<s>
Pocket	B-Operating_System
LOOX	I-Operating_System
was	O
a	O
series	O
of	O
Pocket	O
PC-based	O
personal	B-Application
digital	I-Application
assistants	I-Application
(	O
PDAs	B-Application
)	O
and	O
navigation	B-Application
systems	I-Application
developed	O
by	O
Fujitsu	O
Siemens	O
.	O
</s>
<s>
Pocket	B-Operating_System
LOOX	I-Operating_System
600	O
was	O
a	O
first	O
PDA	B-Application
by	O
Fujitsu	O
Siemens	O
,	O
and	O
HTC	O
,	O
released	O
in	O
2002	O
.	O
</s>
<s>
It	O
had	O
a	O
built-in	O
Bluetooth	B-Protocol
module	O
and	O
two	O
expansion	O
slots	O
,	O
SD/MMC	O
and	O
CF	O
.	O
</s>
<s>
Fujitsu	O
Siemens	O
later	O
released	O
GPRS	B-General_Concept
expansion	O
module	O
that	O
provides	O
mobile	O
phone	O
functionality	O
.	O
</s>
<s>
Pocket	B-Operating_System
LOOX	I-Operating_System
600	O
can	O
be	O
upgraded	O
to	O
Windows	B-Operating_System
Mobile	I-Operating_System
2003	O
.	O
</s>
<s>
Pocket	B-Operating_System
LOOX	I-Operating_System
navigation	B-Application
systems	I-Application
were	O
powered	O
by	O
Navigon	O
MobileNavigator|6s	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
run	O
Linux	B-Application
on	O
Pocket	B-Operating_System
LOOX	I-Operating_System
600	O
.	O
</s>
<s>
The	O
latest	O
supported	O
version	O
of	O
Linux	B-Application
kernel	O
is	O
2.4.19	O
.	O
</s>
<s>
Linux	B-Application
is	O
loaded	O
from	O
a	O
CF	O
card	O
,	O
allowing	O
a	O
return	O
to	O
PocketPC	B-Device
2002	O
.	O
</s>
<s>
But	O
during	O
restart	O
,	O
all	O
contents	O
of	O
RAM	B-Architecture
are	O
erased	O
.	O
</s>
<s>
To	O
prevent	O
data	O
loss	O
,	O
users	O
should	O
backup	O
RAM	B-Architecture
before	O
restarting	O
to	O
Linux	B-Application
.	O
</s>
<s>
Work	O
is	O
being	O
done	O
to	O
port	O
Android	B-Application
to	O
Pocket	B-Operating_System
Loox	I-Operating_System
720	O
.	O
</s>
<s>
A	O
port	O
of	O
Android	B-Application
2.2	O
is	O
running	O
on	O
the	O
720	O
.	O
</s>
