	O
including	O
the	O
Xperia	B-Application
X	I-Application
and	O
X	B-Application
Compact	I-Application
.	O
</s>
<s>
The	O
flagship	O
X	O
Performance	O
and	O
XZ	B-Application
phones	O
will	O
continue	O
,	O
as	O
well	O
as	O
the	O
XA1	B-Application
,	O
XA1	B-Application
Ultra	O
,	O
and	O
the	O
upcoming	O
XZ1	O
and	O
XZ1	O
Compact	O
.	O
</s>
<s>
The	O
device	O
features	O
a	O
1080p	O
screen	O
and	O
a	O
64-bit	B-Device
1.8GHz	O
hexa-core	B-Architecture
Qualcomm	B-Architecture
Snapdragon	I-Architecture
650	O
system-on-chip	O
with	O
3GB	O
of	O
RAM	O
.	O
</s>
<s>
The	O
rear-facing	O
camera	O
of	O
the	O
Xperia	B-Application
X	I-Application
is	O
23	O
megapixels	O
with	O
a	O
sensor	O
size	O
of	O
1/2.3	O
inch	O
and	O
an	O
aperture	O
of	O
f/2.0	O
,	O
featuring	O
a	O
Sony	O
Exmor	O
RS	O
image	B-Algorithm
sensor	I-Algorithm
with	O
quick	O
launch	O
and	O
predictive	O
hybrid	O
autofocus	O
that	O
utilizes	O
phase	O
detection	O
autofocus	O
that	O
can	O
focus	O
on	O
the	O
object	O
within	O
0.03	O
seconds	O
.	O
</s>
<s>
The	O
Xperia	B-Application
X	I-Application
is	O
preinstalled	O
with	O
Android	B-Application
6.0.1	I-Application
Marshmallow	I-Application
with	O
Sony	O
's	O
custom	O
interface	O
and	O
software	O
.	O
</s>
<s>
On	O
August	O
23	O
,	O
2016	O
,	O
Sony	O
announced	O
that	O
the	O
Xperia	B-Application
X	I-Application
would	O
receive	O
an	O
upgrade	O
to	O
Android	B-Application
7.1.1	I-Application
Nougat	I-Application
.	O
</s>
<s>
On	O
December	O
19	O
,	O
2016	O
,	O
the	O
Android	B-Application
7.0	I-Application
Nougat	B-Application
update	O
for	O
the	O
Xperia	B-Application
X	I-Application
has	O
officially	O
rolled	O
out	O
.	O
</s>
<s>
In	O
June	O
2017	O
,	O
Sony	O
released	O
Android	B-Application
7.1.1	I-Application
Nougat	I-Application
for	O
the	O
Xperia	B-Application
X	I-Application
.	O
Sailfish	B-Operating_System
OS	I-Operating_System
,	O
announced	O
to	O
proceed	O
to	O
community	O
beta	O
phase	O
during	O
July	O
2017	O
,	O
has	O
been	O
released	O
,	O
and	O
is	O
available	O
in	O
select	O
countries	O
since	O
October	O
11	O
,	O
2017	O
.	O
</s>
<s>
On	O
6	O
February	O
2018	O
Xperia	B-Application
X	I-Application
has	O
received	O
an	O
official	O
Android	B-Application
8.0	I-Application
Oreo	I-Application
update	O
.	O
</s>
<s>
Ubuntu	B-Protocol
Touch	I-Protocol
can	O
also	O
be	O
installed	O
on	O
the	O
Xperia	B-Application
X	I-Application
.	O
</s>
<s>
Here	O
is	O
a	O
partial	O
description	O
of	O
the	O
Xperia	B-Application
X	I-Application
variants	O
(	O
X	O
,	O
X	O
dual	O
sim	O
,	O
X	B-Application
Compact	I-Application
)	O
sold	O
in	O
the	O
world	O
:	O
</s>
