<s>
The	B-Operating_System
Wii	I-Operating_System
system	O
software	O
is	O
a	O
discontinued	O
set	O
of	O
updatable	O
firmware	O
versions	O
and	O
a	O
software	O
frontend	O
on	O
the	B-Operating_System
Wii	I-Operating_System
home	B-Device
video	I-Device
game	I-Device
console	I-Device
.	O
</s>
<s>
Updates	O
,	O
which	O
could	O
be	O
downloaded	O
over	O
the	O
Internet	O
or	O
read	O
from	O
a	O
game	O
disc	O
,	O
allowed	O
Nintendo	O
to	O
add	O
additional	O
features	O
and	O
software	O
,	O
as	O
well	O
as	O
to	O
patch	O
security	O
vulnerabilities	O
used	O
by	O
users	O
to	O
load	O
homebrew	B-Application
software	O
.	O
</s>
<s>
When	O
a	O
new	O
update	O
became	O
available	O
,	O
Nintendo	O
sent	O
a	O
message	O
to	O
the	B-Operating_System
Wii	I-Operating_System
Message	O
Board	O
of	O
Internet-connected	O
systems	O
notifying	O
them	O
of	O
the	O
available	O
update	O
.	O
</s>
<s>
Some	O
games	O
,	O
such	O
as	O
online	O
games	O
like	O
Super	B-Application
Smash	I-Application
Bros	I-Application
.	I-Application
Brawl	I-Application
and	O
Mario	B-Application
Kart	I-Application
Wii	I-Application
,	O
contain	O
specific	O
extra	O
updates	O
,	O
such	O
as	O
the	O
ability	O
to	O
receive	O
Wii	B-Operating_System
Message	O
Board	O
posts	O
from	O
game-specific	O
addresses	O
;	O
therefore	O
,	O
these	O
games	O
always	O
require	O
that	O
an	O
update	O
be	O
installed	O
before	O
their	O
first	O
time	O
running	O
on	O
a	O
given	O
console	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
's	O
firmware	O
has	O
many	O
active	O
branches	O
known	O
as	O
IOSes	O
,	O
thought	O
by	O
the	B-Operating_System
Wii	I-Operating_System
homebrew	B-Application
developers	O
to	O
stand	O
for	O
"	O
Input	O
Output	O
Systems	O
"	O
or	O
"	O
Internal	O
Operating	O
Systems	O
"	O
.	O
</s>
<s>
The	O
currently	O
active	O
IOS	B-Operating_System
,	O
also	O
simply	O
referred	O
to	O
as	O
just	O
"	O
IOS	B-Operating_System
,	O
"	O
runs	O
on	O
a	O
separate	O
ARM926EJ-S	O
processor	O
,	O
unofficially	O
nicknamed	O
Starlet	O
.	O
</s>
<s>
The	O
patent	O
for	O
the	B-Operating_System
Wii	I-Operating_System
U	O
shows	O
a	O
similar	O
device	O
which	O
is	O
simply	O
named	O
"	O
Input/Output	O
Processor	O
"	O
.	O
</s>
<s>
IOS	B-Operating_System
controls	O
I/O	O
between	O
the	O
code	O
running	O
on	O
the	O
main	O
Broadway	B-Device
processor	O
and	O
the	O
various	O
Wii	B-Operating_System
hardware	O
that	O
does	O
not	O
also	O
exist	O
on	O
the	O
GameCube	B-Application
.	O
</s>
<s>
Except	O
for	O
bug	B-Error_Name
fixes	O
,	O
new	O
IOS	B-Operating_System
versions	O
do	O
not	O
replace	O
existing	O
IOS	B-Operating_System
versions	O
.	O
</s>
<s>
Instead	O
,	O
Wii	B-Operating_System
consoles	I-Operating_System
have	O
multiple	O
IOS	B-Operating_System
versions	O
installed	O
.	O
</s>
<s>
All	O
native	O
Wii	B-Operating_System
software	O
(	O
including	O
games	O
distributed	O
on	O
Nintendo	B-Device
optical	I-Device
discs	I-Device
,	O
the	O
System	O
Menu	O
itself	O
,	O
Virtual	B-Application
Console	I-Application
games	O
,	O
WiiWare	O
,	O
and	O
Wii	B-Operating_System
Channels	O
)	O
,	O
with	O
the	O
exception	O
of	O
certain	O
homebrew	B-Application
applications	O
,	O
have	O
the	O
IOS	B-Operating_System
version	O
hardcoded	O
into	O
the	O
software	O
.	O
</s>
<s>
When	O
the	O
software	O
is	O
run	O
,	O
the	O
IOS	B-Operating_System
that	O
is	O
hardcoded	O
gets	O
loaded	O
by	O
the	B-Operating_System
Wii	I-Operating_System
,	O
which	O
then	O
loads	O
the	O
software	O
itself	O
.	O
</s>
<s>
If	O
that	O
IOS	B-Operating_System
does	O
not	O
exist	O
on	O
the	B-Operating_System
Wii	I-Operating_System
,	O
in	O
the	O
case	O
of	O
disc-based	O
software	O
,	O
it	O
gets	O
installed	O
automatically	O
(	O
after	O
the	O
user	O
is	O
prompted	O
)	O
.	O
</s>
<s>
With	O
downloaded	O
software	O
,	O
this	O
should	O
not	O
theoretically	O
happen	O
,	O
as	O
the	O
user	O
cannot	O
access	O
the	O
shop	O
to	O
download	O
software	O
unless	O
the	O
player	O
has	O
all	O
the	O
IOS	B-Operating_System
versions	O
that	O
they	O
require	O
.	O
</s>
<s>
However	O
,	O
if	O
homebrew	B-Application
is	O
used	O
to	O
forcefully	O
install	O
or	O
run	O
a	O
piece	O
of	O
software	O
when	O
the	O
required	O
IOS	B-Operating_System
does	O
not	O
exist	O
,	O
the	O
user	O
is	O
brought	O
back	O
to	O
the	O
system	O
menu	O
.	O
</s>
<s>
Nintendo	O
created	O
this	O
system	O
so	O
that	O
new	O
updates	O
would	O
not	O
unintentionally	O
break	O
compatibility	O
with	O
older	O
games	O
,	O
but	O
it	O
does	O
have	O
the	O
side	O
effect	O
that	O
it	O
uses	O
up	O
space	O
on	O
the	B-Operating_System
Wii	I-Operating_System
's	O
internal	O
NAND	O
Flash	O
memory	O
.	O
</s>
<s>
Only	O
one	O
IOS	B-Operating_System
version	O
can	O
run	O
at	O
any	O
given	O
time	O
.	O
</s>
<s>
The	O
only	O
time	O
an	O
IOS	B-Operating_System
is	O
not	O
running	O
is	O
when	O
the	B-Operating_System
Wii	I-Operating_System
enters	O
GameCube	B-Application
backward	B-General_Concept
compatibility	I-General_Concept
mode	O
,	O
during	O
which	O
the	B-Operating_System
Wii	I-Operating_System
runs	O
a	O
variant	O
of	O
IOS	B-Operating_System
specifically	O
for	O
GameCube	B-Application
games	O
,	O
MIOS	O
,	O
which	O
contains	O
a	O
modified	O
version	O
of	O
the	O
GameCube	B-Application
's	O
IPL	O
.	O
</s>
<s>
Custom	O
IOSes	O
,	O
called	O
cIOSes	O
,	O
can	O
be	O
installed	O
with	O
homebrew	B-Application
.	O
</s>
<s>
The	O
main	O
purpose	O
of	O
cIOS	O
is	O
to	O
allow	O
homebrew	B-Application
users	O
to	O
use	O
other	O
homebrew	B-Application
apps	O
such	O
as	O
USB	O
Loader	O
GX	O
(	O
allows	O
games	O
stored	O
in	O
the	O
WBFS	O
file	O
format	O
to	O
be	O
run	O
from	O
a	O
USB	O
stick	O
)	O
.	O
</s>
<s>
The	O
system	O
provides	O
a	O
graphical	O
interface	O
to	O
the	B-Operating_System
Wii	I-Operating_System
's	O
abilities	O
.	O
</s>
<s>
All	O
games	O
run	O
directly	O
on	O
the	O
Broadway	B-Device
processor	O
,	O
and	O
either	O
directly	O
interface	O
with	O
the	O
hardware	O
(	O
for	O
the	O
hardware	O
common	O
to	O
the	B-Operating_System
Wii	I-Operating_System
and	O
GameCube	B-Application
)	O
,	O
or	O
interface	O
with	O
IOS	B-Operating_System
running	O
on	O
the	O
ARM	B-Architecture
architecture	I-Architecture
processor	O
(	O
for	O
Wii-specific	O
hardware	O
)	O
.	O
</s>
<s>
The	O
ARM	B-Architecture
processor	I-Architecture
does	O
not	O
have	O
access	O
to	O
the	O
screen	O
,	O
and	O
therefore	O
neither	O
does	O
IOS	B-Operating_System
.	O
</s>
<s>
Therefore	O
,	O
the	O
version	O
number	O
reported	O
by	O
the	B-Operating_System
Wii	I-Operating_System
is	O
actually	O
only	O
the	O
version	O
number	O
of	O
the	O
System	O
Menu	O
.	O
</s>
<s>
As	O
a	O
side	O
effect	O
,	O
this	O
means	O
it	O
is	O
impossible	O
for	O
Nintendo	O
to	O
implement	O
any	O
functions	O
that	O
would	O
affect	O
the	O
games	O
themselves	O
,	O
for	O
example	O
an	O
in-game	O
system	O
menu	O
(	O
similar	O
to	O
the	B-Operating_System
Xbox	I-Operating_System
360	I-Operating_System
's	O
in-game	O
Dashboard	O
or	O
the	O
PlayStation	B-Operating_System
3	I-Operating_System
's	O
in-game	O
XMB	B-Device
)	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
Menu	O
(	O
known	O
internally	O
as	O
the	O
System	O
Menu	O
)	O
is	O
the	O
name	O
of	O
the	O
user	B-Application
interface	I-Application
for	O
the	B-Operating_System
Wii	I-Operating_System
game	O
console	O
,	O
and	O
it	O
is	O
the	O
first	O
thing	O
to	O
be	O
seen	O
when	O
the	O
system	O
boots	O
up	O
.	O
</s>
<s>
Similar	O
to	O
many	O
other	O
video	B-Application
game	I-Application
consoles	I-Application
,	O
the	B-Operating_System
Wii	I-Operating_System
is	O
not	O
only	O
about	O
games	O
.	O
</s>
<s>
For	O
example	O
,	O
it	O
is	O
possible	O
to	O
install	O
applications	O
such	O
as	O
Netflix	O
to	O
stream	O
media	O
(	O
without	O
requiring	O
a	O
disc	O
)	O
on	O
the	B-Operating_System
Wii	I-Operating_System
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
Menu	O
let	O
users	O
access	O
both	O
game	O
and	O
no-game	O
functions	O
through	O
built-in	O
applications	O
called	O
Channels	O
,	O
which	O
are	O
designed	O
to	O
represent	O
television	O
channels	O
.	O
</s>
<s>
There	O
are	O
six	O
primary	O
channels	O
:	O
the	O
Disc	O
Channel	O
,	O
Mii	O
Channel	O
,	O
Photo	O
Channel	O
,	O
Wii	B-Application
Shop	I-Application
Channel	I-Application
,	O
Forecast	O
Channel	O
and	O
News	O
Channel	O
,	O
although	O
the	O
latter	O
two	O
were	O
not	O
initially	O
included	O
and	O
only	O
became	O
available	O
via	O
system	O
updates	O
.	O
</s>
<s>
Some	O
of	O
the	O
functions	O
provided	O
by	O
these	O
Channels	O
on	O
the	B-Operating_System
Wii	I-Operating_System
used	O
to	O
be	O
limited	O
to	O
a	O
computer	O
,	O
such	O
as	O
a	O
full-featured	O
web	B-Application
browser	I-Application
and	O
digital	O
photo	O
viewer	O
.	O
</s>
<s>
Users	O
can	O
also	O
use	O
Channels	O
to	O
create	O
and	O
share	O
cartoon-like	O
digital	O
avatars	O
called	O
Miis	O
and	O
download	O
new	O
games	O
and	O
Channels	O
directly	O
from	O
the	B-Operating_System
Wii	I-Operating_System
Shop	O
Channel	O
.	O
</s>
<s>
New	O
Channels	O
include	O
,	O
for	O
example	O
,	O
the	O
Everybody	O
Votes	O
Channel	O
and	O
the	O
Internet	B-Protocol
Channel	I-Protocol
.	O
</s>
<s>
Separate	O
Channels	O
are	O
graphically	O
displayed	O
in	O
a	O
grid	O
and	O
can	O
be	O
navigated	O
using	O
the	O
pointer	O
capability	O
of	O
the	B-Operating_System
Wii	I-Operating_System
Remote	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
system	O
supports	O
wireless	O
connectivity	O
with	O
the	O
Nintendo	B-Device
DS	I-Device
handheld	O
console	O
with	O
no	O
additional	O
accessories	O
.	O
</s>
<s>
This	O
connectivity	O
allows	O
players	O
to	O
use	O
the	O
Nintendo	B-Device
DS	I-Device
microphone	B-Application
and	O
touch	B-Device
screen	I-Device
as	O
inputs	O
for	O
Wii	B-Operating_System
games	O
.	O
</s>
<s>
Pokémon	B-Application
Battle	I-Application
Revolution	I-Application
is	O
the	O
first	O
example	O
Nintendo	O
has	O
given	O
of	O
a	O
game	O
using	O
Nintendo	O
DS-Wii	O
connectivity	O
.	O
</s>
<s>
Nintendo	O
later	O
released	O
the	O
Nintendo	O
Channel	O
for	O
the	B-Operating_System
Wii	I-Operating_System
allowing	O
its	O
users	O
to	O
download	O
game	O
demos	O
or	O
additional	O
data	O
to	O
their	O
Nintendo	B-Device
DS	I-Device
.	O
</s>
<s>
Like	O
many	O
other	O
video	B-Application
game	I-Application
consoles	I-Application
,	O
the	B-Operating_System
Wii	I-Operating_System
console	O
is	O
able	O
to	O
connect	O
to	O
the	O
Internet	O
,	O
although	O
this	O
is	O
not	O
required	O
for	O
the	B-Operating_System
Wii	I-Operating_System
system	O
itself	O
to	O
function	O
.	O
</s>
<s>
Each	O
Wii	B-Operating_System
has	O
its	O
own	O
unique	O
16-digit	O
Wii	B-Operating_System
Code	O
for	O
use	O
with	O
Wii	B-Operating_System
's	O
non-game	O
features	O
.	O
</s>
<s>
With	O
Internet	O
connection	O
enabled	O
users	O
are	O
able	O
to	O
access	O
the	O
established	O
Nintendo	B-Application
Wi-Fi	I-Application
Connection	I-Application
service	O
.	O
</s>
<s>
Wireless	B-Application
encryption	I-Application
by	O
WEP	B-Protocol
,	O
WPA	O
(	O
TKIP/RC4	O
)	O
and	O
WPA2	B-Protocol
(	O
CCMP/AES	O
)	O
is	O
supported	O
.	O
</s>
<s>
As	O
with	O
the	O
Nintendo	B-Device
DS	I-Device
,	O
Nintendo	O
does	O
not	O
charge	O
for	O
playing	O
via	O
the	O
service	O
;	O
the	O
12-digit	O
Friend	O
Code	O
system	O
controls	O
how	O
players	O
connect	O
to	O
one	O
another	O
.	O
</s>
<s>
The	O
service	O
has	O
a	O
few	O
features	O
for	O
the	O
console	O
,	O
including	O
the	O
Virtual	B-Application
Console	I-Application
,	O
WiiConnect24	B-Device
and	O
several	O
Channels	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
console	O
can	O
also	O
communicate	O
and	O
connect	O
with	O
other	O
Wii	B-Operating_System
systems	I-Operating_System
through	O
a	O
self-generated	O
wireless	O
LAN	O
,	O
enabling	O
local	O
wireless	O
multiplayer	O
on	O
different	O
television	O
sets	O
.	O
</s>
<s>
The	O
system	O
also	O
implements	O
console-based	O
software	O
,	O
including	O
the	B-Operating_System
Wii	I-Operating_System
Message	O
Board	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
console	O
also	O
includes	O
a	O
web	B-Application
browser	I-Application
known	O
as	O
the	O
Internet	B-Protocol
Channel	I-Protocol
,	O
which	O
is	O
a	O
version	O
of	O
the	O
Opera	B-Application
9	O
browser	B-Application
with	O
menus	O
.	O
</s>
<s>
It	O
is	O
meant	O
to	O
be	O
a	O
convenient	O
way	O
to	O
access	O
the	O
web	O
on	O
the	O
television	O
screen	O
,	O
although	O
it	O
is	O
far	O
from	O
offering	O
a	O
comfortable	O
user	B-Application
interface	I-Application
compared	O
with	O
modern	O
Internet	B-Application
browsers	I-Application
.	O
</s>
<s>
A	O
virtual	O
keyboard	O
pops	O
up	O
when	O
needed	O
for	O
input	O
,	O
and	O
the	B-Operating_System
Wii	I-Operating_System
Remote	O
acts	O
like	O
a	O
mouse	O
,	O
making	O
it	O
possible	O
to	O
click	O
anywhere	O
on	O
the	O
screen	O
and	O
navigate	O
through	O
web	O
links	O
.	O
</s>
<s>
However	O
,	O
the	O
browser	B-Application
cannot	O
always	O
handle	O
all	O
the	O
features	O
of	O
most	O
normal	O
web	O
pages	O
,	O
although	O
it	O
does	O
support	O
Adobe	B-Operating_System
Flash	I-Operating_System
,	O
thus	O
capable	O
of	O
playing	O
Flash	O
games	O
.	O
</s>
<s>
Some	O
third-party	O
services	O
such	O
as	O
the	O
online	O
BBC	B-Application
iPlayer	I-Application
were	O
also	O
available	O
on	O
the	B-Operating_System
Wii	I-Operating_System
via	O
the	O
Internet	B-Protocol
Channel	I-Protocol
browser	B-Application
,	O
although	O
BBC	B-Application
iPlayer	I-Application
was	O
later	O
relaunched	O
as	O
the	O
separate	O
BBC	B-Application
iPlayer	I-Application
Channel	O
on	O
the	B-Operating_System
Wii	I-Operating_System
.	O
</s>
<s>
In	O
addition	O
,	O
Internet	O
access	O
including	O
the	O
Internet	B-Protocol
Channel	I-Protocol
and	O
system	O
updates	O
may	O
be	O
restricted	O
by	O
the	O
parental	O
controls	O
feature	O
of	O
the	B-Operating_System
Wii	I-Operating_System
.	O
</s>
<s>
The	O
original	O
designs	O
of	O
the	B-Operating_System
Nintendo	I-Operating_System
Wii	I-Operating_System
console	O
,	O
more	O
specifically	O
the	B-Operating_System
Wii	I-Operating_System
models	O
made	O
pre-2011	O
were	O
fully	O
backward	B-General_Concept
compatible	I-General_Concept
with	O
GameCube	B-Application
devices	O
including	O
game	O
discs	O
,	O
memory	O
cards	O
and	O
controllers	O
.	O
</s>
<s>
This	O
was	O
because	O
the	B-Operating_System
Wii	I-Operating_System
hardware	O
had	O
ports	O
for	O
both	O
GameCube	B-Application
memory	O
cards	O
,	O
and	O
peripherals	O
and	O
its	O
slot-loading	O
drive	O
was	O
able	O
to	O
accept	O
and	O
read	O
the	O
previous	O
console	O
's	O
discs	O
.	O
</s>
<s>
GameCube	B-Application
games	O
work	O
with	O
the	B-Operating_System
Wii	I-Operating_System
without	O
any	O
additional	O
configuration	O
,	O
but	O
a	O
GameCube	B-Application
controller	O
is	O
required	O
to	O
play	O
GameCube	B-Application
titles	O
;	O
neither	O
the	B-Operating_System
Wii	I-Operating_System
Remote	O
or	O
the	O
Classic	B-Device
Controller	I-Device
functions	O
in	O
this	O
capacity	O
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
supports	O
progressive-scan	B-Device
output	O
in	O
480p-enabled	O
GameCube	B-Application
titles	O
.	O
</s>
<s>
Peripherals	O
can	O
be	O
connected	O
via	O
a	O
set	O
of	O
four	O
GameCube	B-Application
controller	O
sockets	O
and	O
two	O
Memory	O
Card	O
slots	O
(	O
concealed	O
by	O
removable	O
flip-open	O
panels	O
)	O
.	O
</s>
<s>
The	O
console	O
retains	O
connectivity	O
with	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
and	O
e-Reader	B-Application
through	O
the	O
Game	B-Device
Boy	I-Device
Advance	I-Device
Cable	I-Device
,	O
which	O
is	O
used	O
in	O
the	O
same	O
manner	O
as	O
with	O
the	O
GameCube	B-Application
;	O
however	O
,	O
this	O
feature	O
can	O
only	O
be	O
accessed	O
on	O
select	O
GameCube	B-Application
titles	O
which	O
previously	O
utilized	O
it	O
.	O
</s>
<s>
There	O
are	O
also	O
a	O
few	O
limitations	O
in	O
the	O
backward	B-General_Concept
compatibility	I-General_Concept
.	O
</s>
<s>
For	O
example	O
,	O
online	O
and	O
LAN	O
features	O
of	O
certain	O
GameCube	B-Application
games	O
were	O
not	O
available	O
since	O
the	B-Operating_System
Wii	I-Operating_System
does	O
not	O
have	O
serial	O
ports	O
for	O
the	O
Nintendo	B-Device
GameCube	I-Device
Broadband	I-Device
Adapter	I-Device
and	I-Device
Modem	I-Device
Adapter	I-Device
.	O
</s>
<s>
The	B-Operating_System
Wii	I-Operating_System
uses	O
a	O
proprietary	B-Application
port	O
for	O
video	O
output	O
,	O
and	O
is	O
incompatible	O
with	O
all	O
Nintendo	B-Application
GameCube	I-Application
audio/video	O
cables	O
(	O
composite	O
video	O
,	O
S-Video	O
,	O
component	O
video	O
and	O
RGB	O
SCART	B-Protocol
)	O
.	O
</s>
<s>
The	O
console	O
also	O
lacks	O
the	O
GameCube	B-Application
footprint	O
and	O
high-speed	O
port	O
needed	O
for	O
Game	B-Device
Boy	I-Device
Player	I-Device
support	O
.	O
</s>
<s>
Furthermore	O
,	O
only	O
GameCube	B-Application
functions	O
were	O
available	O
and	O
only	O
compatible	O
memory	O
cards	O
and	O
controllers	O
could	O
be	O
used	O
when	O
playing	O
a	O
GameCube	B-Application
game	O
.	O
</s>
<s>
This	O
is	O
due	O
to	O
the	O
fact	O
that	O
the	B-Operating_System
Wii	I-Operating_System
's	O
internal	O
memory	O
would	O
not	O
save	O
GameCube	B-Application
data	O
.	O
</s>
<s>
Because	O
of	O
the	O
original	O
device	O
's	O
backward	B-General_Concept
compatibility	I-General_Concept
with	O
earlier	O
Nintendo	O
products	O
players	O
can	O
enjoy	O
a	O
massive	O
selection	O
of	O
older	O
games	O
on	O
the	O
console	O
in	O
addition	O
to	O
hundreds	O
of	O
newer	O
Wii	B-Operating_System
game	O
titles	O
.	O
</s>
<s>
However	O
,	O
South	O
Korean	O
units	O
lack	O
GameCube	B-Application
backward	B-General_Concept
compatibility	I-General_Concept
.	O
</s>
<s>
Also	O
,	O
the	O
redesigned	O
Wii	B-Operating_System
Family	O
Edition	O
and	O
Wii	B-Operating_System
Mini	O
,	O
launched	O
in	O
2011	O
and	O
2013	O
respectively	O
,	O
had	O
this	O
compatibility	O
stripped	O
out	O
.	O
</s>
<s>
Nevertheless	O
,	O
there	O
is	O
another	O
service	O
called	O
Virtual	B-Application
Console	I-Application
which	O
allow	O
users	O
to	O
download	O
older	O
games	O
from	O
prior	O
Nintendo	O
platforms	O
(	O
namely	O
the	O
Nintendo	O
Entertainment	O
System	O
,	O
Super	B-Application
NES	I-Application
and	O
Nintendo	B-Operating_System
64	I-Operating_System
)	O
onto	O
their	O
Wii	B-Operating_System
console	I-Operating_System
,	O
as	O
well	O
as	O
games	O
from	O
non-Nintendo	O
platforms	O
such	O
as	O
the	O
Genesis	B-Operating_System
and	O
TurboGrafx-16	B-General_Concept
.	O
</s>
<s>
This	O
is	O
a	O
list	O
of	O
new	O
Wii	B-Operating_System
Channels	O
released	O
beyond	O
the	O
four	O
initial	O
Channels	O
(	O
i.e.	O
</s>
<s>
Disc	O
Channel	O
,	O
Mii	O
Channel	O
,	O
Photo	O
Channel	O
and	O
Wii	B-Application
Shop	I-Application
Channel	I-Application
)	O
included	O
in	O
the	O
original	O
consoles	O
.	O
</s>
<s>
As	O
of	O
January	O
30	O
,	O
2019	O
,	O
all	O
channels	O
listed	O
below	O
have	O
been	O
discontinued	O
with	O
the	O
exception	O
of	O
the	B-Operating_System
Wii	I-Operating_System
Fit	O
Channel	O
and	O
the	O
Internet	B-Protocol
Channel	I-Protocol
.	O
</s>
<s>
For	O
a	O
while	O
after	O
that	O
,	O
the	B-Operating_System
Wii	I-Operating_System
received	O
new	O
features	O
such	O
as	O
the	O
Forecast	O
Channel	O
,	O
as	O
well	O
as	O
bug	B-Error_Name
fixes	O
.	O
</s>
<s>
Some	O
of	O
these	O
updates	O
also	O
included	O
fixes	O
to	O
block	O
the	O
early	O
forms	O
of	O
homebrew	B-Application
,	O
the	O
first	O
of	O
which	O
was	O
an	O
SSL	O
issue	O
in	O
the	B-Operating_System
Wii	I-Operating_System
Shop	O
Channel	O
.	O
</s>
<s>
Later	O
in	O
2007	O
,	O
Nintendo	O
added	O
code	O
to	O
block	O
the	O
GameCube	B-Application
Action	B-Device
Replay	I-Device
,	O
although	O
this	O
update	O
was	O
bundled	O
with	O
several	O
other	O
features	O
in	O
the	O
3.0	O
update	O
.	O
</s>
<s>
A	O
week	O
after	O
Wii	B-Device
Freeloader	I-Device
released	O
,	O
Nintendo	O
released	O
an	O
update	O
containing	O
a	O
new	O
IOS	B-Operating_System
with	O
the	O
bug	B-Error_Name
exploited	O
by	O
Freeloader	O
fixed	O
,	O
although	O
this	O
new	O
IOS	B-Operating_System
was	O
not	O
used	O
by	O
the	B-Operating_System
Wii	I-Operating_System
Menu	O
.	O
</s>
<s>
Later	O
that	O
year	O
,	O
Nintendo	O
released	O
a	O
new	O
Wii	B-Operating_System
Menu	O
that	O
copied	O
this	O
fix	O
to	O
the	O
IOS	B-Operating_System
user	O
by	O
the	B-Operating_System
Wii	I-Operating_System
Menu	O
.	O
</s>
<s>
In	O
addition	O
,	O
code	O
was	O
added	O
to	O
the	B-Operating_System
Wii	I-Operating_System
Menu	O
to	O
delete	O
the	O
primary	O
homebrew	B-Application
entrypoint	O
on	O
every	O
boot	O
,	O
although	O
this	O
code	O
was	O
very	O
buggy	O
and	O
was	O
easily	O
bypassed	O
.	O
</s>
<s>
Nintendo	O
also	O
patched	O
the	O
hole	O
used	O
to	O
extract	O
the	O
private	O
encryption	O
keys	O
of	O
the	B-Operating_System
Wii	I-Operating_System
,	O
and	O
finally	O
made	O
a	O
small	O
change	O
to	O
the	O
Mii	O
Channel	O
to	O
convince	O
people	O
to	O
update	O
.	O
</s>
<s>
Nintendo	O
's	O
next	O
few	O
updates	O
made	O
similar	O
small	O
changes	O
to	O
various	O
channels	O
,	O
and	O
one	O
of	O
them	O
copied	O
the	O
fix	O
for	O
the	O
previous	O
IOS	B-Operating_System
bug	B-Error_Name
to	O
every	O
IOS	B-Operating_System
,	O
as	O
well	O
as	O
a	O
few	O
other	O
exploit	O
fixes	O
.	O
</s>
<s>
A	O
few	O
weeks	O
later	O
,	O
Nintendo	O
ported	O
these	O
new	O
fixes	O
to	O
every	O
IOS	B-Operating_System
,	O
made	O
a	O
failed	O
attempt	O
to	O
block	O
a	O
specific	O
homebrew	B-Application
IOS	B-Operating_System
,	O
and	O
made	O
their	O
second	O
attempt	O
at	O
fixing	O
the	O
main	O
homebrew	B-Application
entrypoint	O
.	O
</s>
<s>
This	O
attempt	O
at	O
stopping	O
the	O
homebrew	B-Application
entrypoint	O
was	O
then	O
superseded	O
by	O
a	O
successful	O
attempt	O
in	O
2009	O
,	O
along	O
with	O
other	O
IOS	B-Operating_System
fixes	O
,	O
and	O
some	O
features	O
.	O
</s>
<s>
Later	O
that	O
year	O
,	O
Nintendo	O
released	O
another	O
homebrew-blocking	O
update	O
,	O
but	O
unlike	O
the	O
previous	O
updates	O
,	O
it	O
offered	O
no	O
new	O
features	O
;	O
instead	O
,	O
it	O
updated	O
the	B-Operating_System
Wii	I-Operating_System
Shop	O
Channel	O
to	O
require	O
the	O
new	O
version	O
.	O
</s>
<s>
In	O
addition	O
to	O
fixing	O
homebrew	B-Application
bugs	B-Error_Name
,	O
it	O
aggressively	O
checks	O
for	O
the	O
Homebrew	B-Application
Channel	O
and	O
deletes	O
it	O
if	O
it	O
is	O
present	O
,	O
replaced	O
several	O
IOSes	O
used	O
by	O
homebrew	B-Application
with	O
nonfunctional	O
versions	O
,	O
and	O
updated	O
a	O
bootloader	B-Application
to	O
overwrite	O
the	O
one	O
used	O
by	O
homebrew	B-Application
,	O
unexpectedly	O
causing	O
many	O
consoles	O
to	O
refuse	O
to	O
boot	O
.	O
</s>
<s>
Two	O
similar	O
updates	O
were	O
then	O
released	O
throughout	O
2010	O
,	O
although	O
the	O
only	O
attempts	O
to	O
stop	O
Wii	B-Operating_System
homebrew	B-Application
past	O
that	O
were	O
in	O
the	B-Operating_System
Wii	I-Operating_System
U	O
's	O
Wii	B-Operating_System
Mode	O
feature	O
.	O
</s>
<s>
The	O
final	O
update	O
delivered	O
in	O
PAL	O
and	O
American	O
regions	O
added	O
support	O
to	O
transfer	O
content	O
to	O
the	B-Operating_System
Wii	I-Operating_System
U	O
.	O
</s>
<s>
However	O
,	O
two	O
updates	O
were	O
released	O
in	O
Japan	O
past	O
this	O
point	O
that	O
only	O
affected	O
Dragon	B-Protocol
Quest	I-Protocol
X	I-Protocol
players	O
,	O
solely	O
updating	O
the	O
IOS	B-Operating_System
used	O
by	O
Dragon	B-Protocol
Quest	I-Protocol
X	I-Protocol
.	O
</s>
