<s>
The	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
series	I-Application
(	O
named	O
as	O
Samsung	B-Application
Galaxy	O
Foldables	B-Application
in	O
certain	O
territories	O
)	O
is	O
a	O
line	O
of	O
foldable	B-Application
smartphones	I-Application
manufactured	O
by	O
Samsung	B-Application
Electronics	O
.	O
</s>
<s>
With	O
the	O
2020	O
announcement	O
of	O
the	O
Galaxy	B-Application
Z	I-Application
Flip	I-Application
,	O
Samsung	B-Application
's	O
future	O
foldable	B-Application
smartphones	I-Application
will	O
be	O
part	O
of	O
the	O
Galaxy	B-Application
Z	I-Application
series	I-Application
.	O
</s>
<s>
In	O
2018	O
,	O
Samsung	B-Application
announced	O
the	O
Samsung	B-Application
Galaxy	I-Application
X	I-Application
prototype	O
before	O
manufacture	O
and	O
release	O
of	O
the	O
foldable	B-Application
under	O
the	O
new	O
name	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Series	I-Application
in	O
2019	O
.	O
</s>
<s>
The	O
Samsung	B-Application
Galaxy	I-Application
Fold	I-Application
was	O
the	O
first	O
phone	O
in	O
the	O
Galaxy	B-Application
Z	I-Application
series	I-Application
,	O
and	O
the	O
only	O
one	O
not	O
marketed	O
under	O
the	O
"	O
Z	O
"	O
brand	O
.	O
</s>
<s>
A	O
version	O
of	O
the	O
device	O
marketed	O
as	O
the	O
Samsung	B-Application
W20	I-Application
5G	I-Application
was	O
released	O
on	O
December	O
12	O
exclusively	O
for	O
China	O
Telecom	O
,	O
with	O
a	O
faster	O
Snapdragon	B-Architecture
855+	O
processor	O
and	O
a	O
unique	O
white	O
finish	O
.	O
</s>
<s>
The	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Flip	I-Application
and	O
Z	B-Application
Flip	I-Application
5G	I-Application
were	O
released	O
on	O
14	O
February	O
2020	O
and	O
7	O
August	O
2020	O
respectively	O
,	O
and	O
was	O
the	O
first	O
device	O
to	O
be	O
marketed	O
under	O
the	O
"	O
Z	O
"	O
brand	O
.	O
</s>
<s>
Unlike	O
the	O
Galaxy	B-Application
Fold	I-Application
,	O
the	O
device	O
folds	O
vertically	O
and	O
uses	O
a	O
hybrid	O
glass	O
coating	O
branded	O
as	O
"	O
Infinity	O
Flex	O
Display	O
"	O
.	O
</s>
<s>
The	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Fold	I-Application
2	I-Application
5G	I-Application
was	O
released	O
on	O
18	O
September	O
2020	O
,	O
and	O
is	O
the	O
second	O
generation	O
of	O
Samsung	B-Application
's	O
outward	O
fold	O
design	O
introduced	O
with	O
the	O
original	O
Fold	O
.	O
</s>
<s>
A	O
luxury	O
model	O
called	O
the	O
Samsung	B-Application
W21	I-Application
5G	I-Application
was	O
unveiled	O
in	O
November	O
2020	O
exclusively	O
for	O
the	O
Chinese	O
market	O
.	O
</s>
<s>
Samsung	B-Application
unveiled	O
its	O
third	O
generation	O
of	O
folding	B-Application
phones	I-Application
,	O
the	O
Galaxy	B-Application
Z	I-Application
Fold	I-Application
3	I-Application
5G	I-Application
and	O
Galaxy	B-Application
Z	I-Application
Flip	I-Application
3	I-Application
5G	I-Application
on	O
11	O
August	O
2021	O
.	O
</s>
<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
with	O
a	O
release	O
either	O
later	O
in	O
the	O
month	O
or	O
in	O
early	O
September	O
.	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
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Flip	I-Application
4	I-Application
(	O
stylized	O
as	O
Samsung	B-Application
Galaxy	I-Application
Z	I-Application
Flip4	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>
In	O
March	O
2022	O
,	O
Samsung	B-Application
began	O
to	O
quietly	O
rebrand	O
the	O
current	O
Galaxy	B-Application
Fold	I-Application
and	O
Flip	O
devices	O
in	O
the	O
Baltic	O
states	O
(	O
Estonia	O
,	O
Latvia	O
,	O
and	O
Lithuania	O
)	O
to	O
remove	O
the	O
"	O
Z	O
"	O
branding	O
from	O
their	O
names	O
.	O
</s>
