<s>
The	O
BlackBerry	B-Operating_System
Storm	I-Operating_System
2	I-Operating_System
is	O
the	O
second	O
full	O
touchscreen	B-Device
smartphone	B-Application
developed	O
by	O
Research	O
In	O
Motion	O
.	O
</s>
<s>
The	O
BlackBerry	B-Operating_System
Storm	I-Operating_System
2	I-Operating_System
is	O
the	O
first	O
and	O
only	O
smartphone	B-Application
in	O
the	O
world	O
to	O
have	O
a	O
full	O
clickable	O
touchscreen	B-Device
powered	O
by	O
its	O
piezoelectric	B-Algorithm
sensors	I-Algorithm
underneath	O
the	O
screen	O
.	O
</s>
<s>
Unlike	O
the	O
original	B-Application
Storm	I-Application
,	O
the	O
Storm	O
2	O
features	O
Wi-Fi	O
as	O
well	O
as	O
a	O
redesigned	O
outer	O
shell	O
.	O
</s>
<s>
The	O
phone	O
's	O
codename	O
throughout	O
development	O
was	O
"	O
Odin.	O
"	O
</s>
<s>
The	O
model	O
number	O
is	O
9520	O
for	O
the	O
GSM/UMTS/HSPA	O
model	O
offered	O
by	O
Vodafone	O
and	O
9550	O
for	O
the	O
CDMA/EV	O
-DO	O
and	O
UMTS/HSPA	O
model	O
offered	O
by	O
Verizon	B-Application
.	O
</s>
<s>
The	O
Storm	O
2	O
comes	O
with	O
2GB	O
of	O
on-board	O
flash	B-Device
memory	I-Device
—	O
1GB	O
more	O
than	O
the	O
original	O
—	O
and	O
is	O
bundled	O
with	O
a	O
16GB	O
microSD	O
card	O
(	O
though	O
not	O
by	O
Vodafone	O
)	O
.	O
</s>
<s>
When	O
comparing	O
the	O
Storm	O
2	O
with	O
the	O
original	B-Application
Storm	I-Application
,	O
users	O
find	O
the	O
Storm	O
2	O
more	O
user	O
friendly	O
.	O
</s>
<s>
The	O
new	O
screen	O
allows	O
users	O
to	O
type	O
at	O
a	O
faster	O
pace	O
—	O
it	O
supports	O
multi-touch	B-Application
as	O
introduced	O
on	O
the	O
iPhone	B-Device
and	O
available	O
on	O
Android-based	O
devices	O
.	O
</s>
<s>
RIM	O
released	O
specifications	O
on	O
the	O
phone	O
,	O
reporting	O
that	O
256	O
MB	O
of	O
RAM	O
is	O
available	O
for	O
applications	O
,	O
doubling	O
that	O
of	O
the	O
original	B-Application
Storm	I-Application
.	O
</s>
<s>
Instead	O
of	O
one	O
physical	O
button	O
that	O
lies	O
in	O
the	O
direct	O
center	O
of	O
the	O
screen	O
,	O
the	O
Storm	O
2	O
has	O
four	O
piezoelectric	B-Algorithm
sensors	I-Algorithm
located	O
on	O
the	O
four	O
outer	O
corners	O
of	O
the	O
screen	O
that	O
allow	O
for	O
confirmation	O
of	O
input	O
.	O
</s>
<s>
It	O
ships	O
with	O
BlackBerry	B-Operating_System
5.0	O
OS	O
.	O
</s>
<s>
The	O
phone	O
's	O
SureType	B-Application
screen	O
,	O
which	O
was	O
heavily	O
criticized	O
on	O
the	O
original	B-Application
Storm	I-Application
,	O
has	O
been	O
revamped	O
and	O
improved	O
.	O
</s>
<s>
The	O
Storm	O
2	O
also	O
supports	O
OpenGL	B-Application
ES	I-Application
.	O
</s>
<s>
The	O
BlackBerry	B-Operating_System
Storm	I-Operating_System
2	I-Operating_System
by	O
default	O
is	O
SIM	O
locked	O
in	O
many	O
regions	O
of	O
the	O
world	O
,	O
and	O
can	O
be	O
subsequently	O
unlocked	O
on	O
both	O
the	O
9520	O
and	O
9550	O
to	O
use	O
on	O
any	O
GSM	O
network	O
if	O
the	O
code	O
is	O
obtained	O
from	O
the	O
respective	O
provider	O
.	O
</s>
