<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
is	O
a	O
smartphone	B-Application
designed	O
,	O
developed	O
,	O
and	O
marketed	O
by	O
Apple	O
Inc	O
.	O
</s>
<s>
It	O
is	O
the	O
thirteenth	O
generation	B-Application
of	O
iPhone	B-Device
,	O
succeeding	O
the	O
iPhone	B-Operating_System
XR	I-Operating_System
,	O
and	O
was	O
unveiled	O
on	O
September	O
10	O
,	O
2019	O
,	O
alongside	O
the	O
higher-end	O
iPhone	B-Operating_System
11	I-Operating_System
Pro	I-Operating_System
at	O
the	O
Steve	O
Jobs	O
Theater	O
in	O
Apple	O
Park	O
,	O
Cupertino	O
,	O
by	O
Apple	O
CEO	O
Tim	O
Cook	O
.	O
</s>
<s>
Preorders	O
began	O
on	O
September	O
13	O
,	O
2019	O
,	O
and	O
the	O
phone	O
was	O
officially	O
released	O
on	O
September	O
20	O
,	O
2019	O
,	O
one	O
day	O
after	O
the	O
official	O
public	O
release	O
of	O
iOS	B-Operating_System
13	I-Operating_System
.	O
</s>
<s>
Despite	O
minimal	O
exterior	O
changes	O
from	O
the	O
preceding	O
iPhone	B-Operating_System
XR	I-Operating_System
,	O
substantial	O
design	O
changes	O
within	O
the	O
phone	O
took	O
place	O
,	O
including	O
the	O
addition	O
of	O
the	O
more	O
powerful	O
Apple	B-Device
A13	I-Device
Bionic	I-Device
chip	O
as	O
well	O
as	O
an	O
ultra-wide	O
dual-camera	O
system	O
.	O
</s>
<s>
In	O
October	O
2020	O
,	O
Apple	O
halted	O
the	O
inclusion	O
of	O
both	O
Apple	O
EarPods	B-Operating_System
and	O
the	O
wall	O
adapter	O
,	O
citing	O
environmental	O
goals	O
.	O
</s>
<s>
,	O
the	O
iPhone	B-Operating_System
11	I-Operating_System
has	O
sold	O
159.2	O
million	O
units	O
worldwide	O
,	O
making	O
it	O
the	O
tenth	O
best-selling	O
smartphone	B-Application
of	O
all	O
time	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
as	O
well	O
as	O
the	O
iPhone	B-Operating_System
12	I-Operating_System
mini	I-Operating_System
and	O
iPhone	B-Operating_System
13	I-Operating_System
Pro	I-Operating_System
with	O
its	O
Max	O
variant	O
were	O
discontinued	O
and	O
removed	O
from	O
Apple	O
's	O
website	O
after	O
the	O
announcement	O
of	O
the	O
iPhone	B-Operating_System
14	I-Operating_System
and	O
iPhone	B-Operating_System
14	I-Operating_System
Pro	I-Operating_System
on	O
September	O
7	O
,	O
2022	O
.	O
</s>
<s>
Details	O
regarding	O
the	O
smartphone	B-Application
were	O
widely	O
leaked	O
before	O
the	O
official	O
release	O
;	O
complete	O
specifications	O
and	O
renderings	O
of	O
the	O
phone	O
were	O
widely	O
publicized	O
.	O
</s>
<s>
Among	O
the	O
most	O
significant	O
changes	O
were	O
improvements	O
in	O
the	O
cameras	O
and	O
the	O
continuation	O
of	O
the	O
'	O
notch	O
 '	O
design	O
around	O
the	O
frontal	O
camera	O
which	O
dipped	O
down	O
into	O
the	O
screen	O
,	O
a	O
feature	O
started	O
by	O
the	O
iPhone	B-Operating_System
X	I-Operating_System
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
was	O
available	O
in	O
six	O
colors	O
:	O
Purple	O
,	O
Yellow	O
,	O
Green	O
,	O
Black	O
,	O
White	O
and	O
Product	O
(	O
Red	O
)	O
.	O
</s>
<s>
The	O
top	O
of	O
the	O
screen	O
retains	O
the	O
'	O
notch	O
 '	O
design	O
,	O
wherein	O
the	O
TrueDepth	O
camera	O
system	O
and	O
phone	O
speaker	O
are	O
encapsulated	O
in	O
a	O
black	O
,	O
rounded-out	O
rectangle	O
that	O
dips	O
into	O
the	O
screen	O
,	O
similar	O
to	O
its	O
predecessor	O
,	O
the	O
iPhone	B-Operating_System
XR	I-Operating_System
.	O
</s>
<s>
An	O
elevated	O
area	O
in	O
the	O
top	O
corner	O
on	O
the	O
back	O
of	O
the	O
iPhone	B-Device
acts	O
as	O
a	O
camera	O
housing	O
,	O
containing	O
the	O
microphone	O
,	O
the	O
flashlight	O
,	O
and	O
both	O
of	O
the	O
rear-facing	O
digital	O
cameras	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
,	O
along	O
with	O
the	O
iPhone	B-Operating_System
11	I-Operating_System
Pro	I-Operating_System
,	O
uses	O
Apple	O
's	O
A13	B-Device
Bionic	I-Device
processor	O
,	O
which	O
contains	O
a	O
third-generation	O
neural	O
engine	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
has	O
an	O
IP68	O
water	O
-	O
and	O
dust-resistant	O
rating	O
along	O
with	O
dirt	O
and	O
grime	O
,	O
and	O
is	O
water-resistant	O
up	O
to	O
2m	O
(	O
6.6	O
ft	O
)	O
for	O
30	O
minutes	O
.	O
</s>
<s>
Also	O
,	O
like	O
previous	O
iPhones	B-Device
,	O
both	O
phones	O
do	O
not	O
have	O
a	O
headphone	O
jack	O
,	O
and	O
initially	O
came	O
with	O
wired	O
EarPods	B-Operating_System
with	O
a	O
Lightning	B-Architecture
connector	I-Architecture
,	O
although	O
Apple	O
no	O
longer	O
includes	O
these	O
with	O
any	O
device	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
is	O
the	O
first	O
smartphone	B-Application
with	O
built-in	O
ultra	O
wideband	O
hardware	O
,	O
via	O
its	O
Apple	O
U1	O
chip	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
has	O
a	O
IPS	B-Architecture
LCD	I-Architecture
with	O
a	O
resolution	O
is	O
1792	O
×	O
828	O
pixels	O
(	O
1.4	O
megapixels	O
)	O
at	O
a	O
pixel	B-Algorithm
density	I-Algorithm
of	O
326	O
PPI	B-Algorithm
with	O
a	O
maximum	O
brightness	O
of	O
625	O
nits	O
and	O
a	O
1400:1	O
contrast	O
ratio	O
and	O
it	O
is	O
equivalent	O
to	O
the	O
iPhone	B-Operating_System
XR	I-Operating_System
.	O
</s>
<s>
It	O
supports	O
Dolby	B-Device
Vision	I-Device
,	O
HDR10	B-General_Concept
,	O
True-Tone	O
,	O
and	O
a	O
wide	O
color	O
gamut	O
.	O
</s>
<s>
As	O
with	O
the	O
iPhone	B-Operating_System
11	I-Operating_System
Pro	I-Operating_System
,	O
XR	O
,	O
XS	O
,	O
and	O
X	O
,	O
the	O
display	O
has	O
a	O
notch	O
at	O
the	O
top	O
for	O
the	O
TrueDepth	O
camera	O
system	O
and	O
the	O
speaker	O
.	O
</s>
<s>
Apple	O
announced	O
in	O
September	O
2019	O
that	O
both	O
the	O
iPhone	B-Operating_System
11	I-Operating_System
and	O
iPhone	B-Operating_System
11	I-Operating_System
Pro	I-Operating_System
would	O
show	O
a	O
warning	O
notification	O
if	O
a	O
display	O
were	O
replaced	O
with	O
an	O
unauthorized	O
part	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
is	O
supplied	O
with	O
a	O
11.91	O
Wh	O
(	O
3,110	O
mAh	O
)	O
battery	O
,	O
a	O
slight	O
increase	O
from	O
the	O
11.21	O
Wh	O
(	O
2,942	O
mAh	O
)	O
found	O
in	O
the	O
iPhone	B-Operating_System
XR	I-Operating_System
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
includes	O
a	O
dual-lens	O
12	O
MP	O
rear	O
camera	O
array	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
supports	O
4K	O
video	O
at	O
up	O
to	O
60	O
fps	O
and	O
1080p	O
slow	O
motion	O
at	O
up	O
to	O
240	O
fps	O
.	O
</s>
<s>
Apple	O
has	O
also	O
announced	O
a	O
new	O
Deep	O
Fusion	O
feature	O
that	O
takes	O
advantage	O
of	O
AI	O
and	O
machine	O
learning	O
for	O
image	O
processing	O
and	O
was	O
released	O
via	O
iOS	B-Operating_System
13.2	I-Operating_System
software	O
update	O
on	O
October	O
29	O
,	O
2019	O
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
was	O
supplied	O
with	O
iOS	B-Operating_System
13	I-Operating_System
,	O
which	O
includes	O
Siri	O
,	O
Face	O
ID	O
(	O
through	O
the	O
TrueDepth	O
camera	O
)	O
,	O
and	O
Apple	B-Application
Pay	I-Application
,	O
and	O
supports	O
Apple	O
Card	O
.	O
</s>
<s>
It	O
received	O
iOS	B-Operating_System
14	I-Operating_System
on	O
September	O
16	O
,	O
2020	O
,	O
and	O
supported	O
iOS	B-Operating_System
15	I-Operating_System
,	O
which	O
was	O
released	O
on	O
September	O
20	O
,	O
2021	O
.	O
</s>
<s>
As	O
of	O
September	O
12	O
,	O
2022	O
,	O
the	O
iPhone	B-Operating_System
11	I-Operating_System
is	O
now	O
compatible	O
with	O
iOS	B-Operating_System
16	I-Operating_System
.	O
</s>
<s>
The	O
iPhone	B-Operating_System
11	I-Operating_System
drew	O
generally	O
positive	O
reviews	O
after	O
its	O
launch	O
.	O
</s>
<s>
Apple	O
,	O
through	O
an	O
environmental	O
initiative	O
,	O
has	O
removed	O
the	O
EarPods	B-Operating_System
and	O
power	O
adapter	O
from	O
new	O
iPhone	B-Device
boxes	O
starting	O
October	O
2020	O
,	O
including	O
the	O
iPhone	B-Operating_System
11	I-Operating_System
.	O
</s>
<s>
Removing	O
these	O
items	O
is	O
claimed	O
to	O
reduce	O
e-waste	O
and	O
permit	O
a	O
smaller	O
iPhone	B-Device
box	O
,	O
allowing	O
more	O
devices	O
to	O
be	O
transported	O
simultaneously	O
to	O
decrease	O
carbon	O
footprint	O
.	O
</s>
<s>
However	O
,	O
Apple	O
now	O
includes	O
a	O
USB-C	O
to	O
Lightning	B-Architecture
cable	I-Architecture
,	O
incompatible	O
with	O
the	O
existing	O
USB-A	O
power	O
adapters	O
that	O
Apple	O
previously	O
supplied	O
with	O
their	O
devices	O
.	O
</s>
<s>
Upgraders	O
can	O
still	O
use	O
their	O
existing	O
iPhone	B-Device
power	O
adapters	O
and	O
cables	O
,	O
but	O
users	O
wanting	O
fast	O
charging	O
capabilities	O
will	O
have	O
to	O
purchase	O
a	O
USB-C	O
power	O
adapter	O
separately	O
.	O
</s>
