<s>
The	O
Nexus	B-Device
5X	I-Device
(	O
codenamed	O
bullhead	O
)	O
is	O
an	O
Android	B-Application
smartphone	B-Application
manufactured	O
by	O
LG	O
Electronics	O
,	O
co-developed	O
with	O
and	O
marketed	O
by	O
Google	B-Application
as	O
part	O
of	O
its	O
Nexus	B-Device
line	O
of	O
flagship	O
devices	O
.	O
</s>
<s>
Unveiled	O
on	O
September	O
29	O
,	O
2015	O
,	O
it	O
was	O
a	O
successor	O
to	O
the	O
Nexus	B-Device
5	I-Device
.	O
</s>
<s>
The	O
phone	O
,	O
along	O
with	O
the	O
Nexus	B-Device
6P	I-Device
,	O
served	O
as	O
launch	O
devices	O
for	O
Android	B-Application
6.0	I-Application
Marshmallow	I-Application
,	O
which	O
introduced	O
a	O
refreshed	O
interface	O
,	O
performance	O
improvements	O
,	O
increased	O
Google	B-Application
Now	I-Application
integration	O
,	O
and	O
other	O
new	O
features	O
.	O
</s>
<s>
On	O
October	O
4	O
,	O
2016	O
,	O
Google	B-Application
presented	O
its	O
successor	O
,	O
the	B-Application
Google	I-Application
Pixel	B-Device
;	O
the	O
same	O
day	O
,	O
the	O
Nexus	B-Device
5X	I-Device
was	O
discontinued	O
and	O
removed	O
from	O
the	B-Application
Google	I-Application
Store	O
.	O
</s>
<s>
The	O
device	O
has	O
a	O
fingerprint	O
sensor	O
on	O
the	O
back	O
called	O
'	O
Nexus	B-Device
Imprint	O
 '	O
which	O
can	O
be	O
used	O
by	O
third	O
party	O
apps	O
.	O
</s>
<s>
The	O
phone	O
is	O
compatible	O
with	O
Project	B-Application
Fi	I-Application
,	O
Google	B-Application
's	I-Application
own	O
mobile	O
network	O
.	O
</s>
<s>
In	O
order	O
to	O
save	O
power	O
,	O
Google	B-Application
has	O
introduced	O
what	O
it	O
calls	O
an	O
'	O
Android	B-Application
Sensor	O
Hub	O
 '	O
.	O
</s>
<s>
It	O
is	O
a	O
secondary	O
low-power	O
processor	O
whose	O
purpose	O
is	O
to	O
run	O
activity-recognition	O
algorithms	O
by	O
directly	O
monitoring	O
the	O
device	O
's	O
accelerometer	O
,	O
gyroscope	B-Application
,	O
fingerprint	O
reader	O
,	O
and	O
camera	O
sensors	O
,	O
allowing	O
the	O
main	O
CPU	O
to	O
remain	O
inactive	O
until	O
something	O
requires	O
its	O
attention	O
.	O
</s>
<s>
Additionally	O
,	O
the	O
Sensor	O
Hub	O
stack	O
also	O
supports	O
hardware	O
sensor	O
batching	B-General_Concept
,	O
a	O
feature	O
introduced	O
in	O
KitKat	B-Application
that	O
permits	O
sensors	O
to	O
delay	O
for	O
a	O
short	O
period	O
of	O
time	O
the	O
handoff	O
of	O
non-critical	O
data	O
to	O
the	O
operating	O
system	O
–	O
as	O
opposed	O
to	O
sending	O
a	O
constant	O
stream	O
of	O
data	O
to	O
the	O
CPU	O
,	O
which	O
results	O
in	O
the	O
use	O
of	O
more	O
power	O
.	O
</s>
<s>
Sensor	O
batching	B-General_Concept
has	O
been	O
used	O
in	O
step	O
counters	O
to	O
avoid	O
requiring	O
the	O
main	O
processor	O
to	O
constantly	O
remain	O
awake	O
for	O
each	O
step	O
to	O
be	O
measured	O
.	O
</s>
<s>
The	O
Nexus	B-Device
5X	I-Device
houses	O
a	O
12.3	O
megapixel	O
(	O
1.55μm	O
pixels	B-Device
)	O
2.0	O
aperture	B-General_Concept
Sony	O
IMX377EQH5	O
rear	O
camera	O
which	O
is	O
assisted	O
by	O
laser	O
autofocus	O
and	O
dual	O
LED	O
flash	O
.	O
</s>
<s>
Although	O
the	O
rear	O
camera	O
hardware	O
is	O
the	O
same	O
as	O
the	O
Nexus	B-Device
6P	I-Device
,	O
the	O
Nexus	B-Device
5X	I-Device
lacks	O
a	O
burst	O
mode	O
and	O
slow-mo	O
video	O
is	O
limited	O
to	O
120fps	O
at	O
720p	O
resolution	O
.	O
</s>
<s>
The	O
Nexus	B-Device
5X	I-Device
and	O
6P	O
were	O
among	O
the	O
first	O
phones	O
to	O
use	O
a	O
USB-C	O
connector	O
instead	O
of	O
the	O
previously	O
standard	O
Micro-USB	O
connector	O
.	O
</s>
<s>
Google	B-Application
and	O
LG	O
also	O
made	O
USB	O
Type-C	O
'	O
Rapid	O
Charging	O
 '	O
compatible	O
with	O
the	O
device	O
,	O
claiming	O
up	O
to	O
4	O
hours	O
of	O
use	O
in	O
10	O
minutes	O
.	O
</s>
<s>
iFixIt	O
has	O
assessed	O
the	O
Nexus	B-Device
5X	I-Device
as	O
easy	O
to	O
repair	O
,	O
the	O
only	O
issues	O
being	O
the	O
lack	O
of	O
removable	O
battery	O
and	O
a	O
display	O
fused	O
with	O
the	O
front	O
glass	O
.	O
</s>
<s>
The	O
phone	O
originally	O
came	O
with	O
Android	B-Application
6.0	I-Application
Marshmallow	I-Application
,	O
which	O
includes	O
"	O
Now	O
On	O
Tap	O
"	O
,	O
"	O
Doze	O
"	O
battery	O
saving	O
feature	O
,	O
detailed	O
control	O
of	O
app	O
permissions	O
,	O
and	O
support	O
for	O
Google	B-Application
"	O
Imprint	O
"	O
fingerprint	O
sensor	O
.	O
</s>
<s>
In	O
December	O
2015	O
,	O
Google	B-Application
released	O
Android	B-Application
6.0.1	I-Application
Marshmallow	B-Application
for	O
the	O
Nexus	B-Device
5X	I-Device
,	O
among	O
other	O
devices	O
.	O
</s>
<s>
On	O
August	O
22	O
,	O
2016	O
,	O
Google	B-Application
released	O
Android	B-Application
7.0	I-Application
Nougat	I-Application
for	O
the	O
Nexus	B-Device
5X	I-Device
,	O
as	O
well	O
as	O
several	O
other	O
devices	O
.	O
</s>
<s>
Google	B-Application
released	O
Android	B-Application
7.1.1	I-Application
Nougat	B-Application
for	O
the	O
Nexus	B-Device
5X	I-Device
(	O
among	O
other	O
devices	O
)	O
in	O
December	O
2016	O
.	O
</s>
<s>
Among	O
other	O
changes	O
,	O
this	O
update	O
brought	O
some	O
features	O
to	O
the	O
Nexus	B-Device
5X	I-Device
that	O
had	O
been	O
previously	O
exclusive	O
to	O
the	O
Pixel	B-Device
and	O
Pixel	B-Device
XL	I-Device
phones	O
.	O
</s>
<s>
On	O
August	O
21	O
,	O
2017	O
,	O
Google	B-Application
released	O
Android	B-Application
8.0	I-Application
Oreo	I-Application
for	O
the	O
Nexus	B-Device
5X	I-Device
.	O
</s>
<s>
Android	B-Application
8.1	I-Application
Oreo	B-Application
was	O
released	O
for	O
the	O
Nexus	B-Device
5X	I-Device
,	O
as	O
well	O
as	O
some	O
other	O
devices	O
,	O
on	O
December	O
5	O
,	O
2017	O
.	O
</s>
<s>
The	O
back	O
of	O
the	O
device	O
includes	O
a	O
12.3	O
megapixel	O
camera	O
,	O
Google	B-Application
"	O
Imprint	O
"	O
finger	O
print	O
sensor	O
,	O
dual	O
tone	O
flash	O
,	O
and	O
LGE	O
's	O
laser	O
auto	O
focus	O
.	O
</s>
<s>
Ars	O
Technica	O
termed	O
the	O
Nexus	B-Device
5X	I-Device
and	O
Nexus	B-Device
6P	I-Device
as	O
"	O
the	O
true	O
flagships	O
of	O
the	O
Android	B-Application
ecosystem	O
"	O
and	O
noted	O
the	O
"	O
few	O
to	O
no	O
compromises	O
"	O
;	O
with	O
further	O
praise	O
for	O
the	O
6P	O
for	O
being	O
only	O
slightly	O
more	O
expensive	O
than	O
the	O
5X	O
while	O
having	O
a	O
more	O
premium	O
metal	O
body	O
and	O
higher	O
specs	O
.	O
</s>
<s>
The	O
Verge	O
criticized	O
the	O
Nexus	B-Device
5X	I-Device
's	O
specifications	O
as	O
its	O
"	O
Snapdragon	O
808	O
processor	O
and	O
2GB	O
of	O
RAM	B-Architecture
are	O
n't	O
up	O
to	O
pace	O
with	O
the	O
most	O
powerful	O
phones	O
in	O
2015	O
"	O
,	O
implying	O
that	O
it	O
would	O
not	O
age	O
as	O
well	O
as	O
the	O
more	O
powerful	O
Nexus	B-Device
6P	I-Device
.	O
</s>
<s>
Some	O
Nexus	B-Device
5Xs	O
in	O
early	O
batches	O
had	O
yellow-tinted	O
screens	O
,	O
which	O
Google	B-Application
replaced	O
.	O
</s>
<s>
Bootlooped	O
phones	O
may	O
frequently	O
be	O
recovered	O
by	O
using	O
an	O
electronics-grade	O
hot	O
air	O
tool	O
to	O
heat	O
the	O
main	O
SOC	B-Architecture
to	O
solder	O
reflow	O
temperature	O
;	O
implying	O
the	O
issue	O
is	O
a	O
problem	O
with	O
thermal	O
cycling	O
causing	O
the	O
chip	O
's	O
BGA	O
connections	O
to	O
eventually	O
fracture	O
(	O
a	O
problem	O
occurring	O
in	O
several	O
consumer	O
devices	O
including	O
the	O
Xbox	B-Error_Name
360	I-Error_Name
and	O
some	O
NVidia	O
GPUs	O
in	O
laptops	O
)	O
.	O
</s>
