<s>
The	O
Samsung	B-Application
Galaxy	I-Application
J4	I-Application
is	O
an	O
Android	B-Application
smartphone	B-Application
developed	O
by	O
the	O
South	O
Korean	O
manufacturer	O
Samsung	O
Electronics	O
.	O
</s>
<s>
Announced	O
on	O
May	O
22	O
,	O
2018	O
and	O
released	O
the	O
same	O
day	O
,	O
the	O
J4	O
is	O
the	O
successor	O
to	O
the	O
Galaxy	B-Application
J3	I-Application
.	O
</s>
<s>
The	O
Galaxy	O
J4	O
is	O
powered	O
by	O
an	O
Exynos	O
7570	O
SoC	B-Architecture
including	O
a	O
quad-core	O
1.4	O
GHz	O
ARM	O
Cortex-A53	O
CPU	B-General_Concept
,	O
an	O
ARM	O
Mali-T720MP2	B-General_Concept
GPU	B-Architecture
and	O
2	O
or	O
3	O
GB	O
RAM	B-Architecture
.	O
</s>
<s>
The	O
J4	O
features	O
a	O
5.5-inch	O
Super	O
AMOLED	B-Algorithm
display	I-Algorithm
with	O
a	O
720×1280	O
pixel	B-Algorithm
display	B-General_Concept
resolution	I-General_Concept
and	O
a	O
pixel	B-Algorithm
density	I-Algorithm
of	O
267	O
ppi	B-Algorithm
which	O
is	O
protected	O
by	O
2.5D	O
Glass	O
.	O
</s>
<s>
The	O
rear	O
camera	O
has	O
a	O
13	O
MP	O
sensor	O
with	O
f/1.9	O
aperture	O
,	O
autofocus	O
,	O
LED	O
flash	O
,	O
panorama	O
and	O
HDR	B-General_Concept
mode	O
.	O
</s>
<s>
The	O
Galaxy	O
J4	O
is	O
originally	O
shipped	O
with	O
Android	B-Application
8.0	I-Application
"	O
Oreo	B-Application
"	O
and	O
Samsung	O
's	O
Experience	B-Application
user	O
interface	O
.	O
</s>
