<s>
The	O
OnePlus	B-Application
3	I-Application
(	O
also	O
abbreviated	O
as	O
OP3	O
)	O
is	O
a	O
smartphone	B-Application
produced	O
by	O
OnePlus	O
.	O
</s>
<s>
The	O
phone	O
was	O
unveiled	O
in	O
a	O
virtual	B-Application
reality	I-Application
event	O
and	O
OnePlus	O
offered	O
its	O
customers	O
Loop	O
VR	O
headsets	O
to	O
experience	O
the	O
event	O
using	O
their	O
phones	O
,	O
giving	O
away	O
30,000	O
free	O
headsets	O
in	O
lieu	O
of	O
a	O
traditional	O
press	O
conference	O
.	O
</s>
<s>
The	O
OnePlus	B-Application
3	I-Application
is	O
the	O
first	O
OnePlus	O
device	O
to	O
not	O
be	O
part	O
of	O
the	O
invite	O
system	O
,	O
which	O
OnePlus	O
had	O
used	O
for	O
its	O
last	O
three	O
devices	O
to	O
regulate	O
flow	O
with	O
inadequate	O
manufacturing	O
for	O
the	O
inevitable	O
high	O
demand	O
.	O
</s>
<s>
Following	O
some	O
controversy	O
,	O
the	O
OxygenOS	B-Application
3.2.1	O
update	O
began	O
rollout	O
on	O
7	O
July	O
2016	O
,	O
with	O
improved	O
RAM	B-Architecture
management	O
,	O
an	O
alternate	O
sRGB	O
display	O
mode	O
in	O
developer	O
options	O
,	O
and	O
various	O
bug	O
fixes	O
.	O
</s>
<s>
An	O
updated	O
version	O
of	O
the	O
device	O
,	O
called	O
the	O
OnePlus	B-Application
3T	I-Application
,	O
was	O
announced	O
by	O
the	O
company	O
on	O
15	O
November	O
2016	O
and	O
released	O
on	O
22	O
November	O
.	O
</s>
<s>
It	O
improves	O
upon	O
the	O
OnePlus	B-Application
3	I-Application
by	O
including	O
the	O
newer	O
Snapdragon	B-Architecture
821	O
chipset	O
,	O
a	O
16MP	O
front	O
camera	O
,	O
along	O
with	O
a	O
3400mAh	O
non-removable	O
battery	O
.	O
</s>
<s>
Sales	O
of	O
the	O
OnePlus	B-Application
3	I-Application
were	O
discontinued	O
on	O
17	O
November	O
with	O
the	O
OnePlus	B-Application
3T	I-Application
replacing	O
it	O
.	O
</s>
<s>
It	O
was	O
also	O
announced	O
the	O
phone	O
will	O
share	O
the	O
same	O
software	O
update	O
cycle	O
with	O
its	O
successor	O
starting	O
from	O
Android	B-Application
N	I-Application
.	O
</s>
<s>
After	O
owners	O
of	O
the	O
phone	O
expressed	O
concern	O
whether	O
their	O
phone	O
would	O
be	O
abandoned	O
after	O
the	O
release	O
of	O
theOnePlus	O
5	O
,	O
it	O
was	O
confirmed	O
by	O
OnePlus	O
CEO	O
Pete	O
Lau	O
that	O
the	O
phone	O
and	O
its	O
predecessor	O
would	O
eventually	O
receive	O
a	O
software	O
update	O
toAndroid	O
O.It	O
was	O
also	O
announced	O
that	O
it	O
would	O
be	O
the	O
last	O
major	O
update.On	O
8	O
September	O
2017	O
,	O
the	O
phone	O
started	O
receiving	O
Android	B-Application
O	I-Application
in	O
closed	O
beta	O
with	O
public	O
beta	O
updates	O
following	O
soon	O
after	O
as	O
part	O
of	O
their	O
community	O
beta	O
program	O
.	O
</s>
<s>
As	O
of	O
19	O
September	O
2017	O
,	O
Android	B-Application
8.0	I-Application
Oreo	I-Application
has	O
been	O
delivered	O
via	O
software	O
update	O
.	O
</s>
<s>
On	O
30	O
June	O
2018	O
,	O
OnePlus	O
updated	O
their	O
update	O
policy	O
for	O
the	O
OnePlus	B-Application
3	I-Application
and	O
3T	O
,	O
opting	O
to	O
update	O
to	O
Android	B-Application
Pie	I-Application
(	O
9.0	O
)	O
instead	O
of	O
Android	B-Application
8.1	I-Application
,	O
and	O
discontinued	O
their	O
Android	B-Application
8	I-Application
OpenBeta	O
program	O
.	O
</s>
<s>
The	O
first	O
stable	O
Android	B-Application
Pie	I-Application
update	O
was	O
rolled	O
out	O
to	O
devices	O
in	O
May	O
2019	O
.	O
</s>
<s>
Including	O
security	O
updates	O
and	O
bug	O
fixes	O
,	O
the	O
latest	O
firmware	O
for	O
the	O
3/3T	O
is	O
OxygenOS	B-Application
9.0.6	O
based	O
on	O
Android	B-Application
9	I-Application
.	O
</s>
<s>
The	O
OnePlus	B-Application
3	I-Application
features	O
a	O
new	O
metal	O
back	O
design	O
,	O
similar	O
to	O
that	O
of	O
an	O
HTC	B-Application
M9	I-Application
or	O
later	O
,	O
with	O
anodised	O
aluminium	O
and	O
curved	O
edges	O
.	O
</s>
<s>
The	O
device	O
is	O
slightly	O
smaller	O
than	O
its	O
predecessor	O
,	O
the	O
OnePlus	B-Application
2	I-Application
.	O
</s>
<s>
The	O
display	O
is	O
still	O
1920×1080	O
px	O
,	O
comparable	O
to	O
that	O
of	O
the	O
previous	O
two	O
models	O
,	O
but	O
the	O
3	O
is	O
the	O
first	O
flagship	O
OnePlus	O
to	O
have	O
an	O
optic	O
AMOLED	B-Algorithm
display	I-Algorithm
.	O
</s>
<s>
As	O
is	O
typical	O
for	O
most	O
smartphones	B-Application
,	O
the	O
OnePlus	B-Application
3	I-Application
features	O
Corning	O
Gorilla	O
Glass	O
4	O
protection	O
.	O
</s>
<s>
The	O
OnePlus	B-Application
3	I-Application
is	O
also	O
the	O
first	O
OnePlus	O
phone	O
to	O
ship	O
with	O
only	O
64	O
GB	O
of	O
storage	O
available	O
,	O
as	O
all	O
other	O
OnePlus	O
devices	O
have	O
shipped	O
with	O
a	O
16	O
GB	O
option	O
also	O
.	O
</s>
<s>
The	O
onboard	O
storage	O
is	O
UFS	B-Device
2.0	I-Device
,	O
but	O
there	O
is	O
no	O
option	O
for	O
memory	O
expansion	O
via	O
an	O
SD	O
card	O
.	O
</s>
<s>
The	O
OnePlus	B-Application
3	I-Application
does	O
include	O
a	O
dual-sim	O
card	O
tray	O
,	O
but	O
fails	O
to	O
have	O
compatibility	O
with	O
LTE	O
band	O
13	O
,	O
making	O
LTE	O
unavailable	O
to	O
Verizon	B-Application
customers	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
For	O
the	O
rear-facing	O
camera	O
,	O
the	O
OnePlus	B-Application
3	I-Application
has	O
a	O
16	O
MP	O
f/2.0	O
Sony	B-Device
IMX	I-Device
298	I-Device
sensor	O
,	O
with	O
both	O
optical	O
image	O
stabilisation	O
and	O
electronic	O
image	O
stabilisation	O
.	O
</s>
<s>
It	O
is	O
capable	O
of	O
4K	B-Architecture
video	I-Architecture
at	O
30fps	O
,	O
and	O
720p	O
slo-mo	O
video	O
at	O
120fps	O
.	O
</s>
<s>
Further	O
,	O
it	O
includes	O
support	O
for	O
shooting	O
RAW	B-Application
images	I-Application
,	O
allowing	O
greater	O
control	O
of	O
the	O
image	O
to	O
the	O
user	O
.	O
</s>
<s>
The	O
front	O
camera	O
is	O
an	O
8	O
MP	O
f/2.0	O
Sony	O
IMX179	O
sensor	O
,	O
with	O
1080p	O
at	O
30fps	O
video	O
and	O
fixed	O
focus.One	O
new	O
feature	O
to	O
the	O
OnePlus	B-Application
3	I-Application
is	O
Dash	O
Charge	O
.	O
</s>
<s>
It	O
is	O
a	O
custom	O
version	O
of	O
OnePlus	O
 '	O
parent	O
company	O
's	O
(	O
OPPO	O
Electronics	O
)	O
VOOC	B-Architecture
Charging	O
.	O
</s>
<s>
Other	O
features	O
include	O
the	O
alert	O
slider	O
,	O
originally	O
added	O
to	O
the	O
OnePlus	B-Application
2	I-Application
.	O
</s>
<s>
NFC	O
was	O
added	O
again	O
from	O
the	O
OnePlus	O
One	O
(	O
as	O
it	O
was	O
absent	O
from	O
OnePlus	B-Application
2	I-Application
)	O
.	O
</s>
<s>
TDD	O
38	O
/	O
40Factory	O
OS	O
is	O
OxygenOS	B-Application
,	O
but	O
can	O
be	O
changed	O
to	O
HydrogenOS	B-Application
.	O
</s>
<s>
Several	O
reports	O
also	O
claimed	O
that	O
despite	O
the	O
OnePlus	B-Application
3	I-Application
's	O
6	O
GB	O
of	O
RAM	B-Architecture
,	O
the	O
phone	O
could	O
not	O
handle	O
more	O
than	O
3	O
or	O
4	O
applications	O
at	O
one	O
time	O
.	O
</s>
<s>
Ars	O
Technica	O
added	O
that	O
OnePlus	O
configured	O
its	O
build	O
of	O
Android	O
to	O
impose	O
an	O
artificial	O
limit	O
of	O
20	O
applications	O
stored	O
in	O
RAM	B-Architecture
at	O
a	O
time	O
.	O
</s>
<s>
The	O
Verge	O
gave	O
the	O
OnePlus	B-Application
3	I-Application
an	O
8.6/10	O
,	O
praising	O
its	O
great	O
build	O
quality	O
,	O
high	O
performance	O
and	O
sharp	O
display	O
.	O
</s>
<s>
However	O
,	O
The	O
Verge	O
had	O
some	O
reservations	O
about	O
the	O
phone	O
,	O
noting	O
that	O
it	O
does	O
not	O
work	O
on	O
the	O
US	O
Verizon	B-Application
or	O
Sprint	O
networks	O
,	O
it	O
does	O
not	O
have	O
an	O
SD	O
Card	O
slot	O
,	O
and	O
the	O
quick	O
charging	O
is	O
limited	O
to	O
a	O
OnePlus-specific	O
cable	O
and	O
power	O
brick	O
.	O
</s>
<s>
Nonetheless	O
,	O
they	O
conclude	O
that	O
"	O
The	O
OnePlus	B-Application
3	I-Application
is	O
the	O
rare	O
kind	O
of	O
phone	O
 [ we ] 	O
can	O
recommend	O
without	O
reservations	O
"	O
.	O
</s>
<s>
On	O
launch	O
,	O
XDA	B-Application
Developers	I-Application
called	O
the	O
OnePlus	B-Application
3	I-Application
the	O
"	O
Perfect	O
Canvas	O
for	O
the	O
Spec-Hungry	O
Tinkerer	O
"	O
.	O
</s>
<s>
In	O
January	O
they	O
discovered	O
that	O
with	O
the	O
launch	O
of	O
the	O
Android	B-Application
7.0	I-Application
Nougat	B-Application
update	O
,	O
OnePlus	O
introduced	O
a	O
software	O
defeat	O
device	O
into	O
the	O
code	O
of	O
the	O
OnePlus	B-Application
3	I-Application
and	O
the	O
OnePlus	B-Application
3T	I-Application
,	O
relaxing	O
thermal	O
throttling	O
and	O
increasing	O
clock	O
speeds	O
when	O
the	O
phone	O
detected	O
that	O
it	O
was	O
in	O
a	O
benchmark	O
app	O
,	O
in	O
order	O
to	O
boost	O
benchmark	O
scores	O
.	O
</s>
<s>
OnePlus	O
later	O
reversed	O
this	O
decision	O
with	O
the	O
OnePlus	B-Application
5	I-Application
,	O
reintroducing	O
the	O
software	O
that	O
locked	O
clock	O
speeds	O
to	O
their	O
maximum	O
while	O
in	O
a	O
benchmark	O
.	O
</s>
