<s>
The	O
Xiaomi	B-Application
Mi	I-Application
9	I-Application
is	O
a	O
flagship	O
Android	B-Application
smartphone	B-Application
developed	O
by	O
Xiaomi	O
Inc	O
.	O
</s>
<s>
The	O
Xiaomi	B-Application
Mi	I-Application
9	I-Application
is	O
powered	O
by	O
the	O
Qualcomm	B-Architecture
Snapdragon	I-Architecture
855	O
processor	O
,	O
with	O
6GB	O
or	O
8GB	O
LPDDR4X	O
RAM	B-Architecture
and	O
the	O
Adreno	B-General_Concept
640	I-General_Concept
GPU	B-Architecture
.	O
</s>
<s>
It	O
has	O
a	O
FHD+	O
AMOLED	B-Algorithm
display	I-Algorithm
.	O
</s>
<s>
It	O
does	O
not	O
feature	O
a	O
3.5mm	B-Device
headphone	I-Device
jack	I-Device
and	O
comes	O
with	O
a	O
USB-C	O
to	O
3.5mm	B-Device
headphone	I-Device
jack	I-Device
adapter	O
provided	O
in	O
the	O
box	O
.	O
</s>
<s>
The	O
front	O
camera	O
has	O
a	O
20MP	O
sensor	O
with	O
an	O
aperture	B-General_Concept
of	O
f/2.0	O
.	O
</s>
<s>
The	O
Explorer	O
variant	O
has	O
larger	O
storage	O
and	O
RAM	B-Architecture
options	O
,	O
a	O
transparent	O
back	O
,	O
a	O
7P	O
camera	O
lens	O
,	O
and	O
an	O
f/1.5	O
(	O
wider	O
)	O
aperture	B-General_Concept
for	O
the	O
main	O
lens	O
on	O
models	O
with	O
12	O
GB	O
of	O
RAM	B-Architecture
.	O
</s>
<s>
It	O
runs	O
on	O
Android	B-Application
9	I-Application
,	O
with	O
Xiaomi	O
's	O
custom	O
MIUI	B-Protocol
10	I-Protocol
skin	B-Application
but	O
it	O
is	O
upgradable	O
to	O
Android	B-Application
11	I-Application
and	O
MIUI	B-Protocol
12.5	I-Protocol
.	O
</s>
<s>
On	O
September	O
24th	O
,	O
2019	O
,	O
Xiaomi	O
announced	O
the	O
Mi	O
9	O
Pro	O
and	O
Mi	O
9	O
Pro	O
5G	O
which	O
have	O
upgraded	O
chipsets	O
,	O
faster	O
charging	O
,	O
larger	O
batteries	O
,	O
increased	O
storage	O
and	O
RAM	B-Architecture
,	O
and	O
new	O
software	O
.	O
</s>
<s>
Trusted	O
Reviews	O
had	O
similar	O
opinions	O
,	O
and	O
was	O
less	O
impressed	O
with	O
the	O
in-display	O
fingerprint	O
sensor	O
and	O
more	O
positive	O
with	O
the	O
camera	O
,	O
concluding	O
that	O
the	O
Mi	O
9	O
had	O
"	O
the	O
makings	O
of	O
one	O
of	O
the	O
most	O
worthwhile	O
flagship	O
smartphone	B-Application
purchases	O
of	O
the	O
year	O
"	O
.	O
</s>
<s>
Digital	O
Trends	O
wrote	O
that	O
the	O
Mi	O
9	O
was	O
"	O
a	O
compelling	O
,	O
high-performance	O
smartphone	B-Application
that	O
's	O
sure	O
to	O
become	O
one	O
of	O
the	O
year	O
's	O
best	O
"	O
and	O
"	O
one	O
of	O
2019	O
's	O
shrewdest	O
smartphone	B-Application
purchases	O
"	O
.	O
</s>
<s>
DxOMark	B-Algorithm
gave	O
the	O
Mi	O
9	O
's	O
camera	O
an	O
overall	O
score	O
of	O
110	O
,	O
with	O
a	O
photo	O
score	O
of	O
115	O
and	O
a	O
video	O
score	O
of	O
99	O
,	O
ranking	O
it	O
as	O
their	O
fourth	O
best	O
smartphone	B-Application
camera	O
.	O
</s>
<s>
DxOMark	B-Algorithm
remarks	O
that	O
the	O
phone	O
"	O
takes	O
things	O
to	O
a	O
whole	O
new	O
level	O
,	O
placing	O
the	O
Chinese	O
company	O
’s	O
latest	O
flagship	O
model	O
firmly	O
into	O
the	O
big	O
league	O
of	O
smartphone	B-Application
cameras	O
—	O
right	O
up	O
there	O
with	O
the	O
heavy-hitters	O
from	O
Apple	O
,	O
Samsung	O
,	O
and	O
Huawei	O
"	O
.	O
</s>
<s>
The	O
Xiaomi	B-Application
Mi	I-Application
9	I-Application
faces	O
a	O
handful	O
of	O
minor	O
issues	O
,	O
however	O
,	O
it	O
faces	O
major	O
issues	O
that	O
are	O
restrained	O
to	O
certain	O
regions	O
,	O
such	O
as	O
the	O
lack	O
of	O
facial	O
recognition	O
in	O
some	O
certain	O
western	O
regions	O
,	O
although	O
it	O
was	O
fixed	O
with	O
a	O
software	O
update	O
.	O
</s>
<s>
The	O
frequent	O
display	O
of	O
advertisements	O
in	O
MIUI	B-Protocol
is	O
no	O
different	O
in	O
the	O
Mi	O
9	O
,	O
Xiaomi	O
defended	O
themselves	O
by	O
saying	O
that	O
these	O
ads	O
help	O
them	O
keep	O
their	O
prices	O
low	O
.	O
</s>
