<s>
Huawei	B-Application
P20	I-Application
and	O
Huawei	B-Application
P20	I-Application
Pro	I-Application
are	O
Android	B-Application
smartphones	B-Application
manufactured	O
by	O
Huawei	O
.	O
</s>
<s>
Unveiled	O
27	O
March	O
2018	O
,	O
they	O
succeed	O
the	O
Huawei	B-Application
P10	I-Application
in	O
the	O
company	O
's	O
P	O
series	O
line	O
.	O
</s>
<s>
The	O
P20	O
line	O
is	O
distinguished	O
primarily	O
by	O
its	O
cameras	O
,	O
which	O
Huawei	O
promoted	O
as	O
featuring	O
artificial	B-Application
intelligence	I-Application
technology	O
to	O
perform	O
automated	O
enhancements	O
to	O
images	O
,	O
and	O
the	O
P20	B-Application
Pro	I-Application
featuring	O
both	O
a	O
wide-angle	O
40-megapixel	O
camera	O
,	O
and	O
an	O
8-megapixel	O
camera	O
with	O
optical	O
zoom	O
.	O
</s>
<s>
Both	O
the	O
P20	O
and	O
P20	B-Application
Pro	I-Application
feature	O
1080p	O
,	O
18.7:9	O
aspect	O
ratio	O
"	O
FullView	O
"	O
displays	O
with	O
a	O
"	O
notch	O
"	O
tab	O
at	O
the	O
top-centre	O
,	O
with	O
the	O
P20	O
having	O
a	O
5.8-inch	O
LCD	B-Device
panel	I-Device
and	O
the	O
P20	B-Application
Pro	I-Application
a	O
6.1-inch	O
AMOLED	B-Algorithm
panel	O
.	O
</s>
<s>
The	O
models	O
feature	O
3320	O
and	O
4000mAh	O
batteries	O
respectively	O
;	O
the	O
P20	O
line	O
does	O
not	O
support	O
wireless	B-Application
charging	I-Application
.	O
</s>
<s>
The	O
P20	O
features	O
a	O
12-megapixel	O
colour	O
sensor	O
,	O
while	O
the	O
P20	B-Application
Pro	I-Application
features	O
two	O
cameras	O
—	O
a	O
40-megapixel	O
wide-angle	O
IMX600	O
sensor	O
,	O
and	O
an	O
8-megapixel	O
sensor	O
with	O
3x	O
optical	O
zoom	O
.	O
</s>
<s>
By	O
default	O
,	O
output	O
from	O
"	O
quad	O
pixels	O
"	O
on	O
the	O
P20	B-Application
Pro	I-Application
's	O
40-megapixel	O
sensor	O
is	O
pixel	B-General_Concept
binned	I-General_Concept
into	O
10-megapixel	O
photos	O
(	O
"	O
Light	O
Fusion	O
"	O
,	O
similar	O
to	O
Nokia	B-Device
PureView	I-Device
's	O
"	O
pixel	O
oversampling	O
"	O
)	O
,	O
which	O
is	O
used	O
to	O
improve	O
image	O
quality	O
and	O
the	O
brightness	O
of	O
low-light	O
images	O
,	O
or	O
for	O
intentional	O
monochrome	O
photography	O
.	O
</s>
<s>
The	O
camera	O
software	O
leverages	O
artificial	B-Application
intelligence	I-Application
technologies	O
such	O
as	O
object	O
recognition	O
for	O
stabilization	O
and	O
performing	O
automated	O
enhancements	O
to	O
images	O
(	O
recognizing	O
common	O
scenes	O
and	O
photo	O
subjects	O
)	O
,	O
while	O
information	O
from	O
the	O
various	O
sensors	O
and	O
infrared	O
is	O
used	O
for	O
autofocus	O
.	O
</s>
<s>
The	O
P20	O
ships	O
with	O
Android	B-Application
8.1	I-Application
"	I-Application
Oreo	I-Application
"	I-Application
with	O
Google	B-Application
Mobile	I-Application
Services	I-Application
and	O
Huawei	O
's	O
EMUI	B-Operating_System
interface	O
and	O
software	O
suite	O
.	O
</s>
<s>
In	O
December	O
2018	O
,	O
Huawei	O
began	O
to	O
roll	O
out	O
an	O
upgrade	O
to	O
Android	B-Application
9.0	I-Application
"	I-Application
Pie	I-Application
"	I-Application
with	O
EMUI	B-Operating_System
9.0	O
,	O
adding	O
features	O
such	O
as	O
screen	O
gesture-based	O
navigation	O
,	O
Digital	O
Balance	O
(	O
a	O
dashboard	O
for	O
tracking	O
and	O
limiting	O
device	O
usage	O
)	O
,	O
HiVision	O
(	O
an	O
augmented	O
reality	O
object	O
recognition	O
experience	O
for	O
the	O
camera	O
)	O
,	O
and	O
Password	O
Vault	O
among	O
other	O
features	O
.	O
</s>
<s>
In	O
mid-2019	O
,	O
the	O
P20	O
received	O
a	O
system	O
update	O
with	O
EMUI	B-Operating_System
9.1	O
(	O
introduced	O
on	O
its	O
successor	O
,	O
the	O
P30	B-Application
)	O
,	O
which	O
features	O
performance	O
improvements	O
,	O
including	O
use	O
of	O
Huawei	O
's	O
Extendable	B-Application
Read-Only	I-Application
File	I-Application
System	I-Application
(	O
EROFS	B-Application
)	O
for	O
system	O
partitions	O
)	O
,	O
updates	O
to	O
the	O
GPU	O
Turbo	O
mode	O
,	O
and	O
other	O
refinements	O
.	O
</s>
<s>
An	O
update	O
to	O
Android	B-Application
10	I-Application
and	O
EMUI	B-Operating_System
10	O
was	O
later	O
released	O
;	O
it	O
is	O
not	O
planned	O
to	O
be	O
updated	O
to	O
EMUI	B-Operating_System
10.1	O
.	O
</s>
<s>
CNET	O
praised	O
the	O
design	O
of	O
the	O
P20	B-Application
Pro	I-Application
,	O
noting	O
that	O
its	O
"	O
Twilight	O
"	O
color	O
finish	O
was	O
reminiscent	O
of	O
when	O
phones	O
"	O
dared	O
to	O
look	O
different	O
"	O
in	O
the	O
early	O
2000s	O
,	O
but	O
that	O
its	O
glass	O
backing	O
was	O
likely	O
to	O
attract	O
fingerprints	O
.	O
</s>
<s>
The	O
P20	B-Application
Pro	I-Application
's	O
cameras	O
were	O
deemed	O
to	O
be	O
competitive	O
with	O
other	O
high-end	O
devices	O
,	O
with	O
low-light	O
images	O
being	O
"	O
consistently	O
detailed	O
"	O
,	O
and	O
having	O
quality	O
that	O
exceeded	O
those	O
of	O
the	O
Samsung	B-Application
Galaxy	I-Application
S9+	I-Application
.	O
</s>
<s>
NDTV	O
noted	O
that	O
the	O
P20	O
range	O
lacked	O
wireless	B-Application
charging	I-Application
or	O
a	O
1440p	O
display	O
like	O
its	O
competition	O
,	O
and	O
that	O
the	O
P20	B-Application
Pro	I-Application
's	O
Kirin	O
970	O
system-on-chip	O
was	O
comparable	O
to	O
the	O
Snapdragon	O
835	O
,	O
but	O
slightly	O
behind	O
the	O
Exynos	O
9810	O
of	O
the	O
Samsung	B-Application
Galaxy	I-Application
S9	I-Application
on	O
CPU	O
benchmarks	O
.	O
</s>
<s>
On	O
graphics	O
benchmarks	O
,	O
the	O
P20	B-Application
Pro	I-Application
was	O
shown	O
to	O
have	O
a	O
frame	O
rate	O
advantage	O
over	O
its	O
competitors	O
due	O
to	O
its	O
lower	O
resolution	O
.	O
</s>
<s>
In	O
conclusion	O
,	O
the	O
S9	O
was	O
deemed	O
to	O
be	O
a	O
better	O
"	O
all-round	O
"	O
phone	O
,	O
but	O
the	O
P20	B-Application
Pro	I-Application
was	O
best	O
for	O
users	O
who	O
wanted	O
the	O
"	O
most	O
versatile	O
"	O
cameras	O
of	O
a	O
current	O
smartphone	B-Application
.	O
</s>
<s>
The	O
Verge	O
similarly	O
praised	O
its	O
design	O
for	O
having	O
many	O
subtle	O
details	O
and	O
a	O
"	O
satisfying	O
sense	O
of	O
density	O
that	O
only	O
Apple	O
's	O
iPhone	B-Operating_System
X	I-Operating_System
can	O
match	O
"	O
.	O
</s>
<s>
Its	O
display	O
was	O
considered	O
to	O
be	O
competitive	O
with	O
those	O
of	O
the	O
iPhone	B-Operating_System
X	I-Operating_System
and	O
Galaxy	B-Application
S9	I-Application
,	O
also	O
noting	O
its	O
inclusion	O
of	O
display	O
temperature	O
adjustment	O
based	O
on	O
lighting	O
conditions	O
,	O
similarly	O
to	O
Apple	O
's	O
"	O
True	O
Tone	O
"	O
feature	O
.	O
</s>
<s>
Huawei	O
's	O
software	O
was	O
considered	O
to	O
be	O
less	O
"	O
irritating	O
"	O
than	O
Samsung	B-Application
Experience	I-Application
,	O
and	O
maturing	O
beyond	O
being	O
a	O
clone	O
of	O
iOS	B-Application
,	O
although	O
bugs	O
were	O
noted	O
in	O
its	O
handling	O
of	O
the	O
display	O
notch	O
on	O
the	O
stock	O
software	O
.	O
</s>
<s>
The	O
P20	B-Application
Pro	I-Application
's	O
cameras	O
were	O
deemed	O
the	O
company	O
's	O
best	O
to-date	O
,	O
to	O
have	O
"	O
shockingly	O
impressive	O
low-light	O
performance	O
"	O
(	O
outperforming	O
the	O
Pixel	B-Device
2	I-Device
)	O
,	O
and	O
a	O
long-exposure	O
"	O
Night	O
"	O
mode	O
that	O
"	O
somehow	O
manages	O
to	O
produce	O
handheld	O
photos	O
that	O
remain	O
sharp	O
,	O
accurate	O
,	O
and	O
practically	O
noise-free	O
"	O
,	O
but	O
noting	O
Huawei	O
's	O
aggressive	O
post-processing	O
,	O
and	O
that	O
the	O
"	O
Master	O
AI	B-Application
"	O
mode	O
was	O
inconsistent	O
.	O
</s>
<s>
In	O
conclusion	O
,	O
it	O
was	O
argued	O
that	O
"	O
Instead	O
of	O
gimmicks	O
and	O
gaudiness	O
,	O
the	O
Huawei	B-Application
P20	I-Application
Pro	I-Application
delivers	O
refinement	O
and	O
efficiency	O
.	O
</s>
<s>
DxOMark	B-Algorithm
found	O
that	O
the	O
P20	B-Application
Pro	I-Application
's	O
cameras	O
were	O
"	O
the	O
biggest	O
innovation	O
we	O
have	O
seen	O
in	O
mobile	O
imaging	O
for	O
quite	O
some	O
time	O
"	O
and	O
"	O
particularly	O
good	O
in	O
low	O
light	O
,	O
when	O
zooming	O
,	O
and	O
for	O
bokeh	O
simulation	O
"	O
.	O
</s>
