<s>
The	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Fold	I-Application
4	I-Application
(	O
stylized	O
as	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Fold4	I-Application
)	O
is	O
a	O
foldable	B-Application
smartphone	I-Application
that	O
is	O
part	O
of	O
the	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
series	I-Application
.	O
</s>
<s>
It	O
was	O
announced	O
at	O
the	O
August	O
2022	O
edition	O
of	O
Galaxy	O
Unpacked	O
alongside	O
the	O
Galaxy	B-Application
Z	I-Application
Flip	I-Application
4	I-Application
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
to	O
the	O
Galaxy	B-Application
Z	I-Application
Fold	I-Application
3	I-Application
.	O
</s>
<s>
The	O
Z	O
Fold	O
4	O
's	O
outer	O
display	O
and	O
back	O
panel	O
use	O
Gorilla	O
Glass	O
Victus+	O
,	O
whilst	O
the	O
foldable	O
inner	O
display	O
is	O
made	O
of	O
Samsung	B-Application
's	O
proprietary	O
"	O
Ultra-Thin	O
Glass	O
"	O
,	O
with	O
two	O
protective	O
plastic	O
layers	O
covering	O
it	O
.	O
</s>
<s>
The	O
outer	O
frame	O
is	O
constructed	O
from	O
aluminum	O
,	O
marketed	O
as	O
'	O
Armor	O
Frame	O
 '	O
by	O
Samsung	B-Application
.	O
</s>
<s>
The	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Fold	I-Application
4	I-Application
is	O
available	O
in	O
four	O
colors	O
:	O
Phantom	O
Black	O
,	O
Beige	O
,	O
Graygreen	O
and	O
Burgundy	O
.	O
</s>
<s>
The	O
Galaxy	B-Application
Z	I-Application
Fold	I-Application
4	I-Application
has	O
two	O
screens	O
:	O
its	O
6.2-inch	O
cover	O
display	O
,	O
and	O
its	O
foldable	O
inner	O
7.6-inch	O
display	O
,	O
featuring	O
support	O
for	O
the	O
S	O
Pen	O
Pro	O
and	O
the	O
S	O
Pen	O
Fold	O
Edition	O
.	O
</s>
<s>
Both	O
displays	O
have	O
a	O
120	O
Hz	O
variable	B-General_Concept
refresh	I-General_Concept
rate	I-General_Concept
.	O
</s>
<s>
Compared	O
to	O
the	O
Z	O
Fold	O
3	O
,	O
the	O
inner	O
display	O
has	O
a	O
more	O
square	O
aspect	B-General_Concept
ratio	I-General_Concept
( ≈	O
5:6	O
vs	O
≈	O
4:5	O
)	O
,	O
while	O
the	O
cover	O
display	O
is	O
slightly	O
wider	O
by	O
about	O
+3mm	O
while	O
also	O
being	O
ever	O
so	O
slightly	O
shorter	O
(	O
which	O
both	O
combine	O
for	O
a	O
closer	O
to	O
traditional	O
phone	O
≈	O
23.1:9	O
aspect	B-General_Concept
ratio	I-General_Concept
,	O
as	O
compared	O
to	O
the	O
Fold	O
3	O
's	O
notably	O
narrower	O
≈	O
24.5:9	O
)	O
.	O
</s>
<s>
The	O
device	O
has	O
12	O
GB	O
of	O
RAM	O
,	O
and	O
either	O
256	O
GB	O
,	O
512	O
GB	O
or	O
1	O
TB	O
of	O
UFS	B-Device
3.1	I-Device
flash	O
storage	O
,	O
with	O
no	O
support	O
for	O
expanding	O
the	O
device	O
's	O
storage	O
capacity	O
via	O
micro-SD	O
cards	O
.	O
</s>
<s>
The	O
Z	O
Fold	O
4	O
is	O
powered	O
by	O
the	O
Qualcomm	B-Architecture
Snapdragon	I-Architecture
8+	O
Gen	O
1	O
.	O
</s>
<s>
The	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Fold	I-Application
4	I-Application
ships	O
with	O
Android	O
12L	O
based	O
One	B-Application
UI	I-Application
4.1	O
.	O
</s>
