<s>
Nokia	B-Device
Lumia	I-Device
510	I-Device
is	O
a	O
budget	O
Windows	B-Protocol
Phone	I-Protocol
7	O
smartphone	B-Application
developed	O
by	O
Nokia	O
designed	O
specifically	O
for	O
developing	O
markets	O
,	O
such	O
as	O
China	O
,	O
India	O
,	O
Asia-Pacific	O
and	O
Latin	O
America	O
,	O
running	O
the	O
Windows	B-Protocol
Phone	I-Protocol
7.5	O
(	O
later	O
Windows	B-Protocol
Phone	I-Protocol
7.8	O
)	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
The	O
phone	O
shares	O
the	O
limitations	O
of	O
the	O
Nokia	B-Application
Lumia	I-Application
610	I-Application
,	O
like	O
not	O
being	O
able	O
to	O
run	O
all	O
Windows	B-Protocol
Phone	I-Protocol
applications	O
and	O
not	O
being	O
able	O
to	O
run	O
all	O
background	O
tasks	O
.	O
</s>
<s>
Phone	O
Arena	O
has	O
criticized	O
the	O
lack	O
of	O
microSD	O
slot	O
for	O
storage	O
expansion	O
given	O
so	O
little	O
internal	O
storage	O
,	O
the	O
lack	O
of	O
camera	O
flash	B-Device
,	O
the	O
lack	O
of	O
a	O
front-facing	O
camera	O
,	O
the	O
low-resolution	O
video	O
capture	O
and	O
too	O
little	O
RAM	O
memory	O
(	O
256	O
MB	O
RAM	O
)	O
that	O
makes	O
the	O
phone	O
slow	O
and	O
prevents	O
running	O
some	O
applications	O
.	O
</s>
<s>
On	O
25	O
February	O
2013	O
,	O
the	O
Nokia	B-Device
Lumia	I-Device
520	I-Device
,	O
the	O
successor	O
of	O
the	O
Nokia	B-Device
Lumia	I-Device
510	I-Device
,	O
was	O
presented	O
.	O
</s>
<s>
The	O
improvements	O
are	O
Windows	B-Protocol
Phone	I-Protocol
8	O
,	O
dual-core	O
1GHz	O
Qualcomm	O
S4	O
chipset	O
,	O
512MB	O
of	O
RAM	O
,	O
a	O
better	O
IPS	B-Architecture
panel	I-Architecture
display	O
and	O
support	O
for	O
up	O
to	O
64GB	O
microSD	O
cards	O
.	O
</s>
<s>
The	O
Lumia	B-Device
510	I-Device
ships	O
with	O
Windows	B-Protocol
Phone	I-Protocol
7.8	O
.	O
</s>
