<s>
The	O
Palm	B-Application
Treo	I-Application
650	I-Application
is	O
a	O
Palm	O
OS-based	O
smartphone	B-Application
,	O
the	O
successor	O
to	O
Palm	O
's	O
Treo	B-Application
600	I-Application
.	O
</s>
<s>
The	O
following	O
GSM	O
and	O
CDMA2000	O
mobile	O
phone	O
operators	O
currently	O
or	O
previously	O
offered	O
a	O
custom-branded	O
(	O
OEM	O
)	O
version	O
of	O
the	O
Treo	B-Application
650	I-Application
:	O
</s>
<s>
Nextel	O
(	O
USA	O
)	O
and	O
other	O
iDEN	O
providers	O
are	O
not	O
compatible	O
with	O
the	O
Treo	B-Application
650	I-Application
,	O
as	O
this	O
technology	O
has	O
not	O
been	O
integrated	O
into	O
the	O
Treo	O
platform	O
.	O
</s>
<s>
T-Mobile	O
(	O
USA	O
)	O
and	O
other	O
GSM	O
carriers	O
not	O
listed	O
above	O
are	O
compatible	O
with	O
the	O
unlocked	O
version	O
of	O
the	O
GSM	O
Treo	B-Application
650	I-Application
.	O
</s>
<s>
At	O
the	O
time	O
of	O
its	O
release	O
,	O
a	O
significant	O
number	O
of	O
users	O
experienced	O
problems	O
with	O
Palm	O
's	O
new	O
Non-Volatile	B-Operating_System
File	I-Operating_System
System	I-Operating_System
,	O
or	O
NVFS	B-Operating_System
,	O
based	O
on	O
the	O
FAT	B-Application
filesystem	I-Application
.	O
</s>
<s>
Compared	O
to	O
the	O
Treo	B-Application
600	I-Application
,	O
the	O
previous	O
version	O
of	O
the	O
Treo	O
,	O
the	O
Treo	B-Application
650	I-Application
used	O
more	O
memory	O
per	O
file	O
as	O
the	O
FAT	B-Application
filesystem	I-Application
rounded	O
file	O
sizes	O
to	O
the	O
next	O
highest	O
512-byte	O
multiple	O
.	O
</s>
<s>
Because	O
of	O
the	O
larger	O
file	O
sizes	O
,	O
some	O
users	O
upgrading	O
to	O
the	O
Treo	B-Application
650	I-Application
from	O
the	O
Treo	B-Application
600	I-Application
were	O
unable	O
to	O
fit	O
the	O
contents	O
of	O
their	O
old	O
device	O
into	O
the	O
same	O
amount	O
of	O
memory	O
on	O
the	O
new	O
device	O
.	O
</s>
<s>
To	O
remedy	O
the	O
initial	O
complaints	O
,	O
Palm	O
offered	O
a	O
free	O
128	O
MB	O
SD	B-Device
flash	I-Device
card	I-Device
to	O
Treo	B-Application
650	I-Application
users	O
.	O
</s>
<s>
Other	O
main	O
concerns	O
surrounding	O
the	O
Treo	B-Application
650	I-Application
(	O
during	O
its	O
initial	O
release	O
period	O
)	O
were	O
as	O
follows	O
:	O
</s>
<s>
Users	O
have	O
found	O
that	O
bluetooth-enabled	O
wireless	O
headsets	O
or	O
fixed	O
headsets	O
seemed	O
to	O
be	O
an	O
effective	O
work-around	O
.	O
</s>
<s>
Using	O
a	O
bluetooth-enabled	O
wireless	O
headset	O
would	O
also	O
take	O
care	O
of	O
this	O
problem	O
.	O
</s>
<s>
On	O
March	O
22	O
,	O
2005	O
,	O
palmOne	O
released	O
the	O
first	O
(	O
v1.12	O
)	O
for	O
Sprint-branded	O
phones	O
which	O
alleviated	O
the	O
NVFS	B-Operating_System
inefficiency	O
,	O
random	O
resets	O
and	O
the	O
microphone	O
problems	O
.	O
</s>
<s>
The	O
(	O
v1.13	O
)	O
was	O
also	O
released	O
on	O
the	O
day	O
of	O
the	O
second	O
Sprint	O
Treo	B-Application
650	I-Application
firmware	O
update	O
which	O
also	O
addresses	O
the	O
problems	O
first	O
fixed	O
with	O
the	O
first	O
Sprint	O
Treo	B-Application
650	I-Application
firmware	O
update	O
.	O
</s>
<s>
The	O
Rogers	O
Wireless	O
Treo	B-Application
650	I-Application
Firmware	O
Update	O
was	O
quietly	O
posted	O
at	O
the	O
Rogers	O
Wireless	O
Treo	B-Application
650	I-Application
support	O
site	O
,	O
and	O
like	O
the	O
Unlocked	O
GSM	O
Firmware	O
Update	O
,	O
fixes	O
the	O
main	O
concerns	O
during	O
the	O
initial	O
release	O
period	O
.	O
</s>
<s>
The	O
initial	O
release	O
of	O
the	O
Verizon	O
Wireless	O
Treo	B-Application
650	I-Application
and	O
the	O
Earthlink	O
Wireless	O
Treo	B-Application
650	I-Application
already	O
has	O
the	O
main	O
concerns	O
assessed	O
,	O
including	O
the	O
NVFS	B-Operating_System
Memory	O
System	O
fix	O
.	O
</s>
<s>
Treo	B-Application
650	I-Application
users	O
are	O
encouraged	O
to	O
deploy	O
the	O
latest	O
version	O
of	O
the	O
Treo	B-Application
650	I-Application
firmware	O
available	O
for	O
their	O
radio	O
type	O
(	O
GSM	O
or	O
CDMA2000	O
)	O
and	O
carrier	O
branding	O
.	O
</s>
<s>
Two	O
special	O
editions	O
existed	O
of	O
the	O
Treo	B-Application
650	I-Application
,	O
the	O
first	O
a	O
"	O
special	O
colour	O
edition	O
"	O
released	O
in	O
2006	O
with	O
spare	O
battery	O
and	O
PalmOne	O
256MB	O
Card	O
included	O
,	O
this	O
apparently	O
targeted	O
the	O
Japanese	O
market	O
with	O
extra	O
Language	O
functionality	O
available	O
in	O
the	O
preferences	O
menu	O
.	O
</s>
<s>
The	O
Treo	B-Application
Ace	I-Application
was	O
the	O
rumored	O
code	O
name	O
for	O
PalmOne	O
's	O
Treo	B-Application
650	I-Application
smartphone	B-Application
introduced	O
at	O
the	O
October	O
2004	O
CTIA	O
Conference	O
in	O
San	O
Francisco	O
.	O
</s>
<s>
A	O
string	O
inside	O
the	O
Bluetooth	B-Protocol
driver	O
file	O
indicates	O
that	O
another	O
internal	O
code	O
name	O
may	O
have	O
been	O
"	O
Ace	B-Application
Ventura	I-Application
"	O
,	O
a	O
reference	O
to	O
the	O
movie	O
of	O
the	O
same	O
name	O
.	O
</s>
<s>
The	O
Treo	B-Application
650	I-Application
can	O
boot	O
Linux	B-Application
using	O
a	O
SD	B-Device
card	I-Device
and	O
the	O
cocoboot	O
application	O
.	O
</s>
<s>
The	O
Treo	B-Application
650	I-Application
was	O
superseded	O
by	O
the	O
Treo	B-Application
755p	I-Application
(	O
CDMA2000	O
)	O
,	O
and	O
the	O
Treo	B-Application
680	I-Application
(	O
GSM	O
)	O
.	O
</s>
