<s>
The	O
Sony	B-Language
Ericsson	I-Language
P1	I-Language
is	O
a	O
smartphone	B-Application
and	O
the	O
successor	O
of	O
the	O
P990	B-Operating_System
.	O
</s>
<s>
It	O
was	O
the	O
last	O
of	O
the	O
Sony	O
Ericsson	O
"	O
P	O
"	O
Smartphone	B-Application
series	O
,	O
introduced	O
in	O
2002	O
with	O
the	O
Sony	B-Language
Ericsson	I-Language
P800	I-Language
and	O
it	O
integrates	O
many	O
of	O
the	O
hardware	O
features	O
of	O
its	O
predecessor	O
the	O
P990	B-Operating_System
in	O
the	O
form	O
factor	O
of	O
the	O
M600	B-Language
.	O
</s>
<s>
Compare	O
with	O
P1/	O
P1i	B-Language
,	O
P1c	O
lacks	O
of	O
3G	O
,	O
thereby	O
using	O
EDGE	O
which	O
is	O
much	O
slower	O
but	O
more	O
available	O
especially	O
in	O
the	O
US	O
and	O
parts	O
of	O
Europe	O
.	O
</s>
<s>
The	O
phone	O
uses	O
the	O
UIQ	B-Language
3.0	O
software	O
platform	O
,	O
which	O
is	O
based	O
upon	O
Symbian	B-Operating_System
OS	I-Operating_System
9.1	O
.	O
</s>
<s>
It	O
is	O
slightly	O
thicker	O
than	O
the	O
M600	B-Language
as	O
a	O
result	O
of	O
the	O
new	O
hardware	O
features	O
,	O
but	O
this	O
is	O
reportedly	O
largely	O
indiscernible	O
.	O
</s>
<s>
It	O
is	O
nonetheless	O
considerably	O
thinner	O
than	O
the	O
P990	B-Operating_System
(	O
25%	O
smaller	O
-	O
as	O
the	O
official	O
press	O
review	O
states	O
)	O
.	O
</s>
<s>
As	O
a	O
result	O
of	O
its	O
increased	O
RAM	O
,	O
the	O
P1	O
's	O
multitasking	O
performance	O
was	O
far	O
more	O
stable	O
than	O
that	O
of	O
the	O
first	O
series	O
of	O
UIQ	B-Language
3	O
phones	O
from	O
Sony	O
Ericsson	O
(	O
P990	B-Operating_System
,	O
M600	B-Language
and	O
W950	B-Language
)	O
.	O
</s>
<s>
The	O
boot	O
speed	O
,	O
when	O
compared	O
to	O
the	O
P990	B-Operating_System
,	O
is	O
also	O
discernibly	O
faster	O
.	O
</s>
<s>
The	O
P1	O
uses	O
the	O
form	O
factor	O
of	O
the	O
M600	B-Language
and	O
consequently	O
shares	O
its	O
screen	O
size	O
of	O
2.6	O
inches	O
,	O
making	O
it	O
0.2	O
inches	O
smaller	O
than	O
its	O
predecessor	O
.	O
</s>
<s>
This	O
addresses	O
a	O
common	O
problem	O
faced	O
by	O
owners	O
of	O
the	O
P990	B-Operating_System
.	O
</s>
