<s>
BlackBerry	B-Application
OS	I-Application
is	O
a	O
discontinued	O
proprietary	B-Application
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
developed	O
by	O
Canadian	O
company	O
BlackBerry	B-Operating_System
Limited	O
for	O
its	O
BlackBerry	B-Operating_System
line	O
of	O
smartphone	B-Application
handheld	O
devices	O
.	O
</s>
<s>
The	O
operating	O
system	O
provides	O
multitasking	B-Operating_System
and	O
supports	O
specialized	O
input	O
devices	O
adopted	O
by	O
BlackBerry	B-Operating_System
for	O
use	O
in	O
its	O
handhelds	O
,	O
particularly	O
the	O
trackwheel	O
,	O
trackball	B-Device
,	O
and	O
most	O
recently	O
,	O
the	O
trackpad	B-Device
and	O
touchscreen	B-Device
.	O
</s>
<s>
The	O
BlackBerry	B-Operating_System
platform	O
natively	O
supports	O
corporate	O
email	O
,	O
through	O
Java	B-Language
Micro	I-Language
Edition	I-Language
MIDP	B-Language
1.0	O
and	O
,	O
more	O
recently	O
,	O
a	O
subset	O
of	O
MIDP	B-Language
2.0	I-Language
,	O
which	O
allows	O
complete	O
wireless	O
activation	O
and	O
synchronization	O
with	O
Microsoft	B-Operating_System
Exchange	I-Operating_System
,	O
Lotus	B-Operating_System
Domino	I-Operating_System
,	O
or	O
Novell	B-Operating_System
GroupWise	I-Operating_System
email	O
,	O
calendar	O
,	O
tasks	O
,	O
notes	O
and	O
contacts	O
,	O
when	O
used	O
with	O
BlackBerry	B-Application
Enterprise	I-Application
Server	I-Application
.	O
</s>
<s>
The	O
operating	O
system	O
also	O
supports	O
WAP	B-Protocol
1.2	O
.	O
</s>
<s>
Updates	O
to	O
the	O
operating	O
system	O
were	O
automatically	O
available	O
from	O
wireless	O
carriers	O
that	O
support	O
the	O
BlackBerry	B-Operating_System
over	O
the	O
air	O
software	O
loading	O
(	O
OTASL	O
)	O
service	O
.	O
</s>
<s>
Third-party	O
developers	O
wrote	O
software	O
using	O
the	O
available	O
BlackBerry	B-Operating_System
API	B-Application
classes	O
,	O
although	O
applications	O
that	O
make	O
use	O
of	O
certain	O
functionality	O
must	O
be	O
digitally	O
signed	O
.	O
</s>
<s>
BlackBerry	B-Application
OS	I-Application
was	O
discontinued	O
after	O
the	O
release	O
of	O
BlackBerry	B-Application
10	I-Application
in	O
January	O
2013	O
,	O
and	O
support	O
for	O
it	O
ceased	O
after	O
January	O
4	O
,	O
2022	O
.	O
</s>
<s>
Table	O
of	O
versions	O
:	O
BlackBerryVersionFeatures	O
/	O
Information	O
about1BlackBerry	O
OS	O
made	O
its	O
debut	O
and	O
it	O
was	O
released	O
for	O
the	O
BlackBerry	B-Operating_System
850	O
pager.4Released	O
on	O
the	O
BlackBerry	B-Operating_System
5810	O
smartphone	B-Application
.	O
</s>
<s>
First	O
version	O
to	O
support	O
Java	O
applications.5.0Released	O
on	O
the	O
BlackBerry	B-Application
Bold	I-Application
9000	I-Application
and	O
came	O
to	O
other	O
BlackBerry	B-Operating_System
smartphones	B-Application
a	O
short	O
while	O
after.6.0Q3	O
2010In	O
April	O
2010	O
,	O
BlackBerry	B-Operating_System
Limited	O
announced	O
BlackBerry	B-Operating_System
OS	O
6.0	O
,	O
which	O
was	O
released	O
in	O
the	O
third	O
quarter	O
of	O
2010	O
.	O
</s>
<s>
This	O
version	O
included	O
a	O
new	O
WebKit-based	O
browser.7.0BlackBerry	O
OS	O
7	O
featured	O
various	O
performance	O
improvements	O
(	O
including	O
use	O
of	O
"	O
Liquid	O
Graphics	O
"	O
technology	O
to	O
improve	O
touchscreen	B-Device
performance	O
)	O
,	O
a	O
"	O
significantly	O
enhanced	O
"	O
web	O
browser	O
(	O
including	O
HTML5	O
video	O
support	O
)	O
,	O
voice-activated	O
search	O
,	O
and	O
"	O
BlackBerry	B-Operating_System
Balance	O
"	O
—	O
a	O
feature	O
allowing	O
personal	O
and	O
work-related	O
content	O
to	O
be	O
separated	O
from	O
each	O
other	O
on	O
a	O
single	O
device	O
.	O
</s>
<s>
The	O
BlackBerry	B-Operating_System
9720	O
runs	O
a	O
version	O
of	O
BlackBerry	B-Operating_System
OS	O
7.1	O
with	O
updates	O
to	O
the	O
user	O
interface	O
that	O
mimics	O
BlackBerry	B-Application
10	I-Application
,	O
including	O
a	O
new	O
lock	O
screen	O
,	O
redesigned	O
Application	O
Switcher	O
,	O
Music	O
,	O
Pictures	O
,	O
Videos	O
and	O
Phone	O
apps	O
.	O
</s>
<s>
While	O
BlackBerry	B-Operating_System
Limited	O
develops	O
and	O
releases	O
updated	O
versions	O
of	O
its	O
operating	O
system	O
to	O
support	O
each	O
device	O
,	O
it	O
is	O
up	O
to	O
individual	O
carriers	O
to	O
decide	O
if	O
and	O
when	O
a	O
version	O
is	O
released	O
to	O
its	O
users	O
.	O
</s>
<s>
Presently	O
,	O
BlackBerry	B-Application
OS	I-Application
has	O
reached	O
end-of-life	O
.	O
</s>
<s>
Version	O
Supported	O
devices	O
:	O
BlackBerry	B-Operating_System
8000	O
series	O
4.5	O
BlackBerry	B-Operating_System
devices	O
in	O
the	O
8100	O
and	O
8800	O
series	O
,	O
plus	O
BlackBerry	B-Operating_System
Curve	O
8300/8310/8320	O
.	O
</s>
<s>
4.6	O
BlackBerry	B-Operating_System
Pearl	I-Operating_System
Flip	I-Operating_System
.	O
</s>
<s>
5.0	O
BlackBerry	B-Operating_System
Curve	O
8330/8350i/8520/8530/8900	O
.	O
</s>
<s>
Version	O
Supported	O
devices	O
:	O
BlackBerry	B-Operating_System
9000	O
series	O
5.0	O
BlackBerry	B-Application
Bold	I-Application
9000	I-Application
,	O
BlackBerry	B-Application
Storm	I-Application
,	O
BlackBerry	B-Operating_System
Storm	I-Operating_System
2	I-Operating_System
and	O
BlackBerry	B-Operating_System
Tour	O
.	O
</s>
<s>
6.0	O
BlackBerry	B-Application
Bold	I-Application
9650/9700/9780	O
,	O
BlackBerry	B-Operating_System
Curve	O
9300/9330	O
,	O
BlackBerry	B-Operating_System
Pearl	I-Operating_System
9100/9105	O
,	O
BlackBerry	B-Operating_System
Style	O
9670	O
and	O
BlackBerry	B-Application
Torch	I-Application
9800	I-Application
.	O
</s>
<s>
7.0	O
BlackBerry	B-Application
Bold	I-Application
9790/9900/9930	O
,	O
BlackBerry	B-Operating_System
Curve	O
9350/9360/9370/9380	O
and	O
BlackBerry	B-Operating_System
Torch	O
9810/9850/9860	O
.	O
</s>
<s>
7.1BlackBerry	O
Curve	O
9220/9310/9315/9320	O
and	O
BlackBerry	B-Operating_System
9720	O
.	O
</s>
<s>
The	O
following	O
is	O
a	O
list	O
of	O
fonts	O
that	O
are	O
included	O
in	O
some	O
versions	O
of	O
BlackBerry	B-Operating_System
(	O
some	O
of	O
them	O
are	O
not	O
included	O
in	O
older	O
versions	O
)	O
:	O
</s>
<s>
BBAlphaSans	O
and	O
BBAlphaSerif	O
are	O
based	O
on	O
the	O
free	B-Application
software	I-Application
DejaVu	O
fonts	O
.	O
</s>
<s>
On	O
September	O
27	O
,	O
2010	O
,	O
BlackBerry	B-Operating_System
Ltd	O
.	O
announced	O
a	O
new	O
unrelated	O
QNX-based	O
platform	O
,	O
BlackBerry	B-Operating_System
Tablet	B-Device
OS	O
,	O
to	O
run	O
on	O
its	O
BlackBerry	B-Operating_System
PlayBook	O
tablet	B-Device
computer	I-Device
.	O
</s>
