<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
(	O
marketed	O
as	O
iPhone	B-Operating_System
5c	I-Operating_System
)	O
is	O
a	O
smartphone	B-Application
that	O
was	O
designed	O
and	O
marketed	O
by	O
Apple	O
Inc	O
.	O
</s>
<s>
It	O
is	O
part	O
of	O
the	O
sixth	O
generation	B-Application
of	O
the	O
iPhone	B-Operating_System
.	O
</s>
<s>
The	O
device	O
was	O
unveiled	O
on	O
September	O
10	O
,	O
2013	O
,	O
and	O
released	O
on	O
September	O
20	O
,	O
2013	O
,	O
along	O
with	O
its	O
higher-end	O
counterpart	O
,	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
.	O
</s>
<s>
The	O
"	O
c	O
"	O
in	O
the	O
iPhone	B-Operating_System
5c	I-Operating_System
's	O
name	O
stands	O
for	O
Color	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
is	O
a	O
variant	O
of	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
,	O
with	O
similar	O
hardware	O
specifications	O
but	O
a	O
hard-coated	O
polycarbonate	O
shell	O
instead	O
of	O
the	O
aluminum	O
of	O
the	O
original	O
iPhone	B-Operating_System
5	I-Operating_System
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
was	O
available	O
in	O
several	O
color	O
options	O
and	O
shipped	O
with	O
iOS	B-Operating_System
7	I-Operating_System
.	O
</s>
<s>
The	O
iPhone5C	O
was	O
released	O
at	O
a	O
lower	O
price	O
point	O
than	O
the	O
new	O
flagship	O
5S	B-Operating_System
;	O
unlike	O
Apple	O
's	O
usual	O
practice	O
of	O
lowering	O
the	O
price	O
of	O
the	O
previous	O
model	O
upon	O
release	O
of	O
a	O
new	O
version	O
,	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
was	O
explicitly	O
discontinued	O
and	O
replaced	O
by	O
the	O
5C	O
.	O
</s>
<s>
On	O
September	O
9	O
,	O
2014	O
,	O
the	O
16	O
and	O
32GB	O
iPhone	B-Operating_System
5C	I-Operating_System
models	O
were	O
replaced	O
by	O
the	O
8GB	O
model	O
upon	O
the	O
announcement	O
of	O
the	O
iPhone	B-Operating_System
6	I-Operating_System
and	I-Operating_System
6	I-Operating_System
Plus	I-Operating_System
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
was	O
the	O
last	O
new	O
iPhone	B-Operating_System
to	O
be	O
sold	O
at	O
a	O
lower	O
price	O
than	O
the	O
flagship	O
iPhone	B-Operating_System
until	O
the	O
release	O
of	O
the	O
first-generation	B-Operating_System
iPhone	I-Operating_System
SE	I-Operating_System
in	O
2016	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
XR	I-Operating_System
released	O
in	O
2018	O
was	O
considered	O
a	O
spiritual	O
successor	O
to	O
the	O
5C	O
by	O
some	O
observers	O
,	O
but	O
the	O
XR	O
shared	O
similar	O
internal	O
hardware	O
with	O
its	O
more	O
expensive	O
counterparts	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
was	O
redesigned	O
using	O
polycarbonate	O
housing	O
,	O
which	O
is	O
strengthened	O
by	O
a	O
steel	O
band	O
.	O
</s>
<s>
However	O
,	O
due	O
to	O
the	O
material	O
of	O
design	O
changes	O
,	O
the	O
phone	O
weighs	O
132	O
grams	O
,	O
which	O
is	O
20	O
grams	O
heavier	O
than	O
both	O
the	O
5	O
and	O
the	O
5S	B-Operating_System
,	O
but	O
still	O
lighter	O
than	O
older	O
iPhone	B-Operating_System
models	O
.	O
</s>
<s>
The	O
design	O
of	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
is	O
also	O
considerably	O
thicker	O
but	O
closely	O
similar	O
to	O
the	O
design	O
of	O
the	O
iPod	B-Device
Touch	I-Device
(	O
5th	O
generation	B-Application
)	O
models	O
,	O
which	O
is	O
also	O
available	O
in	O
a	O
variety	O
of	O
colors	O
but	O
is	O
constructed	O
with	O
different	O
materials	O
.	O
</s>
<s>
This	O
iPhone	B-Operating_System
received	O
positive	O
reviews	O
for	O
its	O
design	O
claiming	O
that	O
it	O
was	O
the	O
most	O
durable	O
iPhone	B-Operating_System
ever	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
was	O
offered	O
in	O
several	O
colors	O
.	O
</s>
<s>
The	O
features	O
iOS	B-Application
,	O
Apple	O
's	O
mobile	B-Operating_System
operating	I-Operating_System
system	I-Operating_System
.	O
</s>
<s>
The	O
user	B-Application
interface	I-Application
of	O
iOS	B-Application
is	O
based	O
on	O
the	O
concept	O
of	O
direct	O
manipulation	O
using	O
multi-touch	B-Application
gestures	O
.	O
</s>
<s>
Interaction	O
with	O
the	O
OS	O
includes	O
gestures	O
such	O
as	O
swipe	O
,	O
tap	O
,	O
pinch	O
,	O
and	O
reverse	O
pinch	O
,	O
all	O
of	O
which	O
have	O
specific	O
definitions	O
within	O
the	O
context	O
of	O
the	O
iOS	B-Application
operating	O
system	O
and	O
its	O
multi-touch	B-Application
interface	O
.	O
</s>
<s>
Internal	O
accelerometers	O
are	O
used	O
by	O
some	O
applications	B-Application
to	O
respond	O
to	O
shaking	O
the	O
device	O
(	O
one	O
common	O
result	O
is	O
the	O
undo	O
command	O
)	O
or	O
rotating	O
it	O
vertically	O
(	O
one	O
common	O
result	O
is	O
switching	O
from	O
portrait	O
to	O
landscape	O
mode	O
)	O
.	O
</s>
<s>
The	O
iPhone5C	O
was	O
supplied	O
with	O
iOS7	B-Operating_System
,	O
released	O
on	O
September	O
20	O
,	O
2013	O
.	O
</s>
<s>
Jony	O
Ive	O
,	O
the	O
designer	O
of	O
iOS	B-Operating_System
7	I-Operating_System
's	O
new	O
elements	O
,	O
described	O
the	O
update	O
as	O
"	O
bringing	O
order	O
to	O
complexity	O
"	O
,	O
highlighting	O
features	O
such	O
as	O
refined	O
typography	O
,	O
new	O
icons	O
,	O
translucency	O
,	O
layering	O
,	O
physics	O
,	O
and	O
gyroscope-driven	O
parallaxing	O
as	O
some	O
of	O
the	O
major	O
changes	O
to	O
the	O
design	O
.	O
</s>
<s>
The	O
design	O
of	O
both	O
iOS	B-Operating_System
7	I-Operating_System
and	O
OS	B-Device
X	I-Device
Yosemite	I-Device
(	O
version	O
10.10	O
)	O
noticeably	O
depart	O
from	O
skeuomorphic	O
elements	O
such	O
as	O
green	O
felt	O
in	O
Game	B-Operating_System
Center	I-Operating_System
,	O
wood	O
in	O
Newsstand	O
,	O
and	O
leather	O
in	O
Calendar	B-Operating_System
,	O
in	O
favor	O
of	O
flatter	O
graphic	O
design	O
.	O
</s>
<s>
The	O
phone	O
can	O
act	O
as	O
a	O
hotspot	B-Application
,	O
sharing	O
its	O
Internet	O
connection	O
over	O
Wi-Fi	O
,	O
Bluetooth	B-Protocol
,	O
or	O
USB	B-Protocol
,	O
and	O
also	O
accesses	O
the	O
App	B-Application
Store	I-Application
,	O
an	O
online	O
application	B-Application
distribution	O
platform	O
for	O
iOS	B-Application
developed	O
and	O
maintained	O
by	O
Apple	O
.	O
</s>
<s>
The	O
service	O
allows	O
users	O
to	O
browse	O
and	O
download	O
applications	B-Application
from	O
the	O
iTunes	O
Store	O
that	O
were	O
developed	O
with	O
Xcode	B-Operating_System
and	O
the	O
iOS	B-Operating_System
SDK	I-Operating_System
and	O
were	O
published	O
through	O
Apple.The	O
phone	O
can	O
act	O
as	O
a	O
hotspot	B-Application
,	O
sharing	O
its	O
Internet	O
connection	O
over	O
Wi-Fi	O
,	O
Bluetooth	B-Protocol
,	O
or	O
USB	B-Protocol
,	O
and	O
also	O
accesses	O
the	O
App	B-Application
Store	I-Application
,	O
an	O
online	O
application	B-Application
distribution	O
platform	O
for	O
iOS	B-Application
developed	O
and	O
maintained	O
by	O
Apple	O
.	O
</s>
<s>
The	O
service	O
allows	O
users	O
to	O
browse	O
and	O
download	O
applications	B-Application
from	O
the	O
iTunes	O
Store	O
that	O
were	O
developed	O
with	O
Xcode	B-Operating_System
and	O
the	O
iOS	B-Operating_System
SDK	I-Operating_System
and	O
were	O
published	O
through	O
Apple	O
.	O
</s>
<s>
iOS	B-Operating_System
7	I-Operating_System
adds	O
AirDrop	O
,	O
an	O
ad-hoc	O
Wi-Fi	O
sharing	O
platform	O
.	O
</s>
<s>
Users	O
can	O
share	O
files	O
with	O
an	O
iPhone	B-Operating_System
5	I-Operating_System
onwards	O
,	O
the	O
iPod	B-Device
Touch	I-Device
(	O
5th	O
generation	B-Application
)	O
,	O
iPad	B-Device
(	O
4th	O
generation	B-Application
)	O
,	O
or	O
iPad	B-Device
Mini	I-Device
.	O
</s>
<s>
The	O
operating	O
system	O
also	O
adds	O
Control	O
Center	O
,	O
which	O
gives	O
iOS	B-Application
users	O
access	O
to	O
commonly	O
used	O
controls	O
and	O
apps	O
.	O
</s>
<s>
By	O
swiping	O
up	O
from	O
any	O
screen	O
–	O
including	O
the	O
Lock	O
screen	O
–	O
users	O
can	O
do	O
such	O
things	O
as	O
switch	O
to	O
Airplane	B-Device
mode	I-Device
,	O
turn	O
Wi-Fi	O
on	O
or	O
off	O
,	O
adjust	O
the	O
display	O
brightness	O
and	O
similar	O
basic	O
functions	O
of	O
the	O
device	O
.	O
</s>
<s>
The	O
functions	O
as	O
a	O
media	O
player	O
,	O
and	O
includes	O
Apple	B-Application
Maps	I-Application
and	O
Passbook	B-Operating_System
.	O
</s>
<s>
The	O
mapping	O
application	B-Application
includes	O
turn-by-turn	B-Application
navigation	I-Application
spoken	O
directions	O
,	O
3D	O
views	O
in	O
some	O
major	O
cities	O
and	O
real-time	O
traffic	O
.	O
</s>
<s>
The	O
5C	O
includes	O
Siri	B-Application
,	O
an	O
intelligent	B-Protocol
personal	I-Protocol
assistant	I-Protocol
and	O
knowledge	B-Device
navigator	I-Device
.	O
</s>
<s>
The	O
application	B-Application
uses	O
a	O
natural	B-General_Concept
language	I-General_Concept
user	I-General_Concept
interface	I-General_Concept
to	O
answer	O
questions	O
,	O
make	O
recommendations	O
,	O
and	O
perform	O
actions	O
by	O
delegating	O
requests	O
to	O
a	O
set	O
of	O
Web	O
services	O
.	O
</s>
<s>
iOS	B-Operating_System
7	I-Operating_System
adds	O
new	O
male	O
and	O
female	O
voices	O
,	O
new	O
system	O
setting	O
functionalities	O
,	O
a	O
redesign	O
to	O
match	O
the	O
rest	O
of	O
the	O
operating	O
system	O
,	O
and	O
integration	O
with	O
Twitter	O
,	O
Wikipedia	O
,	O
Bing	O
,	O
and	O
Photos	O
.	O
</s>
<s>
The	O
highest	O
operating	O
system	O
it	O
supports	O
currently	O
is	O
iOS	B-Application
10	O
in	O
2016	O
.	O
iOS	B-Application
11	O
and	O
later	O
do	O
not	O
support	O
this	O
iPhone	B-Operating_System
,	O
as	O
the	O
phone	O
ceased	O
production	O
in	O
September	O
2015	O
,	O
and	O
it	O
is	O
also	O
a	O
32-bit	O
iPhone	B-Operating_System
.	O
</s>
<s>
Facebook	B-Application
comes	O
integrated	O
through	O
Apple	O
's	O
native	O
apps	O
.	O
</s>
<s>
Facebook	B-Application
features	O
can	O
be	O
directly	O
accessed	O
from	O
within	O
native	O
apps	O
such	O
as	O
Calendar	B-Operating_System
which	O
can	O
sync	O
Facebook	B-Application
events	O
,	O
or	O
use	O
Facebook	B-Application
's	O
like	O
button	O
from	O
within	O
the	O
Apple	B-Application
App	I-Application
Store	I-Application
.	O
</s>
<s>
iTunes	B-Operating_System
Radio	I-Operating_System
,	O
an	O
internet	O
radio	O
service	O
,	O
is	O
also	O
included	O
on	O
the	O
iPhone5C	O
.	O
</s>
<s>
It	O
is	O
a	O
free	O
,	O
ad-supported	O
service	O
available	O
to	O
all	O
iTunes	O
users	O
,	O
featuring	O
Siri	B-Application
integration	O
on	O
iOS	B-Application
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
uses	O
most	O
of	O
the	O
same	O
hardware	O
as	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
,	O
with	O
some	O
minor	O
changes	O
.	O
</s>
<s>
Compared	O
to	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
's	O
aluminum	O
body	O
,	O
the	O
5C	O
is	O
made	O
up	O
of	O
a	O
unibody	O
hard-coated	O
polycarbonate	O
body	O
with	O
a	O
steel-reinforced	O
frame	O
,	O
which	O
also	O
acts	O
as	O
an	O
antenna	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
is	O
available	O
in	O
multiple	O
bright	O
colors	O
for	O
the	O
back	O
—	O
blue	O
,	O
green	O
,	O
pink	O
,	O
yellow	O
,	O
and	O
white	O
,	O
with	O
a	O
black	O
glass	O
front	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
uses	O
a	O
system	B-Architecture
on	I-Architecture
chip	I-Architecture
(	O
SoC	O
)	O
,	O
called	O
the	O
Apple	O
A6	O
,	O
the	O
same	O
chip	O
that	O
powered	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
.	O
</s>
<s>
The	O
SoC	O
comprises	O
a	O
1.3GHz	O
dual-core	B-Architecture
processor	I-Architecture
,	O
1GB	O
of	O
RAM	B-Architecture
and	O
a	O
tri-core	B-Architecture
PowerVR	B-Device
SGX543MP3	O
running	O
at	O
266MHz	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
has	O
new	O
LTE	O
antennas	O
that	O
now	O
cover	O
more	O
LTE	O
bands	O
than	O
any	O
other	O
smartphone	B-Application
according	O
to	O
Apple	O
.	O
</s>
<s>
The	O
5C	O
features	O
a	O
4-inch	O
Retina	O
,	O
multi-touch	B-Application
display	O
,	O
which	O
has	O
a	O
640×1136pixel	O
resolution	O
.	O
</s>
<s>
Storage	O
capacities	O
available	O
are	O
fixed	O
at	O
8	O
,	O
16	O
,	O
or	O
32GB	O
;	O
plug-in	O
memory	B-Device
card	I-Device
are	O
not	O
supported	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
uses	O
a	O
Nano	O
SIM	O
card	O
,	O
same	O
as	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
and	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
.	O
</s>
<s>
The	O
rechargeable	O
lithium-ion	O
battery	O
with	O
a	O
charge	O
capacity	O
of	O
1510mAh	O
is	O
slightly	O
improved	O
upon	O
iPhone	B-Operating_System
5	I-Operating_System
's	O
1440mAh	O
battery	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
retains	O
the	O
8MP	O
back	O
camera	O
similar	O
to	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
but	O
with	O
a	O
different	O
camera	O
assembly	O
.	O
</s>
<s>
The	O
front	O
camera	O
,	O
which	O
is	O
accessible	O
through	O
the	O
FaceTime	B-Operating_System
and	O
camera	O
apps	O
,	O
has	O
a	O
lower	O
resolution	O
at	O
1.2	O
megapixels	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
lacks	O
the	O
major	O
new	O
features	O
introduced	O
in	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
.	O
</s>
<s>
It	O
does	O
not	O
have	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
's	O
Touch	O
ID	O
fingerprint	B-Algorithm
scanner	O
.	O
</s>
<s>
It	O
also	O
does	O
not	O
have	O
the	O
64-bit	O
A7	O
SoC	O
with	O
the	O
M7	O
motion	O
co-processor	O
.	O
</s>
<s>
However	O
,	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
does	O
support	O
snapping	O
still	O
photos	O
while	O
video	O
recording	O
and	O
3x	O
digital	B-General_Concept
zooming	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
was	O
the	O
last	O
iPhone	B-Operating_System
that	O
has	O
a	O
32-bit	O
processor	B-General_Concept
and	O
one	O
of	O
the	O
last	O
iOS	B-Application
devices	O
to	O
have	O
a	O
32-bit	O
processor	B-General_Concept
,	O
along	O
with	O
the	O
iPad	B-Device
(	O
4th	O
generation	B-Application
)	O
,	O
which	O
has	O
a	O
A6X	O
chip	O
.	O
</s>
<s>
During	O
the	O
iPhone	B-Operating_System
's	O
media	O
event	O
,	O
Apple	O
announced	O
a	O
case	O
for	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
that	O
is	O
available	O
in	O
six	O
colors	O
:	O
black	O
,	O
white	O
,	O
pink	O
,	O
yellow	O
,	O
blue	O
and	O
green	O
.	O
</s>
<s>
Holes	O
are	O
cut	O
out	O
of	O
the	O
case	O
to	O
show	O
the	O
color	O
of	O
the	O
iPhone	B-Operating_System
's	O
back	O
through	O
the	O
case	O
,	O
making	O
for	O
an	O
almost	O
two-tone	O
looking	O
device	O
(	O
although	O
this	O
resulted	O
in	O
the	O
"	O
iPhone	B-Operating_System
"	O
inscription	O
on	O
the	O
back	O
to	O
appear	O
as	O
"	O
hon	O
"	O
.	O
)	O
</s>
<s>
This	O
is	O
the	O
first	O
time	O
Apple	O
released	O
a	O
case	O
for	O
an	O
iPhone	B-Operating_System
since	O
the	O
iPhone	B-Operating_System
4	O
with	O
the	O
iPhone	B-Operating_System
4	O
Bumpers	O
.	O
</s>
<s>
Apple	O
also	O
released	O
a	O
previously	O
announced	O
dock	O
for	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
,	O
the	O
first	O
time	O
Apple	O
has	O
made	O
a	O
dock	O
since	O
the	O
iPhone	B-Operating_System
4	O
.	O
</s>
<s>
The	O
iPhone5C	O
received	O
mixed	O
reviews	O
,	O
with	O
praise	O
for	O
the	O
phone	O
itself	O
,	O
but	O
criticism	O
of	O
the	O
polycarbonate	O
shell	O
for	O
lacking	O
a	O
'	O
premium	O
 '	O
look	O
and	O
feel	O
compared	O
to	O
the	O
aluminum	O
bodies	O
of	O
the	O
iPhone	B-Operating_System
5	I-Operating_System
and	O
iPhone	B-Operating_System
5S	I-Operating_System
.	O
</s>
<s>
Most	O
reviewers	O
generally	O
noted	O
that	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
offered	O
more	O
features	O
(	O
thanks	O
to	O
its	O
64-bit	O
A7	O
SoC	O
with	O
the	O
M7	O
motion	O
co-processor	O
)	O
and	O
storage	O
space	O
for	O
a	O
relatively	O
small	O
additional	O
upfront	O
cost	O
(	O
US$650	O
versus	O
US$550	O
in	O
March	O
2014	O
)	O
over	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
,	O
during	O
the	O
period	O
that	O
both	O
phones	O
were	O
sold	O
side	O
by	O
side	O
.	O
</s>
<s>
The	O
8GB	O
version	O
of	O
the	O
iPhone5C	O
,	O
released	O
in	O
2014	O
,	O
was	O
described	O
as	O
"	O
unusable	O
"	O
as	O
only	O
4.9GB	O
was	O
available	O
to	O
the	O
user	O
after	O
installing	O
iOS	B-Application
8	O
;	O
in	O
contrast	O
to	O
the	O
iPhone5S	B-Operating_System
which	O
offers	O
a	O
minimum	O
of	O
16GB	O
of	O
internal	O
storage	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
was	O
regarded	O
as	O
too	O
expensive	O
to	O
compete	O
with	O
affordable	O
flagship	O
smartphones	B-Application
such	O
as	O
the	O
Nexus	B-Device
5	I-Device
and	O
OnePlus	B-Application
One	I-Application
,	O
or	O
smartphones	B-Application
designed	O
for	O
developing	O
markets	O
such	O
as	O
the	O
Moto	B-Device
G	I-Device
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5S	I-Operating_System
and	O
5C	O
sold	O
over	O
nine	O
million	O
units	O
in	O
the	O
first	O
three	O
days	O
,	O
which	O
set	O
a	O
record	O
for	O
first	O
weekend	O
smartphone	B-Application
sales	O
,	O
with	O
the	O
5S	B-Operating_System
selling	O
three	O
times	O
more	O
units	O
than	O
iPhone	B-Operating_System
5C	I-Operating_System
.	O
</s>
<s>
After	O
the	O
first	O
day	O
of	O
release	O
,	O
1%	O
of	O
all	O
iPhone	B-Operating_System
in	O
the	O
US	O
were	O
iPhone	B-Operating_System
5S	I-Operating_System
,	O
while	O
0.3	O
%	O
were	O
iPhone	B-Operating_System
5C	I-Operating_System
.	O
</s>
<s>
Commentators	O
viewed	O
iPhone	B-Operating_System
5C	I-Operating_System
as	O
a	O
flop	O
because	O
of	O
supply	O
chain	O
cuts	O
signifying	O
a	O
decline	O
in	O
demand	O
in	O
October	O
2013	O
.	O
</s>
<s>
Apple	O
CEO	O
Tim	O
Cook	O
admitted	O
that	O
the	O
company	O
overstocked	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
while	O
having	O
shortages	O
of	O
the	O
iPhone	B-Operating_System
5S	I-Operating_System
,	O
as	O
a	O
result	O
of	O
failing	O
to	O
anticipate	O
the	O
sales	O
ratio	O
between	O
both	O
phones	O
.	O
</s>
<s>
Six	O
months	O
after	O
the	O
release	O
of	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
,	O
on	O
March	O
25	O
,	O
2014	O
,	O
Apple	O
announced	O
that	O
sales	O
of	O
the	O
iPhone	B-Operating_System
line	O
had	O
crossed	O
500	O
million	O
units	O
,	O
but	O
did	O
not	O
break	O
out	O
how	O
many	O
of	O
these	O
units	O
were	O
the	O
iPhone	B-Operating_System
5C	I-Operating_System
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
5C	I-Operating_System
was	O
among	O
the	O
top	O
three	O
best	O
selling	O
phones	O
in	O
the	O
US	O
for	O
three	O
months	O
after	O
its	O
launch	O
.	O
</s>
