<s>
The	O
Samsung	B-Application
SPH-i500	I-Application
was	O
a	O
Palm	O
OS-based	O
smartphone	B-Application
manufactured	O
by	O
Samsung	O
Electronics	O
.	O
</s>
<s>
The	O
CDMA	B-Protocol
phone	O
has	O
a	O
clamshell-style	O
design	O
,	O
with	O
the	O
160×240	O
pixel	B-Algorithm
color	O
display	O
on	O
the	O
top	O
half	O
,	O
and	O
the	O
Graffiti	B-Application
area	O
and	O
telephone	O
keypad	O
on	O
the	O
bottom	O
half	O
.	O
</s>
<s>
It	O
operates	O
like	O
a	O
standard	O
color	O
Palm	B-Operating_System
OS	I-Operating_System
device	O
,	O
but	O
several	O
hard	O
(	O
external	O
)	O
and	O
software-imbedded	O
buttons	O
launch	O
the	O
'	O
phone	O
 '	O
application	O
,	O
which	O
manages	O
calls	O
.	O
</s>
<s>
Despite	O
the	O
Graffiti	B-Application
interface	O
,	O
the	O
device	O
could	O
not	O
send	O
text	O
messages	O
,	O
though	O
it	O
could	O
receive	O
them	O
.	O
</s>
<s>
Applications	O
include	O
the	O
Handspring	O
Blazer	B-Application
microbrowser	B-Application
and	O
Voice	O
Memo	O
,	O
but	O
exclude	O
Palm	B-Operating_System
OS	I-Operating_System
Note	O
Pad	O
.	O
</s>
<s>
service	O
for	O
the	O
Blazer	B-Application
browser	O
.	O
</s>
<s>
The	O
SPH-i500	O
is	O
the	O
last	O
Palm-OS-based	O
smartphone	B-Application
to	O
use	O
a	O
clamshell	O
design	O
and	O
employ	O
Graffiti	B-Application
input	O
.	O
</s>
<s>
Samsung	O
developed	O
a	O
follow-on	O
Palm	B-Operating_System
OS	I-Operating_System
smartphone	B-Application
with	O
multimedia	O
features	O
,	O
the	O
SPH-i550	O
,	O
but	O
Sprint	O
canceled	O
it	O
.	O
</s>
