<s>
The	O
Nokia	B-Language
E72	I-Language
is	O
a	O
smartphone	B-Application
from	O
the	O
Nokia	B-Language
Eseries	I-Language
range	O
manufactured	O
in	O
Finland	O
.	O
</s>
<s>
The	O
Nokia	B-Language
E72	I-Language
was	O
announced	O
on	O
June	O
15	O
,	O
2009	O
at	O
the	O
Nokia	O
Connections	O
2009	O
event	O
in	O
Singapore	O
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
to	O
the	O
Nokia	B-Language
E71	I-Language
and	O
is	O
based	O
on	O
a	O
similar	O
design	O
and	O
form	O
factor	O
,	O
and	O
offers	O
a	O
similar	O
feature	O
set	O
.	O
</s>
<s>
The	O
Nokia	B-Language
E72	I-Language
is	O
a	O
business-oriented	O
phone	O
(	O
as	O
all	O
Eseries	B-Language
devices	O
)	O
and	O
has	O
standard	O
features	O
including	O
mobile	B-General_Concept
email	I-General_Concept
,	O
calendar	O
and	O
instant	O
messaging	O
among	O
many	O
others	O
with	O
its	O
Symbian-based	O
S60	B-Language
3rd	O
Edition	O
Feature	O
Pack	O
2	O
operating	O
system	O
.	O
</s>
<s>
The	O
Nokia	B-Language
E72	I-Language
has	O
a	O
new	O
Optical	O
Navi	O
Key	O
feature	O
in	O
addition	O
to	O
the	O
standard	O
D-pad	B-Device
used	O
on	O
many	O
other	O
Nokia	O
devices	O
including	O
the	O
Nokia	B-Language
E71	I-Language
–	O
this	O
is	O
said	O
to	O
improve	O
the	O
ease	O
of	O
scrolling	O
through	O
menus	O
,	O
emails	O
,	O
Internet	O
browser	O
,	O
and	O
images	O
as	O
it	O
is	O
an	O
optical	O
sensor	O
in	O
addition	O
to	O
a	O
series	O
of	O
closely	O
spaced	O
buttons	O
.	O
</s>
<s>
In	O
comparison	O
to	O
its	O
predecessor	O
,	O
the	O
Nokia	B-Language
E72	I-Language
is	O
said	O
to	O
have	O
a	O
higher	O
level	O
of	O
performance	O
(	O
likely	O
due	O
to	O
the	O
faster	O
600MHz	O
ARM	B-Architecture
processor	I-Architecture
)	O
and	O
also	O
includes	O
a	O
5-megapixel	O
auto	O
focusing	O
camera	O
.	O
</s>
<s>
Other	O
changes	O
and	O
improvements	O
are	O
software-based	O
including	O
changes	O
to	O
the	O
user	B-Application
interface	I-Application
and	O
built-in	O
messaging	O
application	O
among	O
others	O
.	O
</s>
<s>
The	O
Nokia	B-Language
E73	I-Language
Mode	I-Language
is	O
a	O
USA	O
feature	O
phone	O
for	O
T-Mobile	O
USA	O
,	O
with	O
support	O
for	O
T-Mobile	O
'	O
s	O
UMA	O
service	O
and	O
Band	O
IV	O
support	O
for	O
3G	O
.	O
</s>
<s>
The	O
current	O
firmware	B-Application
of	O
this	O
device	O
is	O
91.004	O
published	O
on	O
2	O
June	O
2012	O
(	O
to	O
check	O
the	O
current	O
firmware	B-Application
,	O
one	O
may	O
dial	O
*	O
#0000	O
#	O
)	O
.	O
</s>
<s>
Symbian	B-Operating_System
OS	I-Operating_System
9.3	O
,	O
Series	B-Language
60	I-Language
v3.2	O
UI	B-Application
,	O
Feature	O
Pack	O
2	O
.	O
</s>
