<s>
The	O
Nokia	B-Language
N78	I-Language
is	O
a	O
3G	B-Architecture
smartphone	B-Application
made	O
by	O
Nokia	O
.	O
</s>
<s>
It	O
runs	O
on	O
Symbian	B-Operating_System
9.3	O
(	O
S60	B-Language
3rd	O
Edition	O
,	O
FP2	O
)	O
and	O
was	O
marketed	O
as	O
a	O
more	O
cheaper	O
Nseries	B-Language
device	O
inside	O
a	O
compact	O
,	O
light	O
body	O
.	O
</s>
<s>
The	O
phone	O
is	O
compatible	O
with	O
the	O
N-Gage	B-Operating_System
2.0	I-Operating_System
mobile	B-Application
gaming	I-Application
service	O
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
of	O
the	O
N73	B-Language
and	O
its	O
design	O
shares	O
similarities	O
with	O
the	O
N81	B-Language
,	O
N82	B-Language
and	O
N96	B-Language
.	O
</s>
<s>
Despite	O
its	O
relatively	O
low	O
price	O
,	O
the	O
Nokia	B-Language
N78	I-Language
does	O
still	O
pack	O
numerous	O
standard	O
Nseries	B-Language
features	O
such	O
as	O
A-GPS	O
,	O
HSDPA	O
and	O
Wi-Fi	O
.	O
</s>
<s>
It	O
has	O
a	O
touch-sensitive	O
Navi	O
wheel	O
like	O
on	O
the	O
N81	B-Language
,	O
and	O
was	O
the	O
first	O
Nokia	O
(	O
and	O
among	O
the	O
first	O
overall	O
,	O
along	O
with	O
Sony	B-Device
Ericsson	I-Device
W980	I-Device
)	O
to	O
feature	O
an	O
FM	O
transmitter	O
.	O
</s>
<s>
Its	O
keypad	B-Device
is	O
hidden	O
in	O
idle	O
mode	O
and	O
lights	O
up	O
when	O
a	O
key	O
is	O
pressed	O
.	O
</s>
<s>
Later	O
in	O
2008	O
,	O
the	O
Nokia	B-Language
N79	I-Language
was	O
introduced	O
.	O
</s>
<s>
The	O
Nokia	B-Language
N78	I-Language
was	O
also	O
the	O
first	O
Nokia	O
phone	O
with	O
the	O
new	O
extended	O
guitar-based	O
version	O
of	O
the	O
Nokia	O
Tune	O
.	O
</s>
