<s>
Series	B-Operating_System
40	I-Operating_System
,	O
often	O
shortened	O
as	O
S40	O
,	O
is	O
a	O
software	B-Device
platform	I-Device
and	O
application	O
user	B-Application
interface	I-Application
(	O
UI	O
)	O
software	O
on	O
Nokia	O
's	O
broad	O
range	O
of	O
mid-tier	O
feature	B-Device
phones	I-Device
,	O
as	O
well	O
as	O
on	O
some	O
of	O
the	O
Vertu	O
line	O
of	O
luxury	O
phones	O
.	O
</s>
<s>
It	O
was	O
one	O
of	O
the	O
world	O
's	O
most	O
widely	O
used	O
mobile	O
phone	O
platforms	B-Device
and	O
found	O
in	O
hundreds	O
of	O
millions	O
of	O
devices	O
.	O
</s>
<s>
Nokia	O
announced	O
on	O
25	O
January	O
2012	O
that	O
the	O
company	O
has	O
sold	O
over	O
1.5	O
billion	O
Series	B-Operating_System
40	I-Operating_System
devices	O
.	O
</s>
<s>
It	O
was	O
not	O
used	O
for	O
smartphones	B-Application
,	O
with	O
Nokia	O
turning	O
first	O
to	O
Symbian	B-Operating_System
,	O
then	O
in	O
2012	O
–	O
2017	O
to	O
Windows	B-Protocol
Phone	I-Protocol
,	O
and	O
most	O
recently	O
Android	B-Application
.	O
</s>
<s>
However	O
,	O
in	O
2012	O
and	O
2013	O
,	O
several	O
Series	B-Operating_System
40	I-Operating_System
phones	O
from	O
the	O
Asha	B-Device
line	O
,	O
such	O
as	O
the	O
308	O
,	O
309	O
and	O
311	B-Operating_System
,	O
were	O
advertised	O
as	O
"	O
smartphones	B-Application
"	O
although	O
they	O
do	O
not	O
actually	O
support	O
smartphone	B-Application
features	O
like	O
multitasking	B-Operating_System
or	O
a	O
fully	O
fledged	O
HTML	B-Language
browser	B-Application
.	O
</s>
<s>
As	O
part	O
of	O
a	O
licensing	O
agreement	O
with	O
the	O
company	O
,	O
Microsoft	O
Mobile	O
is	O
allowed	O
to	O
use	O
the	O
Nokia	O
brand	O
on	O
feature	B-Device
phones	I-Device
,	O
such	O
as	O
the	O
Series	B-Operating_System
40	I-Operating_System
range	O
.	O
</s>
<s>
However	O
,	O
a	O
July	O
2014	O
company	O
memo	O
revealed	O
that	O
Microsoft	O
would	O
end	O
future	O
production	O
of	O
Series	B-Operating_System
40	I-Operating_System
devices	O
.	O
</s>
<s>
It	O
was	O
replaced	O
by	O
Series	B-Operating_System
30+	I-Operating_System
.	O
</s>
<s>
Series	B-Operating_System
40	I-Operating_System
was	O
introduced	O
in	O
1999	O
with	O
the	O
release	O
of	O
the	O
Nokia	O
7110	O
.	O
</s>
<s>
It	O
had	O
a	O
96	O
×	O
65	O
pixel	O
monochrome	O
display	O
and	O
was	O
the	O
first	O
phone	O
to	O
come	O
with	O
a	O
WAP	O
browser	B-Application
.	O
</s>
<s>
The	O
third	O
generation	O
of	O
Series	B-Operating_System
40	I-Operating_System
that	O
became	O
available	O
in	O
2005	O
introduced	O
support	O
for	O
devices	O
with	O
resolutions	O
as	O
high	O
as	O
QVGA	O
(	O
240×320	O
)	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
customize	O
the	O
look	O
and	O
feel	O
of	O
the	O
UI	O
via	O
comprehensive	O
themes	B-Application
.	O
</s>
<s>
In	O
2012	O
,	O
Nokia	B-Device
Asha	I-Device
mobile	O
phones	O
200/201	O
,	O
210	O
,	O
302	O
,	O
303	B-Operating_System
,	O
305	O
,	O
306	O
,	O
308	O
,	O
310	O
and	O
311	B-Operating_System
were	O
released	O
and	O
all	O
used	O
Series	B-Operating_System
40	I-Operating_System
.	O
</s>
<s>
The	O
final	O
feature	B-Device
phone	I-Device
running	O
Series	B-Operating_System
40	I-Operating_System
was	O
the	O
Nokia	B-Operating_System
515	I-Operating_System
from	O
2013	O
,	O
running	O
the	O
6th	O
Edition	O
.	O
</s>
<s>
Series	B-Operating_System
40	I-Operating_System
provides	O
communication	O
applications	O
such	O
as	O
telephone	O
,	O
Internet	O
telephony	O
(	O
VoIP	B-Protocol
)	O
,	O
messaging	O
,	O
email	O
client	O
with	O
POP3	B-Protocol
and	O
IMAP4	B-Protocol
capabilities	O
and	O
web	B-Application
browser	I-Application
;	O
media	O
applications	O
such	O
as	O
camera	O
,	O
video	O
recorder	O
,	O
music/video	O
player	O
and	O
FM	O
radio	O
;	O
and	O
phonebook	O
and	O
other	O
personal	B-Application
information	I-Application
management	I-Application
(	O
PIM	O
)	O
applications	O
such	O
as	O
calendar	O
and	O
tasks	O
.	O
</s>
<s>
Basic	O
file	O
management	O
,	O
like	O
in	O
Series	B-Language
60	I-Language
,	O
is	O
provided	O
in	O
the	O
Applications	O
and	O
Gallery	O
folders	O
and	O
subfolders	O
.	O
</s>
<s>
Gallery	O
is	O
also	O
the	O
default	O
location	O
for	O
files	O
transferred	O
over	O
Bluetooth	B-Protocol
to	O
be	O
placed	O
.	O
</s>
<s>
User-installed	O
applications	O
on	O
Series	B-Operating_System
40	I-Operating_System
are	O
generally	O
mobile	B-Language
Java	I-Language
applications	O
.	O
</s>
<s>
Flash	B-Operating_System
Lite	I-Operating_System
applications	O
are	O
also	O
supported	O
,	O
but	O
mostly	O
used	O
for	O
screensavers	O
.	O
</s>
<s>
The	O
integrated	O
web	B-Application
browser	I-Application
can	O
access	O
most	O
web	O
content	O
through	O
the	O
service	O
provider	O
's	O
XHTML/HTML	O
gateway	O
.	O
</s>
<s>
The	O
latest	O
version	O
of	O
Series	B-Operating_System
40	I-Operating_System
,	O
called	O
Series	B-Operating_System
40	I-Operating_System
6th	O
Edition	O
,	O
introduced	O
a	O
new	O
browser	B-Application
based	O
on	O
the	O
WebKit	B-Language
open	O
source	O
components	O
WebCore	B-Language
and	O
JavaScriptCore	O
.	O
</s>
<s>
The	O
new	O
browser	B-Application
delivers	O
support	O
for	O
HTML	B-Language
4.01	I-Language
,	O
CSS2	B-Language
,	O
JavaScript	B-Language
1.5	O
,	O
and	O
Ajax	B-General_Concept
.	O
</s>
<s>
Also	O
,	O
like	O
the	O
higher-end	O
Series	B-Language
60	I-Language
,	O
Series	B-Operating_System
40	I-Operating_System
can	O
run	O
the	O
UC	B-Language
Browser	I-Language
web	B-Application
browser	I-Application
to	O
enhance	O
the	O
user	O
's	O
web	O
browsing	O
experience	O
.	O
</s>
<s>
The	O
latest	O
feature	B-Device
phones	I-Device
from	O
the	O
Asha	B-Device
lineup	O
come	O
with	O
the	O
Nokia	B-Application
Xpress	I-Application
Browser	I-Application
which	O
uses	O
proxy	O
servers	O
to	O
compress	O
and	O
optimize	O
web	O
pages	O
in	O
a	O
similar	O
fashion	O
as	O
Opera	B-Protocol
Mini	I-Protocol
.	O
</s>
<s>
Support	O
for	O
SyncML	B-General_Concept
synchronization	O
of	O
the	O
address	O
book	O
,	O
calendar	O
and	O
notes	O
with	O
external	O
services	O
is	O
present	O
.	O
</s>
<s>
Series	B-Operating_System
40	I-Operating_System
is	O
an	O
embedded	B-Application
software	I-Application
platform	O
that	O
is	O
open	O
for	O
software	O
development	O
via	O
standard	O
or	O
de	O
facto	O
content	O
and	O
application	O
development	O
technologies	O
.	O
</s>
<s>
It	O
supports	O
Java	B-Language
MIDlets	B-Language
,	O
i.e.	O
</s>
<s>
Java	B-Language
MIDP	B-Language
and	O
CLDC	B-Language
technology	O
,	O
which	O
provide	O
location	O
,	O
communication	O
,	O
messaging	O
,	O
media	O
,	O
and	O
graphics	O
capabilities	O
.	O
</s>
<s>
S40	O
also	O
supports	O
Flash	B-Operating_System
Lite	I-Operating_System
applications	O
.	O
</s>
<s>
The	O
following	O
is	O
a	O
list	O
of	O
Series	B-Operating_System
40	I-Operating_System
devices	O
released	O
by	O
Nokia	O
:	O
</s>
