<s>
The	O
O2	B-Operating_System
Xda	I-Operating_System
brand	O
was	O
a	O
range	O
of	O
Windows	B-Operating_System
Mobile	I-Operating_System
PDA	B-Device
phones	I-Device
,	O
marketed	O
by	O
O2	O
,	O
developed	O
by	O
O2	O
Asia	O
and	O
manufactured	O
by	O
multiple	O
OEMs	O
(	O
mainly	O
HTC	O
,	O
Quanta	O
and	O
Arima	O
)	O
.	O
</s>
<s>
The	O
"	O
X	O
"	O
represents	O
convergence	O
of	O
voice	O
and	O
information/data	O
within	O
one	O
product	O
;	O
the	O
"	O
DA	O
"	O
stands	O
for	O
"	O
Digital	O
Assistant	O
"	O
,	O
as	O
in	O
PDA	B-Application
.	O
</s>
<s>
The	O
name	O
of	O
XDA	B-Application
Developers	I-Application
is	O
derived	O
from	O
it	O
.	O
</s>
<s>
The	O
Xda	O
IQ	O
was	O
released	O
in	O
2005	O
and	O
runs	O
Windows	B-Operating_System
Mobile	I-Operating_System
5	I-Operating_System
Smartphone	O
Edition	O
.	O
</s>
<s>
The	O
Xda	O
Exec	O
was	O
released	O
in	O
July	O
2005	O
and	O
is	O
the	O
first	O
Xda	O
to	O
run	O
Windows	B-Operating_System
Mobile	I-Operating_System
5	I-Operating_System
,	O
with	O
highest	O
speed	O
processor	O
at	O
the	O
time	O
.	O
</s>
<s>
ROM	B-Device
upgrade	O
available	O
at	O
for	O
UK/Irish	O
users	O
.	O
</s>
<s>
The	O
Xda	O
Mini	O
S	O
was	O
released	O
shortly	O
after	O
the	O
Xda	O
Exec	O
,	O
and	O
was	O
the	O
second	O
Xda	O
to	O
run	O
Windows	B-Operating_System
Mobile	I-Operating_System
5	I-Operating_System
.	O
</s>
<s>
It	O
runs	O
Windows	B-Operating_System
Mobile	I-Operating_System
5	I-Operating_System
and	O
has	O
approximately	O
the	O
same	O
dimensions	O
as	O
the	O
Xda	O
mini	O
,	O
but	O
has	O
much	O
improved	O
features	O
.	O
</s>
<s>
Announced	O
in	O
May	O
2006	O
,	O
it	O
will	O
be	O
the	O
second	O
3G-enabled	O
model	O
in	O
the	O
xda	O
range	O
.	O
</s>
<s>
Like	O
the	O
Exec	O
,	O
it	O
will	O
have	O
two	O
CMOS	O
cameras	O
-	O
a	O
VGA	B-Protocol
camera	O
on	O
the	O
front	O
for	O
video	O
calls	O
,	O
and	O
a	O
2-megapixel	O
camera	O
on	O
the	O
back	O
.	O
</s>
<s>
This	O
candybar	O
sized	O
phone	O
was	O
announced	O
in	O
March	O
2007	O
and	O
supports	O
both	O
3G	B-Architecture
and	O
WiFi	O
.	O
</s>
<s>
The	O
O2	B-Operating_System
Xda	I-Operating_System
Stealth	O
was	O
O2	O
's	O
attempt	O
to	O
make	O
a	O
normal	O
mobile	O
phone	O
with	O
GPS	O
while	O
still	O
having	O
full	O
Windows	B-Operating_System
Mobile	I-Operating_System
and	O
PIM	O
Capabilities	O
.	O
</s>
<s>
The	O
XDA	O
Flame	O
is	O
the	O
first	O
dual	O
processor	O
PDA-phone	O
announced	O
by	O
O2	O
in	O
late	O
2006	O
and	O
contains	O
enhanced	O
screen	O
graphics	O
,	O
movie	O
playback	O
,	O
photo	O
viewing	O
,	O
and	O
gaming	O
performance	O
.	O
</s>
<s>
It	O
also	O
has	O
Windows	B-Operating_System
Mobile	I-Operating_System
6.0	O
operating	O
system	O
,	O
the	O
upgrade	O
from	O
WM5.0	O
.	O
</s>
<s>
It	O
has	O
a	O
3.2Mp	O
camera	O
,	O
802.11b/g	O
WiFi	O
,	O
HSDPA	O
,	O
GPS	O
,	O
and	O
2.8inch	O
65k	O
colour	O
touchscreen	B-Device
with	O
a	O
resolution	O
of	O
640x480	O
pixels	O
.	O
</s>
<s>
HSDPA	O
,	O
EDGE	O
and	O
3G	B-Architecture
.	O
</s>
