<s>
The	O
Sony	B-Application
Xperia	I-Application
Z3	I-Application
Compact	I-Application
is	O
an	O
Android	B-Application
smartphone	B-Application
produced	O
by	O
Sony	O
.	O
</s>
<s>
As	O
part	O
of	O
the	O
Z	B-Application
Series	I-Application
,	O
the	O
Z3	B-Application
Compact	I-Application
is	O
a	O
scaled-down	O
version	O
of	O
the	O
Sony	B-Application
Xperia	I-Application
Z3	I-Application
and	O
was	O
unveiled	O
during	O
a	O
press	O
conference	O
in	O
IFA	O
2014	O
on	O
4	O
September	O
2014	O
.	O
</s>
<s>
Like	O
the	O
preceding	O
Z1	B-Application
Compact	I-Application
(	O
as	O
no	O
Z2	O
Compact	O
was	O
produced	O
)	O
,	O
the	O
Z3	B-Application
Compact	I-Application
is	O
water-proof	O
with	O
an	O
IP	O
rating	O
of	O
IP65	O
and	O
IP68	O
.	O
</s>
<s>
The	O
phone	O
features	O
a	O
new	O
display	O
,	O
a	O
Qualcomm	B-Architecture
Snapdragon	I-Architecture
801	O
processor	O
,	O
and	O
has	O
the	O
ability	O
to	O
record	O
4K	O
videos	O
.	O
</s>
<s>
The	O
Z3	B-Application
Compact	I-Application
is	O
designed	O
with	O
what	O
Sony	O
describes	O
as	O
"	O
omni-balance	O
"	O
,	O
which	O
is	O
focused	O
on	O
balance	O
and	O
symmetry	O
.	O
</s>
<s>
The	O
Sony	B-Application
Xperia	I-Application
Z3	I-Application
Compact	I-Application
features	O
a	O
4.6	O
inch	O
BRAVIA	O
IPS	B-Architecture
Triluminos	O
display	O
with	O
a	O
resolution	O
of	O
720	O
by	O
1280	O
pixels	O
(	O
HD	O
)	O
with	O
a	O
pixel	B-Algorithm
density	I-Algorithm
of	O
319	O
ppi	B-Algorithm
.	O
</s>
<s>
It	O
comes	O
with	O
a	O
20.7	O
megapixel	O
camera	O
,	O
the	O
same	O
as	O
the	O
Z3	O
,	O
with	O
an	O
Exmor	B-Device
RS	O
sensor	O
and	O
an	O
ISO	O
rating	O
of	O
12800	O
,	O
designed	O
to	O
improve	O
image	O
quality	O
in	O
low	O
light	O
conditions	O
.	O
</s>
<s>
On	O
the	O
inside	O
,	O
the	O
Xperia	B-Application
Z3	I-Application
Compact	O
features	O
a	O
quad-core	O
Qualcomm	B-Architecture
Snapdragon	I-Architecture
801	O
processor	O
(	O
a	O
tweaked	O
version	O
of	O
the	O
Snapdragon	B-Architecture
800	O
)	O
clocked	O
at	O
2.5GHz	O
with	O
a	O
high	O
capacity	O
2600mAh	O
battery	O
,	O
2GB	O
of	O
RAM	O
and	O
16GB	O
of	O
storage	O
,	O
about	O
11GB	O
of	O
which	O
are	O
available	O
for	O
the	O
user	O
and	O
supporting	O
a	O
microSD	O
card	O
.	O
</s>
<s>
The	O
Z3	B-Application
Compact	I-Application
initially	O
ran	O
Android	B-Application
4.4.4	O
KitKat	O
with	O
Sony	O
's	O
custom	O
launcher	O
and	O
some	O
additional	O
applications	O
,	O
such	O
as	O
Sony	O
's	O
media	O
applications	O
(	O
Walkman	O
,	O
Album	O
and	O
Movies	O
)	O
.	O
</s>
<s>
The	O
Z3	B-Application
Compact	I-Application
can	O
play	O
PlayStation	O
4	O
games	O
via	O
Remote	B-Device
Play	I-Device
.	O
</s>
<s>
Sony	O
began	O
an	O
upgrade	O
for	O
both	O
the	O
Z3	B-Application
Compact	I-Application
and	O
the	O
Z3	O
to	O
Android	B-Application
5.0	I-Application
"	I-Application
Lollipop	I-Application
"	I-Application
and	O
announced	O
upgrades	O
for	O
other	O
Xperia	B-Device
Z	O
devices	O
in	O
March	O
2015	O
.	O
</s>
<s>
Starting	O
in	O
July	O
2015	O
,	O
Sony	O
released	O
an	O
Android	B-Application
5.1.1	I-Application
update	O
for	O
the	O
Z2	O
,	O
Z3	O
and	O
Z3	B-Application
Compact	I-Application
,	O
with	O
the	O
other	O
Xperia	B-Device
Z	O
devices	O
following	O
shortly	O
after	O
.	O
</s>
<s>
On	O
6	O
October	O
2015	O
,	O
Sony	O
confirmed	O
that	O
the	O
Xperia	B-Application
Z3	I-Application
Compact	O
will	O
be	O
updated	O
to	O
Android	B-Application
6.0	O
Marshmallow	O
.	O
</s>
<s>
Sony	O
released	O
the	O
official	O
Android	B-Application
6.0.1	O
Marshmallow	O
update	O
in	O
April	O
2016	O
.	O
</s>
<s>
The	O
bootloader	O
can	O
be	O
unlocked	O
on	O
both	O
Z3	B-Application
Compact	I-Application
and	O
Z3	O
in	O
order	O
to	O
install	O
a	O
custom	O
ROM	O
,	O
but	O
will	O
void	O
the	O
warranty	O
and	O
delete	O
the	O
DRM	O
keys	O
,	O
disabling	O
the	O
camera	O
noise	O
reduction	O
feature	O
and	O
access	O
to	O
Sony	O
Entertainment	O
Network	O
.	O
</s>
<s>
The	O
Z3	B-Application
Compact	I-Application
received	O
generally	O
positive	O
reviews	O
,	O
with	O
PC	O
Advisor	O
describing	O
it	O
as	O
a	O
great	O
little	O
smartphone	B-Application
offering	O
everything	O
available	O
on	O
the	O
full-size	O
Z3	O
,	O
with	O
a	O
design	O
that	O
is	O
thinner	O
and	O
lighter	O
with	O
a	O
larger	O
display	O
than	O
the	O
previous	O
Z1	B-Application
Compact	I-Application
.	O
</s>
<s>
The	O
Verge	O
praised	O
the	O
Z3	B-Application
Compact	I-Application
's	O
small	O
size	O
while	O
retaining	O
the	O
excellent	O
battery	O
life	O
and	O
performance	O
specs	O
of	O
the	O
Z3	O
flagship	O
,	O
drawing	O
an	O
analogy	O
between	O
the	O
iPhone	B-Operating_System
6	I-Operating_System
and	O
iPhone	B-Operating_System
6	I-Operating_System
Plus	I-Operating_System
which	O
shared	O
most	O
of	O
their	O
hardware	O
despite	O
the	O
size	O
difference	O
,	O
the	O
only	O
caveat	O
was	O
that	O
the	O
Z3	B-Application
Compact	I-Application
had	O
a	O
plastic	O
frame	O
compared	O
to	O
the	O
full-size	O
Z3	O
's	O
metal	O
frame	O
.	O
</s>
<s>
The	O
Z3	B-Application
Compact	I-Application
has	O
been	O
widely	O
reported	O
to	O
develop	O
two	O
serious	O
issues	O
:	O
</s>
<s>
The	O
touchscreen	B-Device
starts	O
to	O
fail	O
at	O
the	O
top	O
and	O
bottom	O
edges	O
;	O
this	O
becomes	O
critical	O
when	O
the	O
virtual	O
back/home/menu	O
navigation	O
buttons	O
stop	O
working	O
.	O
</s>
<s>
With	O
Android	B-Application
6.0.1	O
(	O
Marshmallow	O
)	O
,	O
Bluetooth	B-Protocol
blocks	O
deep	O
sleep	O
mode	O
and	O
the	O
battery	O
drains	O
quickly	O
.	O
</s>
<s>
Turning	O
off	O
Bluetooth	B-Protocol
is	O
a	O
work-around	O
.	O
</s>
