<s>
Nokia	B-Application
Lumia	I-Application
800	I-Application
(	O
codenamed	O
'	O
Sea	O
Ray	O
 '	O
)	O
is	O
a	O
smartphone	B-Application
from	O
Nokia	O
,	O
first	O
unveiled	O
on	O
26	O
October	O
2011	O
at	O
the	O
Nokia	O
World	O
2011	O
event	O
.	O
</s>
<s>
It	O
originally	O
ran	O
on	O
Windows	B-Protocol
Phone	I-Protocol
7.5	O
"	O
Mango	O
"	O
and	O
was	O
Nokia	O
's	O
first	O
device	O
to	O
run	O
the	O
Windows	B-Protocol
Phone	I-Protocol
operating	O
system	O
marking	O
the	O
company	O
's	O
shift	O
from	O
Symbian	B-Operating_System
for	O
their	O
smartphones	B-Application
.	O
</s>
<s>
Lumia	B-Application
800	I-Application
shares	O
its	O
design	O
with	O
the	O
previously	O
released	O
MeeGo-based	O
Nokia	B-Operating_System
N9	I-Operating_System
and	O
it	O
was	O
originally	O
Meego	B-Operating_System
CDMA-variant	O
for	O
Verizon	O
with	O
codename	O
RM-716	O
Searay	O
.	O
</s>
<s>
The	O
outward	O
differences	O
are	O
one	O
added	O
physical	O
button	O
dedicated	O
to	O
the	O
camera	O
on	O
the	O
right	O
side	O
of	O
the	O
phone	O
,	O
and	O
a	O
dual	O
LED	O
flash	B-Device
moved	O
directly	O
above	O
the	O
Carl	O
Zeiss	O
camera	O
lens	O
.	O
</s>
<s>
Despite	O
a	O
similar	O
exterior	O
,	O
the	O
Lumia	B-Application
800	I-Application
has	O
a	O
different	O
interior	O
than	O
N9	O
.	O
</s>
<s>
Lumia	B-Application
800	I-Application
's	O
chipset	O
comes	O
from	O
Qualcomm	O
,	O
whereas	O
the	O
N9	O
is	O
based	O
on	O
a	O
Texas	B-Device
Instruments	I-Device
OMAP	I-Device
chipset	O
and	O
CPU	B-General_Concept
.	O
</s>
<s>
Like	O
the	O
N9	O
,	O
it	O
has	O
a	O
convex-curved	O
Gorilla	O
Glass	O
AMOLED	B-Algorithm
PenTile	O
screen	O
with	O
a	O
ClearBlack	O
antiglare	O
filter	O
.	O
</s>
<s>
The	O
screen	O
diagonal	O
is	O
3.7inches	O
(	O
800	O
x	O
480	O
pixels	B-Algorithm
)	O
,	O
compared	O
with	O
3.9inches	O
(	O
854	O
x	O
480	O
pixels	B-Algorithm
)	O
for	O
N9	O
,	O
to	O
conform	O
with	O
the	O
Windows	B-Protocol
Phone	I-Protocol
specifications	O
list	O
,	O
which	O
includes	O
three	O
capacitive	O
softkeys	O
placed	O
under	O
the	O
glass	O
.	O
</s>
<s>
It	O
was	O
replaced	O
as	O
the	O
flagship	O
by	O
Nokia	B-Device
Lumia	I-Device
900	I-Device
,	O
which	O
was	O
originally	O
released	O
for	O
the	O
American	O
market	O
through	O
AT&T	O
before	O
its	O
worldwide	O
release	O
.	O
</s>
<s>
On	O
5	O
September	O
2012	O
,	O
the	O
Nokia	B-Device
Lumia	I-Device
820	I-Device
,	O
the	O
successor	O
of	O
the	O
Nokia	B-Application
Lumia	I-Application
800	I-Application
,	O
was	O
presented	O
.	O
</s>
<s>
The	O
improvements	O
are	O
Windows	B-Protocol
Phone	I-Protocol
8	O
,	O
dual	O
core	O
processor	O
,	O
front	O
camera	O
,	O
wireless	O
charging	O
option	O
,	O
exchangeable	O
covers	O
,	O
and	O
bigger	O
screen	O
.	O
</s>
<s>
A	O
"	O
Sea	O
Ray	O
"	O
prototype	O
smartphone	B-Application
was	O
presented	O
by	O
Nokia	O
CEO	O
Stephen	O
Elop	O
at	O
a	O
private	O
gathering	O
in	O
Espoo	O
on	O
23	O
June	O
2011	O
,	O
two	O
days	O
after	O
the	O
introduction	O
of	O
the	O
Nokia	B-Operating_System
N9	I-Operating_System
in	O
Singapore	O
.	O
</s>
<s>
The	O
device	O
's	O
design	O
was	O
pretty	O
much	O
the	O
same	O
as	O
the	O
N9	O
,	O
except	O
that	O
it	O
functionally	O
ran	O
on	O
Windows	B-Protocol
Phone	I-Protocol
7.5	O
(	O
"	O
Mango	O
"	O
update	O
)	O
.	O
</s>
<s>
The	O
Lumia	B-Application
800	I-Application
device	O
comes	O
with	O
four	O
Nokia-exclusive	O
applications	O
not	O
included	O
by	O
the	O
default	O
Windows	B-Protocol
Phone	I-Protocol
OS	I-Protocol
:	O
Nokia	O
Drive	O
,	O
a	O
free	O
turn-by-turn	O
navigation	O
system	O
;	O
Nokia	B-Application
Maps	I-Application
;	O
Nokia	O
Music	O
,	O
a	O
free	O
streaming	O
music	O
service	O
and	O
music	O
store	O
;	O
and	O
App	O
Highlights	O
,	O
a	O
service	O
suggesting	O
software	O
based	O
on	O
location	O
and	O
operator	O
.	O
</s>
<s>
The	O
files	O
created	O
can	O
be	O
stored	O
on	O
Microsoft	O
's	O
SkyDrive	B-Application
cloud	O
service	O
,	O
on	O
the	O
phone	O
itself	O
,	O
and	O
other	O
areas	O
.	O
</s>
<s>
In	O
addition	O
to	O
pre-installed	O
Nokia-exclusive	O
Windows	B-Protocol
Phone	I-Protocol
applications	O
,	O
the	O
Windows	B-Protocol
Phone	I-Protocol
Marketplace	O
contains	O
a	O
Nokia	O
Collection	O
section	O
.	O
</s>
<s>
Just	O
like	O
the	O
Lumia	B-Device
900	I-Device
,	O
the	O
800	O
comes	O
with	O
a	O
diagnostic	O
tool	O
.	O
</s>
<s>
On	O
this	O
diagnostic	O
tool	O
,	O
a	O
user	O
can	O
run	O
tests	O
on	O
the	O
following	O
:	O
Accelerometer	O
,	O
ALS	O
,	O
audio	O
loopback	O
,	O
camera	O
,	O
battery	O
status	O
,	O
DTMF	O
,	O
gyroscope	B-Application
,	O
hardware	O
buttons	O
,	O
headset	O
detection	O
,	O
LCD	O
white	O
,	O
lights	O
,	O
life	O
timer	O
,	O
magnetometer	O
,	O
power	O
source	O
,	O
proximity	O
,	O
speaker	O
,	O
touch	O
and	O
vibration	O
.	O
</s>
<s>
According	O
to	O
Microsoft	O
,	O
due	O
to	O
platform	O
architecture	O
change	O
,	O
WP7	O
phones	O
,	O
based	O
on	O
the	O
CE	B-Operating_System
kernel	O
,	O
will	O
not	O
be	O
upgradeable	O
to	O
Windows	B-Protocol
Phone	I-Protocol
8	O
,	O
based	O
on	O
the	O
NT	B-Device
kernel	O
,	O
which	O
was	O
released	O
in	O
the	O
fall	O
of	O
2012	O
.	O
</s>
<s>
Instead	O
,	O
Microsoft	O
has	O
released	O
Windows	B-Protocol
Phone	I-Protocol
7.8	O
in	O
January	O
2013	O
,	O
which	O
includes	O
some	O
WP8	O
features	O
for	O
existing	O
WP7	O
phones	O
.	O
</s>
<s>
The	O
Lumia	B-Application
800	I-Application
device	O
was	O
presented	O
along	O
with	O
Lumia	B-Application
710	I-Application
by	O
Nokia	O
's	O
CEO	O
Stephen	O
Elop	O
at	O
the	O
Nokia	O
World	O
conference	O
in	O
London	O
October	O
2011	O
.	O
</s>
<s>
In	O
the	O
presentation	O
referred	O
to	O
their	O
devices	O
as	O
'	O
the	O
first	O
real	O
Windows	B-Protocol
Phones	I-Protocol
 '	O
.	O
</s>
<s>
Nokia	O
outsourced	O
the	O
production	O
of	O
its	O
Qualcomm-based	O
Lumia	B-Application
800	I-Application
to	O
Compal	O
Electronics	O
.	O
</s>
<s>
Future	O
models	O
,	O
starting	O
from	O
Lumia	B-Application
710	I-Application
,	O
would	O
be	O
built	O
in	O
a	O
Nokia	O
factory	O
,	O
according	O
to	O
the	O
same	O
source	O
.	O
</s>
<s>
The	O
Lumia	B-Application
800	I-Application
was	O
released	O
in	O
Canada	O
but	O
not	O
the	O
United	O
States	O
.	O
</s>
<s>
On	O
9	O
January	O
2012	O
,	O
the	O
Nokia	B-Device
Lumia	I-Device
900	I-Device
was	O
announced	O
as	O
a	O
parallel	O
model	O
with	O
a	O
gyroscope	B-Application
,	O
LTE	O
support	O
,	O
a	O
larger	O
display	O
,	O
front-facing	O
camera	O
for	O
video	O
conferencing	O
,	O
and	O
its	O
main	O
(	O
back	O
)	O
camera	O
improved	O
for	O
focus	O
and	O
color	O
balance	O
,	O
additional	O
features	O
over	O
the	O
800	O
that	O
would	O
make	O
it	O
better	O
appeal	O
to	O
American	O
consumers	O
.	O
</s>
<s>
European	O
carriers	O
have	O
stated	O
that	O
Nokia	O
Lumia	O
phones	O
are	O
not	O
good	O
enough	O
to	O
compete	O
with	O
Apple	O
iPhone	B-Operating_System
or	O
Samsung	O
Galaxy	O
phones	O
,	O
that	O
"	O
they	O
are	O
overpriced	O
for	O
what	O
is	O
not	O
an	O
innovative	O
product	O
"	O
and	O
that	O
"	O
No	O
one	O
comes	O
into	O
the	O
store	O
and	O
asks	O
for	O
a	O
Windows	B-Protocol
phone	I-Protocol
"	O
.	O
</s>
<s>
Nokia	B-Application
Lumia	I-Application
800	I-Application
won	O
the	O
"	O
Editor	O
's	O
Choice	O
"	O
award	O
of	O
2011	O
from	O
What	O
Mobile	O
magazine	O
.	O
</s>
<s>
Their	O
review	O
rated	O
it	O
5/5	O
,	O
commending	O
that	O
"[t]he	O
Lumia	B-Application
800	I-Application
is	O
a	O
massive	O
step	O
forward	O
for	O
Nokia	O
and	O
sits	O
apart	O
in	O
an	O
increasingly	O
crowded	O
market	O
.	O
</s>
<s>
Alongside	O
Windows	B-Protocol
Phone	I-Protocol
Mango	O
,	O
there	O
's	O
enough	O
inside	O
the	O
Lumia	B-Application
800	I-Application
to	O
worry	O
rivals	O
and	O
make	O
iPhone	B-Operating_System
fans	O
jealous.	O
"	O
</s>
<s>
Brian	O
Klug	O
of	O
AnandTech	O
in	O
his	O
review	O
wrote	O
:	O
"	O
The	O
Lumia	B-Application
800	I-Application
is	O
indubitably	O
the	O
best	O
Windows	B-Protocol
Phone	I-Protocol
hardware	O
out	O
there	O
right	O
now	O
,	O
"	O
with	O
notable	O
features	O
such	O
as	O
"[a]	O
camera	O
without	O
compromises	O
,	O
hardware	O
build	O
quality	O
that	O
's	O
unique	O
and	O
solid	O
,	O
Nokia	O
's	O
attention	O
to	O
detail	O
...	O
"	O
With	O
regard	O
to	O
the	O
device	O
's	O
shortcomings	O
,	O
Klug	O
mentioned	O
"	O
lack	O
of	O
USB	B-Protocol
or	O
external	O
storage	O
,	O
a	O
still	O
fledgling	O
application	O
ecosystem	O
,	O
and	O
a	O
few	O
others.	O
"	O
</s>
<s>
Regarding	O
the	O
camera	O
,	O
Brian	O
Klug	O
added	O
:	O
"	O
Lumia	B-Application
800	I-Application
's	O
camera	O
comes	O
out	O
looking	O
very	O
good	O
against	O
the	O
rest	O
of	O
the	O
8MP	O
competition	O
,	O
and	O
for	O
me	O
this	O
is	O
the	O
first	O
F/2.2	O
8	O
MP	O
shooter	O
I	O
've	O
come	O
across	O
.	O
</s>
<s>
In	O
an	O
Engadget	B-Application
review	O
,	O
Sharif	O
Sakr	O
wrote	O
:	O
"	O
Nokia	O
's	O
Lumia	B-Application
800	I-Application
is	O
a	O
sophisticated	O
and	O
capable	O
smartphone	B-Application
that	O
melds	O
its	O
hardware	O
beautifully	O
with	O
the	O
Windows	O
Phone	O
OS.	O
"	O
</s>
<s>
Sakr	O
writes	O
that	O
while	O
the	O
phone	O
lacked	O
features	O
like	O
USB	B-Protocol
mass	O
storage	O
and	O
expandable	O
storage	O
,	O
the	O
phone	O
is	O
welcome	O
for	O
those	O
who	O
want	O
to	O
be	O
"	O
part	O
of	O
a	O
carefully	O
crafted	O
,	O
simple	O
and	O
generally	O
happy	O
emerging	O
ecosystem.	O
"	O
</s>
<s>
PC	O
World	O
reported	O
that	O
Nokia	B-Application
Lumia	I-Application
800	I-Application
has	O
solid	O
guts	O
and	O
shiny	O
looks	O
,	O
and	O
was	O
an	O
"	O
interesting	O
proposal	O
"	O
,	O
though	O
they	O
also	O
said	O
it	O
had	O
"	O
nothing	O
extraordinary	O
to	O
offer	O
"	O
when	O
compared	O
to	O
the	O
highest-end	O
models	O
of	O
Samsung	B-Application
Galaxy	I-Application
Nexus	I-Application
,	O
Motorola	B-Application
Droid	I-Application
RAZR	I-Application
,	O
or	O
the	O
more	O
expensive	O
iPhone	B-Operating_System
4S	I-Operating_System
in	O
hardware	O
and	O
software	O
.	O
</s>
<s>
Cnet	O
UK	O
noted	O
that	O
"	O
overall	O
,	O
the	O
Lumia	B-Application
800	I-Application
is	O
a	O
very	O
good	O
handset	O
.	O
</s>
<s>
The	O
Windows	B-Protocol
Phone	I-Protocol
software	O
is	O
slick	O
and	O
fun	O
to	O
use	O
,	O
especially	O
if	O
you	O
like	O
to	O
keep	O
up-to-date	O
with	O
what	O
friends	O
are	O
up	O
to	O
on	O
social	O
networking	O
sites	O
.	O
</s>
<s>
CNET	O
UK	O
made	O
a	O
camera	O
comparison	O
with	O
current	O
(	O
as	O
of	O
early	O
2012	O
)	O
high-end	O
phones	O
iPhone	B-Operating_System
4S	I-Operating_System
and	O
Samsung	B-Application
Galaxy	I-Application
S	I-Application
II	I-Application
,	O
and	O
wrote	O
that	O
Lumia	B-Application
800	I-Application
"	O
did	O
n't	O
offer	O
the	O
quality	O
of	O
camera	O
we	O
were	O
hoping	O
for.	O
"	O
</s>
<s>
Ketaki	O
Bhojnagarwala	O
in	O
The	O
Hindu	O
review	O
wrote	O
,	O
"	O
The	O
Lumia	B-Application
800	I-Application
is	O
n't	O
perfect	O
,	O
but	O
its	O
one	O
of	O
the	O
best	O
products	O
that	O
Nokia	O
has	O
released	O
in	O
the	O
market	O
in	O
recent	O
months	O
.	O
</s>
<s>
In	O
an	O
opinion	O
review	O
by	O
Matthew	O
Baxter-Reynolds	O
of	O
The	O
Guardian	O
,	O
after	O
using	O
Nokia	B-Application
Lumia	I-Application
800	I-Application
for	O
a	O
month	O
and	O
being	O
a	O
previous	O
iPhone	B-Operating_System
user	O
,	O
he	O
argued	O
that	O
Lumia	B-Application
800	I-Application
is	O
not	O
up	O
to	O
an	O
iPhone	B-Operating_System
.	O
</s>
<s>
In	O
summary	O
,	O
he	O
wrote	O
:	O
"	O
I	O
really	O
wanted	O
Windows	B-Protocol
Phone	I-Protocol
to	O
work	O
for	O
me	O
.	O
</s>
<s>
Nokia	B-Application
Lumia	I-Application
800	I-Application
is	O
claimed	O
to	O
have	O
"	O
sound	O
quality	O
problems	O
"	O
when	O
using	O
low	O
impedance	O
headphones	O
like	O
the	O
supplied	O
ones	O
.	O
</s>
<s>
In	O
December	O
2011	O
,	O
Nokia	O
confirmed	O
that	O
some	O
Lumia	B-Application
800	I-Application
devices	O
do	O
not	O
use	O
the	O
full	O
capacity	O
of	O
their	O
battery	O
.	O
</s>
<s>
They	O
also	O
state	O
that	O
"	O
only	O
a	O
charger	O
with	O
an	O
output	O
of	O
1000mA	O
will	O
fully	O
charge	O
your	O
Lumia	B-Application
800	I-Application
battery.	O
"	O
</s>
<s>
During	O
19	O
–	O
20	O
January	O
2012	O
,	O
two	O
updates	O
were	O
made	O
available	O
—	O
battery	O
related	O
software	O
update	O
and	O
another	O
of	O
Windows	B-Protocol
Phone	I-Protocol
7.5	O
Mango	O
build	O
8107	O
.	O
</s>
<s>
Like	O
other	O
Windows	B-Protocol
Phone	I-Protocol
devices	O
,	O
Lumia	B-Application
800	I-Application
uses	O
Microsoft	O
's	O
Zune	B-Library
software	O
on	O
Windows	O
PCs	O
to	O
synchronize	O
user	O
content	O
.	O
</s>
<s>
For	O
Mac	O
OS	O
X	O
,	O
the	O
device	O
can	O
be	O
synchronized	O
with	O
Windows	B-Protocol
Phone	I-Protocol
7	O
Connector	O
software	O
.	O
</s>
<s>
Lumia	B-Application
800	I-Application
includes	O
the	O
Windows	B-Protocol
Phone	I-Protocol
feature	O
of	O
up	O
to	O
25GB	O
free	O
OneDrive	B-Application
storage	O
in	O
Microsoft	O
's	O
cloud	O
service	O
.	O
</s>
