<s>
The	O
Nokia	B-Device
3-digit	I-Device
series	I-Device
are	O
a	O
series	O
of	O
feature	B-Device
and	O
smartphones	B-Application
by	O
HMD	O
Global	O
and	O
previously	O
by	O
Microsoft	O
Mobile	O
and	O
Nokia	O
,	O
generally	O
aimed	O
at	O
developing	O
markets	O
.	O
</s>
<s>
Nokia	O
originally	O
launched	O
the	O
brand	O
for	O
low	O
end	O
devices	O
aimed	O
at	O
developing	O
markets	O
but	O
among	O
the	O
series	O
 '	O
original	O
operating	O
systems	O
was	O
the	O
primarily	O
smartphone-aimed	O
operating	O
system	O
,	O
Symbian	B-Operating_System
which	O
was	O
discontinued	O
in	O
October	O
2011	O
.	O
</s>
<s>
And	O
after	O
the	O
depreciation	O
of	O
Symbian	B-Operating_System
Nokia	O
started	O
to	O
exclusively	O
use	O
S30	O
and	O
S40	O
as	O
their	O
feature	B-Device
phone	I-Device
platforms	O
.	O
</s>
<s>
Microsoft	O
completed	O
its	O
acquisition	O
of	O
Nokia	O
's	O
devices	O
and	O
services	O
divisions	O
in	O
2014	O
after	O
which	O
they	O
continued	O
developing	O
and	O
selling	O
Nokia	O
's	O
feature	B-Device
phone	I-Device
range	O
but	O
decided	O
to	O
discontinue	O
S30	O
and	O
S40	O
in	O
favour	O
of	O
S30+	B-Operating_System
.	O
</s>
<s>
With	O
the	O
release	O
of	O
newer	O
devices	O
Microsoft	O
started	O
to	O
add	O
their	O
services	O
such	O
as	O
Bing	B-Application
,	O
MSN	O
Weather	O
,	O
and	O
GroupMe	B-Protocol
to	O
the	O
operating	O
system	O
.	O
</s>
<s>
In	O
June	O
2016	O
,	O
Microsoft	O
sold	O
the	O
series	O
as	O
part	O
of	O
its	O
feature	B-Device
phone	I-Device
sale	O
to	O
HMD	O
Global	O
.	O
</s>
