<s>
Fairphone	B-Application
4	I-Application
is	O
a	O
smartphone	O
designed	O
and	O
marketed	O
by	O
Fairphone	B-Application
.	O
</s>
<s>
It	O
succeeds	O
the	O
Fairphone	B-Application
3+	I-Application
.	O
</s>
<s>
It	O
comes	O
with	O
Android	B-Application
11	I-Application
“	I-Application
Red	I-Application
Velvet	I-Application
Cake	I-Application
”	I-Application
with	O
promised	O
2	O
major	O
Android	O
updates	O
(	O
Android	B-Application
12	I-Application
“	O
Snow	O
Cone	O
”	O
and	O
Android	O
13	O
“	O
Tiramisu	O
”	O
)	O
and	O
up	O
to	O
5	O
years	O
of	O
warranty	O
.	O
</s>
<s>
The	O
Fairphone	B-Application
4	I-Application
is	O
made	O
with	O
Fairtrade-certified	O
gold	O
,	O
aluminium	O
from	O
Aluminium	O
Stewardship	O
Initiative	O
(	O
ASI	O
)	O
Performance	O
Standard	O
certified	O
vendors	O
,	O
fair	O
tungsten	O
from	O
Rwanda	O
,	O
recycled	O
tin	O
,	O
rare	O
earth	O
minerals	O
and	O
plastics	O
.	O
</s>
<s>
CalyxOS	B-Operating_System
4.2.7	O
,	O
Android	O
13	O
is	O
available	O
for	O
the	O
Fairphone	B-Application
4	I-Application
,	O
as	O
of	O
December	O
2022	O
.	O
</s>
<s>
In	O
April	O
2022	O
,	O
CalyxOS	B-Operating_System
provided	O
"	O
test	O
builds	O
"	O
of	O
Android	O
12L	O
.	O
</s>
<s>
/e/	B-Application
supports	O
Fairphone	B-Application
4	I-Application
,	O
but	O
Ron	O
Amadeo	O
at	O
Ars	O
Technica	O
in	O
April	O
2020	O
warned	O
,	O
"	O
they	O
'll	O
most	O
likely	O
be	O
on	O
an	O
old	O
version	O
of	O
Android	O
"	O
.	O
</s>
<s>
The	O
Fairphone	B-Application
4	I-Application
received	O
mostly	O
positive	O
reviews	O
praising	O
its	O
guarantee	O
of	O
software	O
support	O
until	O
2025	O
and	O
up	O
to	O
5	O
years	O
of	O
warranty	O
as	O
well	O
as	O
improvements	O
over	O
its	O
predecessor	O
.	O
</s>
