<s>
Xperia	B-Device
(	O
)	O
is	O
the	O
brand	O
name	O
of	O
smartphones	B-Application
and	O
tablets	B-Device
from	O
Sony	O
.	O
</s>
<s>
The	O
name	O
Xperia	B-Device
is	O
derived	O
from	O
the	O
word	O
"	O
experience	O
"	O
,	O
and	O
was	O
first	O
used	O
in	O
the	O
Xperia	B-Algorithm
X1	I-Algorithm
tagline	O
of	O
"	O
I	O
Xperia	B-Device
the	O
best	O
"	O
.	O
</s>
<s>
The	O
Xperia	B-Algorithm
X1	I-Algorithm
was	O
the	O
first	O
phone	O
to	O
be	O
released	O
in	O
the	O
Xperia	B-Device
range	O
.	O
</s>
<s>
Released	O
in	O
2008	O
,	O
it	O
featured	O
a	O
high	O
resolution	O
display	O
(	O
~	O
311	O
ppi	O
pixel	O
density	O
)	O
and	O
it	O
was	O
intended	O
to	O
fill	O
the	O
widening	O
gap	O
of	O
smartphones	B-Application
as	O
other	O
competitors	O
were	O
producing	O
high-end	O
smartphone	B-Application
devices	O
such	O
as	O
HTC	B-Application
and	O
Apple	O
.	O
</s>
<s>
By	O
this	O
time	O
there	O
was	O
a	O
clear	O
shift	O
towards	O
the	O
smartphone	B-Application
end	O
of	O
the	O
spectrum	O
.	O
</s>
<s>
An	O
exception	O
was	O
the	O
Xperia	B-Device
Pureness	O
,	O
a	O
translucent	O
phone	O
without	O
camera	O
that	O
was	O
sold	O
by	O
selected	O
retailers	O
in	O
selected	O
cities	O
.	O
</s>
<s>
The	O
Xperia	B-Device
X5	O
Pureness	O
is	O
based	O
on	O
Sony	O
Ericsson	O
's	O
proprietary	O
operating	O
system	O
(	O
OSE	O
)	O
.	O
</s>
<s>
It	O
was	O
the	O
first	O
in	O
the	O
Xperia	B-Device
line	O
to	O
feature	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
,	O
where	O
previous	O
models	O
ran	O
on	O
the	O
Windows	B-Operating_System
Mobile	I-Operating_System
OS	O
.	O
</s>
<s>
The	O
phone	O
was	O
praised	O
on	O
its	O
design	O
,	O
but	O
its	O
downfall	O
was	O
its	O
use	O
of	O
Android	B-Application
1.6	I-Application
at	O
a	O
time	O
when	O
competitors	O
were	O
on	O
2.1	B-Application
.	O
</s>
<s>
The	O
X10	B-Application
Mini	I-Application
and	O
the	O
X10	B-Application
Mini	I-Application
Pro	I-Application
were	O
,	O
as	O
the	O
names	O
suggest	O
,	O
smaller	O
versions	O
of	O
the	O
X10	O
.	O
</s>
<s>
These	O
were	O
received	O
relatively	O
well	O
and	O
proved	O
to	O
be	O
very	O
popular	O
,	O
as	O
there	O
were	O
no	O
other	O
smartphones	B-Application
on	O
the	O
market	O
at	O
that	O
time	O
which	O
were	O
as	O
small	O
as	O
the	O
two	O
.	O
</s>
<s>
The	O
Z	O
series	O
smartphones	B-Application
continued	O
the	O
Xperia	B-Device
legacy	O
with	O
an	O
omni-balance	O
design	O
and	O
water	O
resistance	O
.	O
</s>
<s>
On	O
several	O
Sony	B-Device
Xperia	I-Device
smartphones	B-Application
such	O
as	O
the	O
Xperia	B-Application
Z	I-Application
,	O
the	O
charging	O
port	O
is	O
located	O
at	O
the	O
top	O
of	O
the	O
left	O
edge	O
,	O
rather	O
than	O
popularly	O
at	O
the	O
bottom	O
center	O
.	O
</s>
<s>
The	O
Xperia	B-Application
Z	I-Application
is	O
the	O
earliest	O
known	O
device	O
to	O
feature	O
high	B-General_Concept
dynamic	I-General_Concept
range	I-General_Concept
filming	O
,	O
and	O
does	O
it	O
at	O
1080p	O
.	O
</s>
<s>
Its	O
image	O
sensor	O
is	O
an	O
Exmor	B-Device
IMX135	O
.	O
</s>
<s>
After	O
the	O
Sony	B-Application
Xperia	I-Application
Z	I-Application
(	O
early	O
2013	O
)	O
,	O
the	O
Z1	B-Application
(	O
late	O
2013	O
)	O
was	O
released	O
with	O
increased	O
processing	O
performance	O
and	O
a	O
physical	O
shutter	O
button	O
,	O
as	O
well	O
as	O
augmented	B-General_Concept
reality	I-General_Concept
camera	O
effects	O
such	O
as	O
a	O
walking	O
dinosaur	O
.	O
</s>
<s>
In	O
early	O
2014	O
,	O
the	O
Sony	B-Application
Xperia	I-Application
Z2	I-Application
was	O
introduced	O
with	O
2160p	O
video	O
recording	O
,	O
1080p	O
at	O
60	O
frames	O
per	O
second	O
,	O
and	O
720p	O
at	O
120fps	O
for	O
slow	O
motion	O
,	O
as	O
well	O
as	O
precluded	O
screencasting	B-Protocol
functionality	O
.	O
</s>
<s>
In	O
2016	O
,	O
Sony	O
introduced	O
the	O
new	O
Xperia	B-Application
X	I-Application
series	O
to	O
replace	O
the	O
Z	O
series	O
and	O
in	O
2018	O
,	O
Sony	O
introduced	O
the	O
Sony	B-Application
Xperia	I-Application
XZ2	I-Application
along	O
with	O
the	O
Sony	B-Application
Xperia	I-Application
XZ2	I-Application
Compact	I-Application
at	O
Mobile	O
World	O
Congress	O
2018	O
featuring	O
Sony	O
's	O
brand	O
new	O
"	O
Ambient	O
Flow	O
"	O
smartphone	B-Application
design	O
while	O
the	O
premium	O
smartphone	B-Application
,	O
the	O
Sony	B-Application
Xperia	I-Application
XZ2	I-Application
Premium	I-Application
featuring	O
a	O
4K	B-Architecture
HDR	B-General_Concept
Display	O
and	O
a	O
19MP	O
+	O
12MP	O
MotionEye	O
Dual	O
camera	O
built	O
for	O
'	O
extreme	O
 '	O
low-light	O
shooting	O
was	O
announced	O
two	O
months	O
later	O
.	O
</s>
<s>
Sony	O
has	O
been	O
criticized	O
for	O
the	O
heavily	O
inconsistent	O
naming	O
of	O
their	O
Xperia	B-Device
devices	O
.	O
</s>
