<s>
The	O
Nintendo	B-Device
DSi	I-Device
system	I-Device
software	I-Device
is	O
a	O
set	O
of	O
updatable	O
firmware	B-Application
versions	O
,	O
and	O
a	O
software	O
frontend	B-Architecture
on	O
the	O
Nintendo	B-Device
DSi	I-Device
(	O
including	O
its	O
XL	O
variant	O
)	O
video	O
game	O
console	O
.	O
</s>
<s>
The	O
user	O
interface	O
of	O
the	O
Nintendo	B-Device
DSi	I-Device
has	O
been	O
redesigned	O
from	O
the	O
Nintendo	B-Device
DS	I-Device
and	O
Nintendo	B-Device
DS	I-Device
Lite	I-Device
.	O
</s>
<s>
The	O
DSi	B-Device
's	O
user	O
interface	O
is	O
a	O
single	O
row	O
of	O
icons	O
which	O
can	O
be	O
navigated	O
by	O
sliding	O
the	O
stylus	O
across	O
them	O
.	O
</s>
<s>
When	O
the	O
DSi	B-Device
is	O
booted	O
for	O
the	O
first	O
time	O
,	O
the	O
system	O
snaps	O
a	O
shot	O
of	O
the	O
user	O
's	O
face	O
which	O
is	O
then	O
displayed	O
on	O
the	O
home	O
menu	O
's	O
top	O
screen	O
.	O
</s>
<s>
The	O
Nintendo	B-Device
DSi	I-Device
provides	O
some	O
built-in	O
applications	O
.	O
</s>
<s>
Initially	O
,	O
users	O
are	O
able	O
to	O
access	O
five	O
programs	O
from	O
the	O
main	O
menu	O
:	O
DSi	B-Device
Camera	O
,	O
DSi	B-Device
Sound	O
,	O
DSi	B-Device
Shop	O
,	O
PictoChat	O
,	O
and	O
Download	O
Play	O
.	O
</s>
<s>
The	O
DSi	B-Device
's	O
menu	O
is	O
akin	O
to	O
the	O
Channel	O
interface	O
of	O
the	B-Operating_System
Nintendo	I-Operating_System
Wii	I-Operating_System
in	O
that	O
new	O
programs	O
can	O
be	O
downloaded	O
and	O
added	O
to	O
the	O
interface	O
.	O
</s>
<s>
The	O
DSi	B-Device
Camera	O
application	O
allows	O
for	O
taking	O
images	O
and	O
applying	O
various	O
filters	O
.	O
</s>
<s>
The	O
DSi	B-Device
Sound	O
application	O
is	O
thematically	O
similar	O
to	O
DSi	B-Device
Camera	O
,	O
serving	O
as	O
a	O
sound	O
recorder	O
and	O
editor	O
(	O
along	O
with	O
a	O
low	O
bitrate	O
AAC	O
music	O
player	O
)	O
.	O
</s>
<s>
Features	O
include	O
themed	O
equalizers	O
and	O
modulators	O
that	O
modify	O
a	O
user	O
's	O
voice	O
to	O
sound	O
similar	O
to	O
a	O
robot	O
or	O
parakeet	O
(	O
Toy	B-Application
Story	I-Application
3	I-Application
is	O
the	O
only	O
DSi	B-Device
enhanced	O
game	O
to	O
use	O
the	O
DSi	B-Device
's	O
audio	O
modulator	O
engine	O
)	O
.	O
</s>
<s>
The	O
DSi	B-Device
Shop	O
would	O
serve	O
as	O
the	O
DS	B-Device
version	O
of	O
the	B-Operating_System
Wii	I-Operating_System
Shop	O
Channel	O
.	O
</s>
<s>
Unlike	O
Nintendo	O
's	O
previous	O
handheld	B-Application
consoles	I-Application
such	O
as	O
the	O
Nintendo	B-Device
DS	I-Device
and	O
Nintendo	B-Device
DS	I-Device
Lite	I-Device
,	O
the	O
Nintendo	B-Device
DSi	I-Device
has	O
built	O
in	O
music	O
playback	O
support	O
.	O
</s>
<s>
The	O
DSi	B-Device
Music	O
program	O
is	O
split	O
into	O
two	O
modes	O
:	O
voice	O
recording	O
and	O
music	O
playback	O
.	O
</s>
<s>
Unlike	O
the	O
built-in	O
DSi	B-Device
Camera	O
application	O
,	O
which	O
would	O
not	O
read	O
any	O
files	O
that	O
were	O
not	O
generated	O
by	O
the	O
DSi	B-Device
itself	O
,	O
the	O
DSi	B-Device
Music	O
application	O
does	O
not	O
have	O
this	O
restriction	O
when	O
it	O
comes	O
to	O
files	O
and	O
directory	O
structure	O
.	O
</s>
<s>
When	O
files	O
are	O
stored	O
in	O
a	O
multi-level	O
directory	O
structure	O
into	O
the	O
root	O
directory	O
of	O
the	O
SD	O
card	O
,	O
the	O
DSi	B-Device
parsed	O
through	O
them	O
instantly	O
and	O
displayed	O
all	O
the	O
internal	O
directories	O
for	O
quick	O
access	O
.	O
</s>
<s>
Nintendo	O
presumably	O
envisioned	O
DSi	B-Device
Music	O
as	O
being	O
a	O
substitute	O
for	O
a	O
real	O
music	O
player	O
.	O
</s>
<s>
However	O
,	O
there	O
is	O
an	O
important	O
drawback	O
of	O
the	O
DS	B-Device
Music	O
application	O
,	O
that	O
is	O
,	O
it	O
does	O
not	O
support	O
the	O
popular	O
MP3	B-Application
format	O
.	O
</s>
<s>
Instead	O
,	O
the	O
player	O
only	O
supports	O
the	O
AAC	B-Application
format	I-Application
with	O
.mp4	O
,	O
.m4a	B-Algorithm
,	O
or	O
.3GP	O
filename	O
extensions	O
.	O
</s>
<s>
Furthermore	O
,	O
compared	O
with	O
Sony	B-Operating_System
's	I-Operating_System
PlayStation	I-Operating_System
Portable	I-Operating_System
it	O
is	O
more	O
difficult	O
to	O
interface	O
the	O
DSi	B-Device
with	O
a	O
PC	O
,	O
as	O
there	O
is	O
no	O
USB	B-Protocol
port	O
on	O
the	O
system	O
.	O
</s>
<s>
One	O
of	O
the	O
major	O
updates	O
the	O
Nintendo	B-Device
DSi	I-Device
brings	O
to	O
the	O
Nintendo	B-Device
DS	I-Device
line	O
is	O
full	O
network	O
connectivity	O
.	O
</s>
<s>
Unlike	O
the	O
original	O
Nintendo	B-Device
DS	I-Device
and	O
Nintendo	B-Device
DS	I-Device
Lite	I-Device
which	O
only	O
featured	O
minimal	O
network	O
connectivity	O
,	O
download	O
content	O
and	O
firmware	B-Application
updates	O
are	O
at	O
the	O
core	O
of	O
the	O
DSi	B-Device
experience	O
,	O
similar	O
to	O
the	B-Operating_System
Wii	I-Operating_System
and	O
Sony	B-Operating_System
's	I-Operating_System
PlayStation	I-Operating_System
Portable	I-Operating_System
consoles	O
.	O
</s>
<s>
For	O
example	O
,	O
when	O
users	O
first	O
power	O
up	O
the	O
system	O
and	O
click	O
on	O
the	O
DSi	B-Device
Shop	O
icon	O
from	O
the	O
main	O
menu	O
,	O
they	O
are	O
immediately	O
prompted	O
to	O
run	O
a	O
firmware	B-Application
update	O
.	O
</s>
<s>
The	O
Nintendo	B-Device
DSi	I-Device
supports	O
WEP	B-Protocol
,	O
WPA	O
(	O
AES/TKIP	O
)	O
,	O
and	O
WPA2	O
(	O
AES/TKIP	O
)	O
wireless	B-Application
encryption	I-Application
;	O
only	O
software	O
with	O
built-in	O
support	O
can	O
use	O
the	O
latter	O
two	O
encryption	O
types	O
,	O
as	O
they	O
were	O
not	O
supported	O
by	O
the	O
DS	B-Device
and	O
DS	B-Device
Lite	I-Device
.	O
</s>
<s>
With	O
the	O
DSi	B-Device
Shop	O
application	O
users	O
can	O
purchase	O
various	O
DSiWare	B-Device
titles	O
.	O
</s>
<s>
The	O
cute	O
music	O
and	O
blocky	O
interface	O
are	O
somewhat	O
similar	O
to	O
the	O
counterpart	O
on	O
the	B-Operating_System
Wii	I-Operating_System
.	O
</s>
<s>
Users	O
can	O
permanently	O
login	O
with	O
their	O
Club	O
Nintendo	O
account	O
to	O
track	O
purchase	O
rewards	O
,	O
and	O
the	O
main	O
shopping	O
interface	O
also	O
lets	O
users	O
add	O
DSi	B-Device
Points	O
and	O
read	O
the	O
DSi	B-Device
shop	O
manual	O
.	O
</s>
<s>
As	O
with	O
the	O
firmware	B-Application
updates	O
,	O
the	O
DSi	B-Device
shopping	O
experience	O
is	O
quite	O
similar	O
to	O
that	O
of	O
the	B-Operating_System
Wii	I-Operating_System
,	O
although	O
a	O
big	O
problem	O
with	O
the	O
DSi	B-Device
Shopping	O
is	O
the	O
slow	O
speed	O
.	O
</s>
<s>
Furthermore	O
,	O
like	O
the	O
previous	O
Nintendo	B-Device
DS	I-Device
and	O
DS	B-Device
Lite	I-Device
,	O
the	O
Nintendo	B-Device
DSi	I-Device
includes	O
a	O
web	B-Application
browser	I-Application
,	O
which	O
is	O
a	O
version	O
of	O
the	O
Opera	B-Application
browser	I-Application
.	O
</s>
<s>
It	O
has	O
support	O
for	O
the	O
HTML5	B-Application
canvas	O
object	O
and	O
CSS	B-Language
opacity	O
.	O
</s>
<s>
In	O
addition	O
to	O
slow	O
download	O
speeds	O
,	O
the	O
browser	B-Application
has	O
difficulty	O
rendering	O
pages	O
.	O
</s>
<s>
For	O
example	O
,	O
many	O
pages	O
would	O
not	O
load	O
completely	O
,	O
and	O
it	O
is	O
not	O
compatible	O
with	O
movie	O
files	O
,	O
music	O
files	O
or	O
Adobe	B-Operating_System
Flash	I-Operating_System
on	O
multimedia	O
content	O
sites	O
like	O
YouTube	B-General_Concept
.	I-General_Concept
</s>
<s>
Nintendo	O
Life	O
rated	O
the	O
browser	B-Application
7/10	O
points	O
,	O
calling	O
it	O
"	O
well	O
worth	O
having	O
"	O
despite	O
its	O
limitations	O
,	O
and	O
improved	O
from	O
the	O
Nintendo	B-Device
DS	I-Device
incarnation	O
.	O
</s>
<s>
On	O
the	O
Nintendo	B-Device
DSi	I-Device
,	O
there	O
are	O
a	O
collection	O
of	O
games	O
and	O
applications	O
specifically	O
designed	O
for	O
the	O
Nintendo	B-Device
DSi	I-Device
handheld	B-Application
game	I-Application
console	I-Application
and	O
available	O
for	O
download	O
via	O
the	O
DSi	B-Device
Shop	O
,	O
known	O
as	O
DSiWare	B-Device
.	O
</s>
<s>
Since	O
these	O
games	O
and	O
applications	O
are	O
specifically	O
targeted	O
for	O
the	O
Nintendo	B-Device
DSi	I-Device
,	O
they	O
are	O
not	O
compatible	O
with	O
the	O
original	O
Nintendo	B-Device
DS	I-Device
or	O
Nintendo	B-Device
DS	I-Device
Lite	I-Device
consoles	O
.	O
</s>
<s>
The	O
Nintendo	B-Device
DSi	I-Device
is	O
Nintendo	O
's	O
first	O
region-locked	O
handheld	B-Application
;	O
it	O
prevents	O
using	O
certain	O
software	O
released	O
for	O
another	O
region	O
,	O
unlike	O
original	O
Nintendo	B-Device
DS	I-Device
models	O
.	O
</s>
<s>
But	O
as	O
a	O
member	O
of	O
the	O
Nintendo	B-Device
DS	I-Device
line	O
,	O
the	O
Nintendo	B-Device
DSi	I-Device
is	O
backward	O
compatible	O
with	O
most	O
original	O
Nintendo	B-Device
DS	I-Device
games	O
,	O
and	O
cartridge	O
software	O
compatible	O
with	O
previous	O
models	O
including	O
original	O
DS	B-Device
games	O
,	O
Internet	O
browsing	O
,	O
and	O
photo	O
sharing	O
are	O
not	O
region-locked	O
.	O
</s>
<s>
Later	O
,	O
its	O
successor	O
,	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
consoles	O
also	O
adopted	O
this	O
approach	O
,	O
and	O
as	O
a	O
result	O
all	O
Nintendo	B-Device
DSi	I-Device
and	O
3DS-specific	O
games	O
are	O
locked	O
to	O
a	O
certain	O
region	O
,	O
while	O
original	O
DS	B-Device
games	O
are	O
still	O
region-free	O
.	O
</s>
<s>
In	O
addition	O
to	O
DSiWare	B-Device
,	O
which	O
are	O
DSi-exclusive	O
(	O
although	O
later	O
they	O
can	O
also	O
run	O
on	O
a	O
3DS	B-Operating_System
)	O
,	O
there	O
are	O
also	O
"	O
DSi-enhanced	O
"	O
games	O
containing	O
DSi-exclusive	O
features	O
,	O
but	O
can	O
still	O
be	O
played	O
with	O
earlier	O
Nintendo	B-Device
DS	I-Device
models	O
.	O
</s>
<s>
While	O
most	O
original	O
DS	B-Device
games	O
can	O
run	O
on	O
the	O
DSi	B-Device
,	O
the	O
DSi	B-Device
is	O
not	O
backward	O
compatible	O
with	O
Game	B-Device
Boy	I-Device
Advance	I-Device
(	O
GBA	B-Device
)	O
games	O
or	O
original	O
DS	B-Device
games	O
that	O
require	O
a	O
GBA	B-Device
slot	O
,	O
since	O
the	O
DSi	B-Device
itself	O
lacks	O
of	O
such	O
a	O
slot	O
,	O
unlike	O
the	O
DS	B-Device
and	O
DS	B-Device
Lite	I-Device
.	O
</s>
<s>
Because	O
of	O
this	O
absence	O
,	O
the	O
DSi	B-Device
is	O
also	O
not	O
backward	O
compatible	O
with	O
accessories	B-Device
requiring	O
the	O
GBA	B-Device
slot	O
,	O
such	O
as	O
the	O
Nintendo	B-Device
DS	I-Device
Rumble	B-Device
Pak	I-Device
.	O
</s>
<s>
Homebrew	B-Application
flash	O
cards	O
designed	O
for	O
previous	O
DS	B-Device
models	O
are	O
incompatible	O
with	O
the	O
DSi	B-Device
,	O
but	O
new	O
cards	O
capable	O
of	O
running	O
DS	B-Device
software	O
(	O
or	O
even	O
DSiWare	B-Device
)	O
on	O
a	O
DSi	B-Device
were	O
available	O
.	O
</s>
<s>
While	O
users	O
cannot	O
transfer	O
purchased	O
DSiWare	B-Device
on	O
Nintendo	B-Device
DSi	I-Device
consoles	O
between	O
units	O
,	O
most	O
DSiWare	B-Device
can	O
be	O
transferred	O
to	O
a	O
Nintendo	B-Operating_System
3DS	I-Operating_System
,	O
although	O
not	O
saved	O
data	O
.	O
</s>
<s>
Like	O
the	O
Nintendo	B-Device
DSi	I-Device
,	O
the	O
Nintendo	B-Operating_System
3DS	I-Operating_System
is	O
backward	O
compatible	O
with	O
most	O
Nintendo	B-Device
DS	I-Device
and	O
Nintendo	B-Device
DSi	I-Device
software	O
.	O
</s>
<s>
This	O
is	O
a	O
list	O
of	O
major	O
system	O
updates	O
of	O
the	O
Nintendo	B-Device
DSi	I-Device
.	O
</s>
<s>
Nintendo	B-Device
DSi	I-Device
system	O
update	O
releasesSystem	O
versionSystem	O
version	O
(	O
China/Korea	O
)	O
RegionsRelease	O
datesNote1.4.51.4.6	O
December	O
11	O
,	O
2012	O
-	O
December	O
13	O
,	O
2012	O
Final	O
version	O
.	O
</s>
<s>
Behind	O
the	O
scenes	O
changes	O
to	O
block	O
Nintendo	B-Device
DSi	I-Device
cartridge	O
exploits.1.4.31.4.4	O
June	O
29	O
,	O
2011	O
Seventh	O
update	O
for	O
Japanese	O
consoles	O
,	O
fourth	O
update	O
for	O
USA/Europe/Australia	O
consoles	O
,	O
third	O
update	O
Chinese/Korean	O
consoles	O
.	O
</s>
<s>
Behind	O
the	O
scenes	O
changes	O
to	O
block	O
game	O
save	O
based	O
DSiWare	B-Device
exploits.1.41.4.1	O
July	O
30	O
,	O
2009	O
-	O
August	O
3	O
,	O
2009	O
Fourth	O
update	O
for	O
Japanese	O
consoles	O
,	O
first	O
update	O
for	O
USA/Europe/Australia	O
consoles	O
,	O
initial	O
pre-installed	O
version	O
on	O
Chinese/Korean	O
consoles	O
.	O
</s>
<s>
Added	O
Facebook	B-Application
integration	O
to	O
the	O
Nintendo	B-Device
DSi	I-Device
Camera	O
application	O
.	O
</s>
<s>
Increases	O
the	O
speed	O
of	O
showing	O
photos	O
in	O
the	O
Nintendo	B-Device
DSi	I-Device
Camera	O
application	O
.	O
</s>
<s>
Updates	O
the	O
Nintendo	B-Device
DSi	I-Device
Browser	B-Application
application	O
.	O
</s>
<s>
Adds	O
"	O
Search	O
for	O
Software	O
"	O
feature	O
to	O
the	O
Nintendo	B-Device
DSi	I-Device
Shop	O
.	O
</s>
<s>
Matches	O
the	O
L/R	O
button	O
sound	O
effects	O
to	O
the	O
music	O
volume	O
in	O
Nintendo	B-Device
DSi	I-Device
Sound.1.2	O
December	O
18	O
,	O
2008	O
-	O
April	O
3	O
,	O
2009	O
Second	O
update	O
for	O
Japanese	O
consoles	O
.	O
</s>
<s>
Changes	O
made	O
for	O
distribution	O
of	O
paid	O
DSiWare.1.1	O
First	O
update	O
for	O
Japanese	O
consoles	O
.	O
</s>
<s>
The	O
Nintendo	B-Device
DSi	I-Device
Shop	O
is	O
now	O
available.1.0	O
November	O
1	O
,	O
2008	O
Initial	O
pre-installed	O
version	O
on	O
Japanese	O
consoles	O
.	O
</s>
