<s>
The	O
Meizu	B-Application
MX4	I-Application
is	O
a	O
smartphone	B-Application
designed	O
and	O
produced	O
by	O
the	O
Chinese	O
manufacturer	O
Meizu	O
,	O
which	O
runs	O
on	O
Flyme	O
OS	O
,	O
Meizu	O
's	O
modified	O
Android	B-Application
operating	I-Application
system	I-Application
.	O
</s>
<s>
It	O
is	O
a	O
previous	O
phablet	B-Application
model	O
of	O
the	O
MX	O
series	O
,	O
succeeding	O
the	O
Meizu	B-Application
MX3	I-Application
and	O
preceding	O
the	O
Meizu	B-Application
MX5	I-Application
.	O
</s>
<s>
Rumors	O
appeared	O
in	O
April	O
2014	O
,	O
which	O
stated	O
that	O
a	O
successor	O
of	O
the	O
Meizu	B-Application
MX3	I-Application
was	O
about	O
to	O
be	O
released	O
in	O
August	O
.	O
</s>
<s>
At	O
the	O
Mobile	O
World	O
Congress	O
in	O
March	O
2015	O
,	O
Meizu	O
has	O
presented	O
the	O
Meizu	B-Application
MX4	I-Application
Ubuntu	I-Application
Edition	I-Application
,	O
which	O
is	O
an	O
alternative	O
version	O
of	O
the	O
MX4	B-Application
running	O
on	O
Ubuntu	B-Protocol
Touch	I-Protocol
,	O
becoming	O
the	O
second	O
commercially	O
available	O
device	O
on	O
this	O
platform	O
.	O
</s>
<s>
As	O
announced	O
,	O
the	O
MX4	B-Application
was	O
released	O
in	O
Beijing	O
on	O
September	O
2	O
,	O
2014	O
.	O
</s>
<s>
The	O
MX4	B-Application
was	O
introduced	O
to	O
the	O
Indian	O
market	O
on	O
May	O
18	O
,	O
2015	O
.	O
</s>
<s>
The	O
Meizu	B-Application
MX4	I-Application
was	O
released	O
with	O
an	O
updated	O
version	O
of	O
Flyme	O
OS	O
,	O
a	O
modified	O
operating	O
system	O
based	O
on	O
Android	B-Application
KitKat	I-Application
.	O
</s>
<s>
The	O
Meizu	B-Application
MX4	I-Application
features	O
a	O
MediaTek	O
MT6595	O
system-on-a-chip	B-Architecture
with	O
an	O
array	O
of	O
four	O
ARM	B-Application
Cortex-A17	I-Application
and	O
four	O
Cortex-A7	B-Application
CPU	B-General_Concept
cores	O
,	O
a	O
PowerVR	B-Device
G6200	O
GPU	B-Architecture
and	O
2	O
GB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
The	O
MX4	B-Application
reaches	O
a	O
score	O
of	O
50,987	O
points	O
on	O
the	O
AnTuTu	O
benchmark	O
and	O
is	O
therefore	O
almost	O
106%	O
faster	O
than	O
its	O
predecessor	O
,	O
the	O
Meizu	B-Application
MX3	I-Application
.	O
</s>
<s>
The	O
MX4	B-Application
is	O
available	O
in	O
four	O
different	O
color	O
variants	O
(	O
grey	O
body	O
with	O
black	O
front	O
,	O
champagne	O
gold	O
body	O
with	O
white	O
front	O
and	O
white	O
body	O
with	O
black	O
or	O
white	O
front	O
)	O
and	O
comes	O
with	O
16	O
GB	O
,	O
32	O
GB	O
or	O
64	O
GB	O
of	O
internal	O
storage	O
.	O
</s>
<s>
The	O
body	O
of	O
the	O
MX4	B-Application
features	O
a	O
metal	O
frame	O
and	O
measures	O
x	O
x	O
and	O
weighs	O
.	O
</s>
<s>
The	O
MX4	B-Application
uses	O
a	O
single	O
circular	O
halo	O
button	O
on	O
the	O
front	O
for	O
navigation	O
.	O
</s>
<s>
The	O
MX4	B-Application
features	O
a	O
5.36-inch	O
IPS	B-Architecture
multi-touch	B-Application
capacitive	O
touchscreen	O
display	O
with	O
a	O
FHD	O
resolution	O
of	O
1152	O
by	O
1920	O
pixels	B-Algorithm
.	O
</s>
<s>
The	O
pixel	B-Algorithm
density	I-Algorithm
of	O
the	O
display	O
is	O
403	O
ppi	B-Algorithm
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
touchscreen	O
input	O
and	O
the	O
front	O
key	O
,	O
the	O
device	O
has	O
volume/zoom	O
control	O
buttons	O
and	O
the	O
power/lock	O
button	O
on	O
the	O
right	O
side	O
,	O
a	O
3.5mm	O
TRS	B-Device
audio	I-Device
jack	I-Device
on	O
the	O
top	O
and	O
a	O
microUSB	O
(	O
Micro-B	O
type	O
)	O
port	O
on	O
the	O
bottom	O
for	O
charging	O
and	O
connectivity	O
.	O
</s>
<s>
The	O
Meizu	B-Application
MX4	I-Application
has	O
two	O
cameras	O
.	O
</s>
<s>
The	O
rear	O
camera	O
has	O
a	O
resolution	O
of	O
20.7	O
MP	O
,	O
a	O
ƒ/2.2	O
aperture	B-General_Concept
,	O
a	O
5-element	O
lens	O
,	O
laser-aided	O
phase-detection	O
autofocus	O
and	O
an	O
LED	O
flash	O
.	O
</s>
<s>
The	O
front	O
camera	O
has	O
a	O
resolution	O
of	O
2	O
MP	O
,	O
a	O
ƒ/2.0	O
aperture	B-General_Concept
and	O
a	O
4-element	O
lens	O
.	O
</s>
<s>
The	O
MX4	B-Application
received	O
generally	O
positive	O
reviews	O
.	O
</s>
<s>
Android	B-Application
Authority	O
gave	O
the	O
MX4	B-Application
a	O
rating	O
of	O
7.0	O
out	O
of	O
10	O
possible	O
points	O
and	O
mentioned	O
that	O
the	O
device	O
has	O
“[a]	O
great	O
screen	O
,	O
super	O
powerful	O
processor	O
and	O
awesome	O
build	O
quality	O
”	O
.	O
</s>
<s>
PhoneArena	O
stated	O
that	O
“	O
the	O
Meizu	B-Application
MX4	I-Application
is	O
a	O
great	O
flagship	O
for	O
those	O
of	O
you	O
on	O
a	O
smaller	O
budget	O
”	O
.	O
</s>
<s>
Android	B-Application
Headlines	O
also	O
reviewed	O
the	O
device	O
and	O
concluded	O
that	O
“[all]	O
in	O
all	O
this	O
is	O
easily	O
one	O
of	O
the	O
best	O
phones	O
of	O
the	O
year	O
”	O
.	O
</s>
<s>
Furthermore	O
,	O
Android	B-Application
Headlines	O
praised	O
the	O
display	O
,	O
build	O
quality	O
and	O
camera	O
.	O
</s>
