<s>
The	O
Nokia	B-Application
N900	I-Application
is	O
a	O
smartphone	B-Application
made	O
by	O
Nokia	O
.	O
</s>
<s>
It	O
supersedes	O
the	O
Nokia	B-Language
N810	I-Language
.	O
</s>
<s>
Its	O
default	O
operating	B-General_Concept
system	I-General_Concept
,	O
Maemo	B-Operating_System
5	O
,	O
is	O
a	O
Linux-based	O
OS	O
originally	O
developed	O
for	O
the	O
Nokia	B-Application
770	I-Application
Internet	I-Application
Tablet	I-Application
.	O
</s>
<s>
It	O
is	O
the	O
first	O
Nokia	O
device	O
based	O
upon	O
the	O
Texas	O
Instruments	O
OMAP3	O
microprocessor	B-Architecture
with	O
the	O
ARM	B-Application
Cortex-A8	I-Application
core	O
.	O
</s>
<s>
Unlike	O
the	O
three	O
Nokia	O
Internet	B-Device
tablets	I-Device
preceding	O
it	O
,	O
the	O
Nokia	B-Application
N900	I-Application
is	O
the	O
first	O
Maemo	B-Operating_System
device	O
to	O
include	O
phone	O
functionality	O
(	O
quad-band	O
GSM	O
and	O
3G	B-Architecture
UMTS/HSDPA	O
)	O
.	O
</s>
<s>
The	O
N900	B-Application
functions	O
as	O
a	O
mobile	B-Device
Internet	I-Device
device	I-Device
,	O
and	O
includes	O
email	O
,	O
web	O
browsing	O
and	O
access	O
to	O
online	O
services	O
,	O
a	O
5-megapixel	O
digital	B-Device
camera	I-Device
for	O
still	O
or	O
video	O
photography	O
,	O
a	O
portable	O
media	O
player	O
for	O
music	O
and	O
video	O
,	O
calculator	B-Application
,	O
games	O
console	O
and	O
word	B-General_Concept
processor	I-General_Concept
,	O
SMS	B-Device
,	O
as	O
well	O
as	O
mobile	O
telephony	O
using	O
either	O
a	O
mobile	O
network	O
or	O
VoIP	B-Application
via	O
Internet	O
(	O
mobile	O
or	O
Wi-Fi	O
)	O
.	O
</s>
<s>
Maemo	B-Operating_System
provides	O
an	O
X-terminal	O
interface	O
for	O
interacting	O
with	O
the	O
core	O
operating	B-General_Concept
system	I-General_Concept
.	O
</s>
<s>
The	O
N900	B-Application
was	O
launched	O
alongside	O
Maemo	B-Operating_System
5	O
,	O
giving	O
the	O
device	O
an	O
overall	O
more	O
touch-friendly	O
interface	O
than	O
its	O
predecessors	O
and	O
a	O
customizable	O
home	O
screen	O
which	O
mixes	O
application	O
icons	O
with	O
shortcuts	O
and	O
widgets	O
.	O
</s>
<s>
Maemo	B-Operating_System
5	O
supports	O
Adobe	B-Operating_System
Flash	I-Operating_System
Player	I-Operating_System
9.4	O
,	O
and	O
includes	O
many	O
applications	O
designed	O
specifically	O
for	O
the	O
mobile	B-Application
platform	I-Application
such	O
as	O
a	O
new	O
touch-friendly	O
media	O
player	O
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
was	O
announced	O
on	O
17	O
September	O
2008	O
during	O
a	O
keynote	O
presentation	O
by	O
Ari	O
Jaaksi	O
of	O
Nokia	O
.	O
</s>
<s>
New	O
supported	O
features	O
were	O
announced	O
for	O
Maemo	B-Operating_System
5	O
such	O
as	O
cellular	O
connectivity	O
over	O
3G/HSPA	O
,	O
TI	O
OMAP3	O
processor	O
and	O
high	O
definition	O
camera	O
support	O
.	O
</s>
<s>
No	O
news	O
on	O
backward	O
compatibility	O
for	O
older	O
Internet	B-Device
Tablets	I-Device
and	O
no	O
time	O
frame	O
was	O
established	O
.	O
</s>
<s>
The	O
release	O
of	O
the	O
pre-alpha	O
Maemo	B-Operating_System
5	O
software	B-Application
development	I-Application
kit	I-Application
,	O
in	O
December	O
2008	O
targeted	O
exclusively	O
the	O
OMAP3	O
architecture	O
,	O
revamped	O
the	O
user	B-Application
interface	I-Application
,	O
included	O
support	O
for	O
hardware	B-Architecture
graphics	I-Architecture
acceleration	I-Architecture
and	O
other	O
functionalities	O
not	O
found	O
in	O
Internet	B-Device
Tablets	I-Device
at	O
the	O
time	O
such	O
as	O
cellular	O
data	O
connectivity	O
and	O
high	O
definition	O
camera	O
support	O
.	O
</s>
<s>
The	O
first	O
photo	O
and	O
specifications	O
of	O
the	O
N900	B-Application
,	O
codenamed	O
Rover	O
while	O
being	O
developed	O
,	O
came	O
out	O
in	O
May	O
2009	O
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
was	O
officially	O
announced	O
on	O
2	O
September	O
2009	O
at	O
Nokia	O
World	O
2009	O
in	O
Germany	O
.	O
</s>
<s>
Nokia	O
says	O
it	O
is	O
step	O
4	O
of	O
5	O
in	O
the	O
line	O
of	O
Maemo	B-Operating_System
devices	O
which	O
started	O
in	O
2005	O
with	O
the	O
Nokia	B-Application
770	I-Application
.	O
</s>
<s>
As	O
of	O
March	O
2010	O
the	O
Nokia	O
site	O
in	O
Australia	O
lists	O
the	O
N900	B-Application
on	O
the	O
homepage	O
,	O
hinting	O
at	O
launch	O
some	O
time	O
in	O
the	O
near	O
future	O
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
launched	O
in	O
Hong	O
Kong	O
on	O
29	O
May	O
2010	O
,	O
with	O
added	O
features	O
to	O
facilitate	O
character	O
handwriting	O
input	O
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
is	O
powered	O
by	O
OMAP	O
3430	O
ARM	B-Application
Cortex-A8	I-Application
,	O
which	O
is	O
a	O
system-on-a-chip	B-Architecture
made	O
by	O
Texas	O
Instruments	O
based	O
on	O
a	O
65nanometer	O
CMOS	O
process	O
.	O
</s>
<s>
The	O
OMAP	O
3430	O
is	O
composed	O
of	O
three	O
microprocessors	B-Architecture
;	O
the	O
Cortex	B-Application
A8	I-Application
running	O
at	O
600MHz	O
(	O
up	O
to	O
1.15GHz	O
with	O
correct	O
overclocking	O
)	O
used	O
to	O
run	O
the	O
OS	O
and	O
applications	O
,	O
the	O
PowerVR	B-Device
SGX530	O
GPU	B-Architecture
made	O
by	O
Imagination	O
Technologies	O
which	O
supports	O
OpenGL	B-Application
ES	I-Application
2.0	O
and	O
is	O
capable	O
of	O
up	O
to	O
14	O
MPolys/s	O
and	O
a	O
TMS320C64x	O
,	O
the	O
digital	B-Architecture
signal	I-Architecture
processors	I-Architecture
,	O
running	O
at	O
430MHz	O
used	O
to	O
run	O
the	O
image	O
processing	O
(	O
camera	O
)	O
,	O
audio	O
processing	O
(	O
telephony	O
)	O
and	O
data	O
transmission	O
.	O
</s>
<s>
The	O
TMS320	B-Architecture
C64x	O
main	O
purpose	O
is	O
to	O
offload	O
the	O
Cortex	B-Application
A8	I-Application
from	O
having	O
to	O
process	O
audio	O
and	O
video	O
signal	O
.	O
</s>
<s>
Moreover	O
,	O
the	O
OMAP	O
3430	O
on	O
some	O
N900	B-Application
devices	O
has	O
been	O
successfully	O
over-clocked	O
up	O
to	O
1150MHz	O
by	O
using	O
a	O
modified	O
kernel	B-Operating_System
and	O
editing	O
the	O
kernel	B-Operating_System
power	O
configuration	O
file	O
.	O
</s>
<s>
This	O
provides	O
a	O
total	O
of	O
1GB	O
of	O
virtual	B-Architecture
memory	I-Architecture
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
has	O
a	O
resistive	B-Device
touchscreen	I-Device
with	O
a	O
resolution	O
of	O
800	O
×	O
480	O
pixels	O
(	O
WVGA	O
,	O
267	O
ppi	B-Algorithm
)	O
.	O
</s>
<s>
Nokia	B-Application
N900	I-Application
camera	O
capability	O
is	O
2592x1944	O
pixels	O
,	O
Carl	O
Zeiss	O
optics	O
,	O
autofocus	O
,	O
Dual	O
LED	O
flash	O
,	O
video	O
light	O
,	O
geo-tagging	O
The	O
LCD	B-Device
is	O
transflective	B-General_Concept
to	O
permit	O
usability	O
over	O
a	O
wide	O
range	O
of	O
luminosity	O
(	O
from	O
daylight	O
to	O
dark	O
)	O
.	O
</s>
<s>
Haptic	B-Device
feedback	I-Device
is	O
provided	O
to	O
touchscreen	O
input	O
by	O
applying	O
a	O
small	O
vibration	O
or	O
a	O
sound	O
;	O
the	O
user	O
can	O
choose	O
whether	O
to	O
have	O
this	O
feature	O
enabled	O
.	O
</s>
<s>
A	O
stylus	O
is	O
provided	O
to	O
allow	O
more	O
precise	O
touch	O
input	O
and	O
access	O
to	O
smaller	O
user	B-Application
interface	I-Application
elements	O
.	O
</s>
<s>
There	O
is	O
a	O
proximity	B-Device
sensor	I-Device
which	O
deactivates	O
the	O
display	O
and	O
touchscreen	O
when	O
the	O
device	O
is	O
brought	O
near	O
the	O
face	O
during	O
a	O
call	O
.	O
</s>
<s>
The	O
slide-out	O
4-row	O
keyboard	B-Device
and	O
D-pad	B-Device
of	O
the	O
Nokia	B-Language
N810	I-Language
have	O
been	O
replaced	O
on	O
the	O
Nokia	B-Application
N900	I-Application
with	O
a	O
slide-out	O
3-row	O
backlit	O
keyboard	B-Device
with	O
arrow	O
keys	O
(	O
as	O
with	O
previous	O
Internet	B-Device
Tablets	I-Device
,	O
an	O
on-screen	O
keyboard	B-Device
is	O
also	O
available	O
)	O
.	O
</s>
<s>
In	O
addition	O
to	O
the	O
English	O
QWERTY	O
layout	O
,	O
the	O
slide	O
out	O
keyboard	B-Device
will	O
be	O
available	O
in	O
variants	O
for	O
Italian	O
,	O
French	O
,	O
German	O
,	O
Russian	O
,	O
Czech	O
,	O
Nordic	O
(	O
Finnish	O
,	O
Swedish	O
)	O
,	O
and	O
Spanish	O
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
has	O
an	O
ambient	O
light	O
sensor	O
that	O
adjusts	O
the	O
display	O
brightness	O
and	O
activates	O
the	O
backlit	O
keyboard	B-Device
.	O
</s>
<s>
The	O
device	O
has	O
an	O
autonomous	O
GPS	O
with	O
optional	O
A-GPS	O
functionality	O
and	O
comes	O
pre-loaded	O
with	O
the	O
Ovi	B-Application
Maps	I-Application
application	O
.	O
</s>
<s>
Ovi	B-Application
Maps	I-Application
provides	O
typical	O
mapping	O
features	O
such	O
as	O
alternate	O
views	O
(	O
3D	O
landmarks	O
,	O
satellite	O
,	O
and	O
hybrid	O
maps	O
)	O
,	O
address/places	O
of	O
interest	O
searching	O
,	O
and	O
route	O
planning	O
,	O
although	O
it	O
does	O
not	O
have	O
turn-by-turn	B-Application
navigation	I-Application
yet	O
.	O
</s>
<s>
The	O
5-megapixel	O
back	O
camera	O
has	O
an	O
autofocus	O
feature	O
,	O
dual	O
LED	O
flash	O
,	O
4:3	O
and	O
16:9	O
aspect	O
ratio	O
options	O
,	O
and	O
3×	O
digital	B-Algorithm
zoom	I-Algorithm
.	O
</s>
<s>
The	O
focal	B-Algorithm
length	I-Algorithm
of	O
this	O
camera	O
is	O
5.2mm	O
,	O
the	O
aperture	B-General_Concept
is	O
f/2.8	O
,	O
and	O
the	O
focus	O
range	O
is	O
10cm	O
to	O
infinity	O
.	O
</s>
<s>
Although	O
the	O
0.3-megapixel	O
front	O
camera	O
is	O
capable	O
of	O
video	O
recording	O
at	O
up	O
to	O
640	O
×	O
480	O
pixels	O
and	O
pre-production	O
units	O
could	O
be	O
used	O
for	O
video	O
calls	O
over	O
IP	O
using	O
Google	B-Application
Talk	I-Application
,	O
the	O
retail	O
version	O
was	O
delivered	O
without	O
any	O
software	O
enabling	O
video	O
calling	O
or	O
video	O
chatting	O
.	O
</s>
<s>
In	O
update	O
PR1.2	O
OTA	O
(	O
over-the-air	O
)	O
Skype	B-Application
video	I-Application
calling	O
was	O
added	O
,	O
enabling	O
the	O
fascia	O
camera	O
.	O
</s>
<s>
As	O
the	O
Nokia	B-Application
N900	I-Application
has	O
fewer	O
hardware	O
buttons	O
,	O
it	O
makes	O
use	O
of	O
the	O
touchscreen	O
to	O
display	O
on-screen	O
buttons	O
,	O
for	O
example	O
,	O
to	O
accept	O
,	O
reject	O
and	O
end	O
a	O
call	O
.	O
</s>
<s>
The	O
N900	B-Application
has	O
a	O
microphone	B-Application
and	O
stereo	O
speakers	O
located	O
on	O
each	O
side	O
of	O
the	O
device	O
.	O
</s>
<s>
There	O
is	O
a	O
3.5mm	O
four-contact	O
TRRS	B-Device
connector	O
which	O
simultaneously	O
provides	O
stereo	O
audio	O
output	O
and	O
either	O
microphone	B-Application
input	O
or	O
video	O
output	O
.	O
</s>
<s>
PAL	B-Language
and	O
NTSC	O
TV	O
out	O
is	O
possible	O
using	O
a	O
Nokia	O
Video	O
Connectivity	O
Cable	O
(	O
included	O
upon	O
purchase	O
)	O
or	O
a	O
standard	O
TRRS	B-Device
->	O
3x	O
RCA	B-Protocol
cable	I-Protocol
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
,	O
unlike	O
previous	O
versions	O
of	O
Nokia	O
's	O
Internet	B-Device
Tablet	I-Device
,	O
has	O
n't	O
enabled	O
support	O
for	O
USB	O
On-The-Go	O
(	O
the	O
ability	O
to	O
act	O
as	O
a	O
USB	O
host	O
)	O
by	O
default	O
,	O
this	O
in	O
order	O
to	O
meet	O
the	O
deadlines	O
for	O
production	O
and	O
USB	O
certification	O
.	O
</s>
<s>
Requiring	O
a	O
non-standard	O
USB	O
cable	O
or	O
USB	O
A-A	O
adapter	O
and	O
software	O
from	O
the	O
development	O
repository	B-Application
.	O
</s>
<s>
The	O
built-in	O
Bluetooth	B-Protocol
v2.1	O
supports	O
wireless	O
earpieces	O
and	O
headphones	O
through	O
the	O
HSP	O
profile	O
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
supports	O
hardware	O
capable	O
of	O
stereo	O
audio	O
output	O
with	O
the	O
A2DP	O
profile	O
.	O
</s>
<s>
The	O
DUN	O
profile	O
which	O
permits	O
access	O
to	O
the	O
Internet	O
from	O
a	O
laptop	O
by	O
dialing	O
up	O
on	O
a	O
mobile	O
phone	O
wirelessly	O
(	O
tethering	O
)	O
,	O
the	O
HID	O
profile	O
which	O
provides	O
support	O
for	O
devices	O
such	O
as	O
Bluetooth	B-Protocol
keyboards	B-Device
and	O
PAN	O
profile	O
for	O
networking	O
using	O
Bluetooth	B-Protocol
are	O
unsupported	O
but	O
can	O
be	O
enabled	O
.	O
</s>
<s>
The	O
Bluetooth	B-Protocol
set	O
also	O
functions	O
as	O
an	O
FM	O
Receiver	O
,	O
allowing	O
one	O
to	O
listen	O
to	O
the	O
FM	O
radio	O
.	O
</s>
<s>
The	O
N900	B-Application
also	O
has	O
an	O
88.1	O
–	O
107.9	O
MHz	O
FM	O
transmitter	O
which	O
can	O
,	O
for	O
example	O
,	O
play	O
music	O
through	O
a	O
separate	O
radio	O
.	O
</s>
<s>
(	O
Note	O
that	O
the	O
FM	O
transmitter	O
's	O
frequency	O
range	O
can	O
be	O
extended	O
to	O
76.0	O
–	O
107.9MHz	O
by	O
community	O
supported	O
modifications	O
to	O
the	O
operating	B-General_Concept
system	I-General_Concept
)	O
Furthermore	O
,	O
the	O
Nokia	B-Application
N900	I-Application
has	O
Wi-Fi	O
b/g	O
connectivity	O
with	O
support	O
for	O
WEP	B-Protocol
,	O
WPA	O
and	O
WPA2	O
(	O
AES/TKIP	O
)	O
security	O
protocols	O
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
can	O
synchronize	O
with	O
Microsoft	B-Application
Outlook	I-Application
through	O
ActiveSync	B-Operating_System
and	O
various	O
other	O
e-mail	O
and	O
calendar	O
clients	O
through	O
SyncML	B-General_Concept
over	O
bluetooth	B-Protocol
or	O
the	O
micro-USB	O
.	O
</s>
<s>
Contact	O
information	O
can	O
also	O
be	O
exchanged	O
via	O
the	O
vCard	O
file	O
format	O
which	O
is	O
supported	O
commonly	O
by	O
e-mail	O
programs	O
,	O
including	O
Evolution	B-Language
and	O
Microsoft	B-Application
Outlook	I-Application
.	O
</s>
<s>
The	O
device	O
also	O
features	O
an	O
infrared	O
port	O
(	O
not	O
compatible	O
with	O
IrDA	O
)	O
that	O
can	O
be	O
used	O
to	O
turn	O
the	O
Nokia	B-Application
N900	I-Application
into	O
a	O
remote	O
controller	O
using	O
third-party	O
software	O
.	O
</s>
<s>
The	O
battery	O
life	O
of	O
the	O
shipped	O
BL-5J	O
(	O
1320mAh	O
)	O
battery	O
in	O
N900	B-Application
seems	O
very	O
deficient	O
and	O
it	O
was	O
not	O
able	O
to	O
make	O
it	O
through	O
a	O
full	O
working	O
day	O
with	O
an	O
internet	O
connection	O
and	O
call	O
usage	O
.	O
</s>
<s>
The	O
value	O
appears	O
to	O
be	O
highly	O
dependent	O
on	O
the	O
user	O
's	O
choice	O
of	O
background	O
software	O
,	O
active	O
desktop	O
widgets	O
,	O
IM	B-Application
and	O
email	O
polling	O
,	O
as	O
well	O
as	O
mobile	O
network	O
signal	O
quality	O
(	O
especially	O
3G	B-Architecture
)	O
and	O
in	O
some	O
cases	O
,	O
software	O
bugs	O
.	O
</s>
<s>
Nokia	O
reported	O
talk	O
times	O
are	O
around	O
9	O
hours	O
with	O
GSM	O
and	O
5	O
hours	O
with	O
3G	B-Architecture
.	O
</s>
<s>
Battery	O
life	O
can	O
be	O
extended	O
significantly	O
by	O
switching	O
off	O
GPS/A	O
-GPS	O
,	O
Wi-Fi	O
,	O
and	O
Bluetooth	B-Protocol
and	O
by	O
replacing	O
3G	B-Architecture
by	O
2G	O
/	O
GPRS	B-General_Concept
.	O
</s>
<s>
While	O
previous	O
Internet	B-Device
Tablets	I-Device
used	O
larger	O
batteries	O
(	O
1500mAh	O
compared	O
with	O
the	O
N900	B-Application
's	O
1320mAh	O
)	O
,	O
they	O
are	O
based	O
on	O
a	O
less	O
efficient	O
microprocessor	B-Architecture
.	O
</s>
<s>
Typical	O
battery	O
time	O
for	O
the	O
Nokia	B-Language
N810	I-Language
is	O
around	O
7	O
hours	O
of	O
continuous	O
full	O
usage	O
,	O
display	O
and	O
Wi-Fi	O
on	O
.	O
</s>
<s>
In	O
principle	O
,	O
on	O
N900	B-Application
figures	O
are	O
expected	O
to	O
be	O
much	O
higher	O
.	O
</s>
<s>
Third	O
party	O
extended	O
batteries	O
up	O
to	O
2400mAh	O
capacity	O
are	O
available	O
for	O
the	O
N900	B-Application
.	O
</s>
<s>
Also	O
,	O
there	O
are	O
community	O
supported	O
modifications	O
that	O
can	O
be	O
performed	O
on	O
3rd	O
party	O
N900	B-Application
compatible	O
batteries	O
,	O
usually	O
involving	O
putting	O
two	O
of	O
said	O
batteries	O
in	O
parallel	O
,	O
which	O
can	O
increase	O
the	O
effective	O
battery	O
capacity	O
of	O
the	O
Nokia	B-Application
N900	I-Application
to	O
over	O
3000mAh	O
.	O
</s>
<s>
The	O
SIM	O
card	O
is	O
located	O
under	O
the	O
battery	O
which	O
can	O
be	O
accessed	O
by	O
removing	O
the	O
back	O
panel	O
of	O
the	O
Nokia	B-Application
N900	I-Application
.	O
</s>
<s>
The	O
Nokia	B-Application
N900	I-Application
has	O
32GB	O
eMMC	O
and	O
256MB	O
NAND	O
non-removable	O
storage	O
.	O
</s>
<s>
Additional	O
storage	O
is	O
available	O
via	O
a	O
hot	B-Device
swappable	I-Device
microSDHC	O
card	O
socket	O
,	O
which	O
is	O
claimed	O
to	O
support	O
up	O
to	O
16GB	O
of	O
additional	O
storage	O
.	O
</s>
<s>
Sandisk	O
claims	O
that	O
SDXC	O
cards	O
are	O
not	O
compatible	O
with	O
the	O
N900	B-Application
.	O
</s>
<s>
Hot	B-Device
swapping	I-Device
is	O
achieved	O
via	O
a	O
software-supported	O
magnetic	O
sensor	O
which	O
detects	O
removal	O
of	O
the	O
back	O
cover	O
,	O
so	O
the	O
partition	O
residing	O
on	O
a	O
microSDHC	O
card	O
is	O
unmounted	O
when	O
the	O
back	O
cover	O
is	O
removed	O
.	O
</s>
<s>
The	O
microSDHC	O
card	O
can	O
be	O
formatted	O
with	O
a	O
supported	O
file	B-Application
system	I-Application
such	O
as	O
ext2	B-Application
,	O
ext3	B-Application
,	O
FAT16	B-Application
and	O
FAT32	B-Application
.	O
</s>
<s>
the	O
remainder	O
as	O
VFAT	B-Application
mounted	O
to	O
/home/user/MyDocs	B-Application
with	O
about	O
27GB	O
of	O
free	O
space	O
.	O
</s>
<s>
The	O
256MB	O
NAND	O
is	O
formatted	O
as	O
UBIFS	B-Application
and	O
contains	O
the	O
bootloader	B-Application
,	O
kernel	B-Operating_System
image	I-Operating_System
and	O
root	B-Application
directory	I-Application
"	B-Application
/	I-Application
"	I-Application
with	O
about	O
100MB	O
of	O
free	O
space	O
.	O
</s>
<s>
Programs	O
larger	O
than	O
500kB	O
including	O
dependencies	O
should	O
be	O
stored	O
in	O
/opt	O
which	O
is	O
symlinked	B-Application
to	O
/home/opt	B-Application
and	O
therefore	O
located	O
on	O
the	O
2GB	O
ext3	B-Application
partition	O
.	O
</s>
<s>
The	O
VFAT	B-Application
partition	O
is	O
also	O
available	O
for	O
storage	O
but	O
needs	O
to	O
be	O
used	O
carefully	O
as	O
it	O
is	O
unmounted	O
and	O
exported	O
if	O
a	O
USB	O
cable	O
is	O
connected	O
to	O
the	O
device	O
.	O
</s>
<s>
Maemo	B-Operating_System
5	O
,	O
also	O
known	O
as	O
Fremantle	O
,	O
is	O
the	O
default	O
operating	B-General_Concept
system	I-General_Concept
on	O
the	O
Nokia	B-Application
N900	I-Application
.	O
</s>
<s>
Maemo	B-Operating_System
5	O
is	O
Nokia	O
's	O
adaptation	O
of	O
the	O
Linux	B-Operating_System
desktop	O
environment	O
for	O
a	O
pocket-sized	O
device	O
.	O
</s>
<s>
The	O
N900	B-Application
comes	O
preloaded	O
with	O
a	O
variety	O
of	O
applications	O
such	O
as	O
:	O
</s>
<s>
Web	O
:	O
Mozilla-based	O
web	B-Application
browser	I-Application
called	O
MicroB	B-Protocol
,	O
which	O
includes	O
Adobe	B-Operating_System
Flash	I-Operating_System
9.4	O
and	O
RSS	O
reader	O
.	O
</s>
<s>
Custom	O
kernels	B-Operating_System
are	O
also	O
available	O
via	O
the	O
App	O
Manager	O
for	O
users	O
who	O
need	O
more	O
out	O
of	O
their	O
devices	O
.	O
</s>
<s>
Maemo	B-Operating_System
uses	O
upstart	B-Device
to	O
reduce	O
the	O
boot	O
time	O
.	O
</s>
<s>
An	O
application	O
called	O
"	O
Easy	O
Debian	O
"	O
installs	O
a	O
Debian	O
LXDE	B-Language
image	O
on	O
the	O
internal	O
memory	O
,	O
enabling	O
applications	O
such	O
as	O
IceWeasel	B-Protocol
(	O
Firefox	B-Application
browser	I-Application
)	O
and	O
all	O
of	O
the	O
OpenOffice.org	B-Application
suite	O
to	O
run	O
within	O
Maemo	B-Operating_System
.	O
</s>
<s>
Other	O
applications	O
in	O
the	O
Synaptic	B-Language
package	I-Language
manager	I-Language
that	O
are	O
included	O
in	O
the	O
Debian	O
installation	O
,	O
such	O
as	O
GIMP	B-Application
,	O
can	O
run	O
within	O
the	O
LXDE	B-Language
interface	O
.	O
</s>
<s>
Software	O
can	O
also	O
be	O
added	O
to	O
Debian	O
using	O
Maemo	B-Operating_System
's	O
chroot	B-Application
utility	O
using	O
Synaptic	B-Language
or	O
apt-get	B-Application
at	O
the	O
command	B-Application
line	I-Application
,	O
such	O
as	O
Stellarium	B-Application
or	O
the	O
zim	B-Application
desktop	B-Protocol
wiki	I-Protocol
,	O
and	O
this	O
can	O
then	O
be	O
accessed	O
either	O
via	O
the	O
LXDE	B-Language
desktop	O
,	O
by	O
icons	O
in	O
the	O
program	O
manager	O
,	O
or	O
by	O
shortcuts	O
on	O
the	O
desktop	O
.	O
</s>
<s>
In	O
Nokia	B-Application
N900	I-Application
,	O
there	O
is	O
no	O
SIM	O
Application	O
Toolkit	O
available	O
(	O
also	O
known	O
as	O
"	O
operator	O
menu	O
"	O
)	O
,	O
so	O
it	O
is	O
not	O
possible	O
to	O
use	O
any	O
services	O
that	O
require	O
it	O
.	O
</s>
<s>
As	O
a	O
result	O
,	O
there	O
is	O
no	O
support	O
for	O
a	O
SIM	O
to	O
interact	O
directly	O
with	O
the	O
outside	O
world	O
and	O
initiate	O
commands	O
independently	O
of	O
the	O
handset	O
and	O
the	O
network	O
,	O
making	O
N900	B-Application
not	O
vulnerable	O
to	O
installation	O
of	O
malicious	O
SIM	B-Language
Java	I-Language
applications	I-Language
via	O
text	O
messages	O
.	O
</s>
<s>
Norway	O
"	O
mobile	O
BankID	O
"	O
is	O
not	O
working	O
(	O
N900	B-Application
cannot	O
work	O
as	O
mobile	O
banking	O
token	O
)	O
.	O
</s>
<s>
Nokia	O
often	O
offers	O
new	O
N8	B-Language
or	O
E7	O
devices	O
as	O
warranty	O
replacements	O
for	O
N900s	B-Application
.	O
</s>
<s>
Although	O
warranty	O
terms	O
and	O
consumer	O
rights	O
legislation	O
differ	O
across	O
jurisdictions	O
,	O
users	O
have	O
reported	O
success	O
in	O
refusing	O
those	O
and	O
pressing	O
for	O
an	O
N900	B-Application
in	O
at	O
least	O
the	O
EU	O
and	O
India	O
as	O
recently	O
as	O
August	O
2011	O
.	O
</s>
<s>
Owners	O
who	O
are	O
not	O
confident	O
of	O
getting	O
an	O
N900	B-Application
as	O
a	O
warranty	O
replacement	O
often	O
attempt	O
to	O
repair	O
their	O
own	O
devices	O
,	O
or	O
sell	O
the	O
Nokia-provided	O
replacement	O
to	O
buy	O
an	O
N900	B-Application
instead	O
.	O
</s>
<s>
The	O
N900	B-Application
's	O
proximity	B-Device
sensor	I-Device
,	O
which	O
is	O
designed	O
to	O
lock	O
the	O
touch	O
screen	O
when	O
the	O
phone	O
is	O
against	O
the	O
user	O
's	O
ear	O
to	O
prevent	O
accidental	O
operation	O
,	O
locks	O
the	O
screen	O
unintentionally	O
in	O
bright	O
light	O
(	O
usually	O
outdoors	O
)	O
when	O
a	O
call	O
is	O
placed	O
or	O
received	O
.	O
</s>
<s>
This	O
issue	O
has	O
been	O
blamed	O
on	O
the	O
application	O
of	O
screen	O
protectors	O
,	O
however	O
N900	B-Application
users	O
without	O
screen	O
protectors	O
are	O
also	O
experiencing	O
the	O
problem	O
.	O
</s>
<s>
The	O
N900	B-Application
's	O
MicroUSB	O
(	O
charger	O
)	O
port	O
is	O
very	O
fragile	O
;	O
some	O
people	O
have	O
successfully	O
fixed	O
this	O
problem	O
either	O
with	O
epoxy	O
glue	O
,	O
or	O
by	O
resoldering	O
the	O
USB	O
port	O
onto	O
the	O
circuit	O
board	O
.	O
</s>
<s>
Some	O
of	O
the	O
chips	O
in	O
N900	B-Application
's	O
GSM	O
module	O
might	O
be	O
badly	O
soldered	O
to	O
the	O
circuit	O
board	O
,	O
resulting	O
in	O
multiple	O
N900	B-Application
devices	O
reported	O
as	O
troubled	O
by	O
the	O
inability	O
for	O
the	O
SIM	O
card	O
to	O
be	O
detected	O
.	O
</s>
<s>
It	O
was	O
announced	O
in	O
May	O
2010	O
that	O
the	O
Nokia	B-Application
N900	I-Application
will	O
be	O
the	O
last	O
mobile	O
communication	O
device	O
running	O
the	O
Maemo	B-Operating_System
5	O
operating	B-General_Concept
system	I-General_Concept
,	O
which	O
will	O
be	O
replaced	O
by	O
MeeGo	B-Operating_System
.	O
</s>
<s>
Nokia	O
will	O
continue	O
to	O
support	O
the	O
N900	B-Application
with	O
updates	O
when	O
necessary	O
.	O
</s>
<s>
While	O
transition	O
to	O
the	O
succeeding	O
MeeGo	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
is	O
possible	O
,	O
this	O
is	O
mainly	O
of	O
interest	O
to	O
developers	O
rather	O
than	O
consumers	O
,	O
as	O
it	O
is	O
not	O
officially	O
supported	O
by	O
Nokia	O
.	O
</s>
<s>
There	O
has	O
been	O
some	O
interest	O
within	O
the	O
user	O
community	O
in	O
working	O
on	O
backporting	O
MeeGo	B-Operating_System
developments	O
to	O
Maemo	B-Operating_System
for	O
the	O
N900	B-Application
,	O
and	O
this	O
places	O
it	O
as	O
being	O
an	O
interesting	O
device	O
for	O
people	O
within	O
the	O
wider	O
Open	B-License
Source	I-License
community	O
more	O
than	O
consumers	O
.	O
</s>
<s>
A	O
download	O
of	O
the	O
MeeGo	B-Operating_System
operating	B-General_Concept
system	I-General_Concept
is	O
available	O
,	O
but	O
not	O
officially	O
supported	O
by	O
Nokia	O
.	O
</s>
<s>
Nokia	O
used	O
to	O
say	O
that	O
MeeGo	B-Operating_System
was	O
going	O
to	O
succeed	O
Maemo	B-Operating_System
for	O
new	O
devices	O
;	O
however	O
,	O
on	O
11	O
February	O
2011	O
Nokia	O
announced	O
it	O
will	O
be	O
primarily	O
concentrating	O
on	O
their	O
alliance	O
with	O
Microsoft	O
.	O
</s>
<s>
MeeGo	B-Operating_System
development	O
will	O
not	O
be	O
stopped	O
and	O
one	O
MeeGo	B-Operating_System
device	O
will	O
become	O
available	O
in	O
2011	O
.	O
</s>
<s>
On	O
3	O
March	O
2011	O
,	O
Jukka	O
Eklund	O
,	O
Product	O
Manager	O
,	O
MeeGo	B-Operating_System
OS	O
at	O
Nokia	O
announced	O
in	O
the	O
MeeGo-dev	O
mailing	O
list	O
that	O
there	O
will	O
be	O
a	O
MeeGo	B-Operating_System
1.2	O
Developer	O
Edition	O
for	O
N900	B-Application
developed	O
by	O
a	O
dedicated	O
Nokia	O
team	O
led	O
by	O
Mika	O
Leppinen	O
.	O
</s>
<s>
The	O
September	O
2011	O
announcement	O
that	O
Intel	O
and	O
the	O
Linux	B-Operating_System
Foundation	O
were	O
abandoning	O
MeeGo	B-Operating_System
in	O
favor	O
of	O
Tizen	B-Application
prompted	O
the	O
developer	O
community	O
to	O
begin	O
to	O
seriously	O
doubt	O
the	O
future	O
of	O
MeeGo	B-Operating_System
on	O
the	O
N900	B-Application
.	O
</s>
<s>
Subsequently	O
,	O
developers	O
rapidly	O
left	O
the	O
project	O
,	O
leading	O
to	O
an	O
abrupt	O
halt	O
of	O
discussion	O
on	O
the	O
Meego-dev	O
mailing	O
list	O
.	O
</s>
<s>
The	O
MeeGo	B-Operating_System
Developer	O
Edition	O
after	O
a	O
rename	O
to	O
MeeGo	B-Operating_System
Community	O
Edition	O
evolved	O
into	O
Nemo	O
,	O
which	O
is	O
based	O
on	O
Mer	B-Application
and	O
is	O
currently	O
(	O
October	O
2012	O
)	O
actively	O
developed	O
.	O
</s>
<s>
The	O
Nitdroid	O
project	O
,	O
which	O
ports	O
Android	O
to	O
other	O
devices	O
as	O
an	O
alternate	O
operating	B-General_Concept
system	I-General_Concept
,	O
is	O
also	O
available	O
for	O
the	O
N900	B-Application
.	O
</s>
<s>
However	O
,	O
little	O
progress	O
has	O
been	O
made	O
on	O
achieving	O
voice	O
calling	O
under	O
Nitdroid	O
N900	B-Application
,	O
and	O
the	O
main	O
developer	O
,	O
who	O
goes	O
by	O
the	O
online	O
handle	O
"	O
e-yes	O
"	O
,	O
has	O
moved	O
on	O
to	O
developing	O
for	O
other	O
devices	O
such	O
as	O
the	O
Nokia	B-Operating_System
N9	I-Operating_System
.	O
</s>
<s>
A	O
community-based	O
project	O
aiming	O
to	O
provide	O
a	O
hardware	O
upgrade	O
for	O
the	O
N900	B-Application
,	O
called	O
Neo900	O
,	O
began	O
in	O
late	O
2013	O
as	O
a	O
collaboration	O
between	O
the	O
Openmoko	O
and	O
Maemo	B-Operating_System
communities	O
.	O
</s>
<s>
The	O
hardware	O
upgrade	O
would	O
have	O
quadrupled	O
the	O
device	O
's	O
RAM	O
,	O
provided	O
a	O
processor	O
nearly	O
twice	O
as	O
fast	O
as	O
the	O
one	O
in	O
original	O
N900	B-Application
,	O
and	O
integrated	O
additional	O
sensors	O
such	O
as	O
a	O
gyroscope	O
and	O
compass	O
.	O
</s>
<s>
As	O
of	O
2023	O
,	O
the	O
main	O
remaining	O
project	O
offering	O
support	O
for	O
new	O
software	O
upgrades	O
to	O
the	O
N900	B-Application
is	O
postmarketOS	B-Application
which	O
uses	O
recent	O
Linux	B-Operating_System
kernels	I-Operating_System
and	O
userspace	O
components	O
.	O
</s>
