<s>
The	O
Essential	B-Application
Phone	I-Application
(	O
officially	O
Phone	O
or	O
PH-1	O
)	O
is	O
a	O
discontinued	O
Android	B-Application
smartphone	B-Application
designed	O
by	O
Android	B-Application
co-founder	O
Andy	O
Rubin	O
,	O
and	O
manufactured	O
,	O
developed	O
and	O
marketed	O
by	O
Essential	O
Products	O
.	O
</s>
<s>
The	O
Essential	B-Application
Phone	I-Application
has	O
a	O
titanium	O
and	O
ceramic	O
body	O
,	O
an	O
edge-to-edge	O
display	O
protected	O
by	O
Gorilla	O
Glass	O
5	O
,	O
and	O
two	O
rear	O
cameras	O
,	O
one	O
of	O
which	O
is	O
dedicated	O
to	O
black-and-white	O
photography	O
.	O
</s>
<s>
Accompanying	O
the	O
phone	O
is	O
a	O
360-degree	B-Algorithm
camera	I-Algorithm
that	O
can	O
be	O
attached	O
to	O
the	O
top	O
of	O
the	O
device	O
.	O
</s>
<s>
It	O
was	O
notably	O
also	O
the	O
first	O
mainstream	O
smartphone	B-Application
to	O
feature	O
a	O
"	O
notch	O
"	O
(	O
the	O
cut-out	O
at	O
the	O
top	O
of	O
the	O
display	O
to	O
accommodate	O
a	O
front-facing	O
camera	O
)	O
,	O
which	O
would	O
eventually	O
become	O
a	O
trend	O
in	O
the	O
industry	O
.	O
</s>
<s>
On	O
December	O
28	O
,	O
2018	O
,	O
Essential	O
announced	O
to	O
media	O
outlets	O
that	O
they	O
would	O
discontinue	O
the	O
Essential	B-Application
PH-1	I-Application
.	O
</s>
<s>
Bloomberg	O
reported	O
in	O
January	O
2017	O
that	O
Andy	O
Rubin	O
,	O
co-founder	O
of	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
acquired	O
by	O
Google	B-Application
in	O
2005	O
,	O
was	O
preparing	O
to	O
announce	O
a	O
new	O
hardware	O
company	O
called	O
Essential	O
,	O
whose	O
first	O
hardware	O
product	O
would	O
be	O
the	O
"	O
Essential	O
"	O
Phone	O
.	O
</s>
<s>
The	O
phone	O
first	O
appeared	O
in	O
a	O
tweet	B-Application
by	O
Rubin	O
,	O
posted	O
on	O
March	O
27	O
,	O
2017	O
.	O
</s>
<s>
In	O
a	O
quote	O
of	O
the	O
tweet	B-Application
,	O
Alphabet	O
executive	O
chairman	O
Eric	O
Schmidt	O
confirmed	O
the	O
phone	O
would	O
run	O
Android	B-Application
.	O
</s>
<s>
A	O
few	O
days	O
prior	O
to	O
the	O
official	O
announcement	O
,	O
Essential	O
tweeted	O
an	O
image	O
of	O
what	O
appeared	O
to	O
be	O
a	O
360-degree	B-Algorithm
camera	I-Algorithm
attached	O
to	O
the	O
smartphone	B-Application
.	O
</s>
<s>
The	O
Essential	B-Application
Phone	I-Application
has	O
a	O
titanium	O
and	O
ceramic	O
chassis	O
,	O
an	O
edge-to-edge	O
display	O
with	O
an	O
unusual	O
19.5:10	O
aspect	O
ratio	O
protected	O
with	O
Gorilla	O
Glass	O
5	O
,	O
a	O
Snapdragon	O
835	O
processor	B-General_Concept
,	O
4GB	O
of	O
RAM	B-Architecture
,	O
and	O
128GB	O
of	O
storage	O
.	O
</s>
<s>
An	O
Amazon-exclusive	O
version	O
of	O
the	O
Essential	B-Application
Phone	I-Application
was	O
also	O
launched	O
that	O
month	O
with	O
a	O
"	O
Halo	O
Grey	O
"	O
color	O
and	O
Alexa	B-Application
built-in	O
.	O
</s>
<s>
One	O
sensor	O
is	O
monochrome	O
which	O
omits	O
the	O
Bayer	B-Algorithm
filter	I-Algorithm
to	O
provide	O
luminance	O
data	O
for	O
black-and-white	O
photography	O
.	O
</s>
<s>
The	O
IMX258	O
is	O
a	O
1/3.06	O
"	O
4:3	O
aspect	O
ratio	O
backside	B-Algorithm
illumination	I-Algorithm
stacked	I-Algorithm
image	I-Algorithm
sensor	I-Algorithm
,	O
which	O
provides	O
an	O
82°	O
angle	O
of	O
view	O
on	O
the	O
diagonal	O
.	O
</s>
<s>
It	O
has	O
a	O
USB-C	O
connector	O
but	O
no	O
3.5mm	O
headphone	B-Device
jack	I-Device
.	O
</s>
<s>
The	O
Verge	O
compared	O
the	O
Click	O
Connector	O
to	O
the	O
Moto	O
Mods	O
system	O
used	O
on	O
the	O
Moto	B-Application
Z	I-Application
line	O
of	O
smartphones	B-Application
.	O
</s>
<s>
The	O
first	O
modular	O
accessory	O
designed	O
and	O
launched	O
with	O
the	O
phone	O
is	O
a	O
360°	B-Algorithm
camera	I-Algorithm
.	O
</s>
<s>
In	O
January	O
2018	O
,	O
Essential	O
announced	O
the	O
development	O
of	O
the	O
Audio	O
Adapter	O
HD	O
,	O
a	O
third	O
Click	O
Connector	O
accessory	O
providing	O
a	O
headphone	B-Device
jack	I-Device
,	O
external	O
DAC	O
,	O
and	O
amplifier	O
.	O
</s>
<s>
The	O
Essential	B-Application
Phone	I-Application
is	O
compatible	O
with	O
the	O
four	O
largest	O
wireless	O
carriers	O
in	O
the	O
United	O
States	O
,	O
but	O
the	O
exclusive	O
carrier	O
partner	O
is	O
Sprint	O
.	O
</s>
<s>
In	O
July	O
2017	O
,	O
it	O
was	O
reported	O
Essential	O
was	O
planning	O
to	O
sell	O
the	O
Essential	B-Application
Phone	I-Application
in	O
other	O
markets	O
,	O
including	O
the	O
United	O
Kingdom	O
,	O
with	O
a	O
possible	O
partnership	O
with	O
EE	O
,	O
Japan	O
,	O
and	O
Europe	O
.	O
</s>
<s>
Bands	O
CDMA	B-Protocol
EV-DO	O
Rev	O
.	O
</s>
<s>
Essential	B-Application
Phone	I-Application
runs	O
Android	B-Application
,	O
without	O
modifications	O
.	O
</s>
<s>
It	O
has	O
an	O
unlocked	O
bootloader	B-Application
,	O
potentially	O
allowing	O
for	O
a	O
significant	O
developer	O
community	O
wanting	O
to	O
further	O
customize	O
its	O
software	O
.	O
</s>
<s>
Rubin	O
published	O
a	O
blog	O
post	O
on	O
August	O
16	O
,	O
2017	O
,	O
promising	O
two	O
years	O
of	O
Android	B-Application
updates	O
and	O
three	O
years	O
of	O
monthly	O
security	O
patches	O
.	O
</s>
<s>
On	O
August	O
6	O
,	O
2018	O
,	O
the	O
device	O
was	O
upgraded	O
to	O
Android	B-Application
9.0	I-Application
"	I-Application
Pie	I-Application
"	I-Application
,	O
day-and-date	O
with	O
its	O
official	O
launch	O
on	O
the	O
first-party	O
Google	B-Device
Pixel	I-Device
devices	O
.	O
</s>
<s>
An	O
update	O
to	O
Android	B-Application
10	I-Application
was	O
also	O
released	O
upon	O
its	O
public	O
availability	O
in	O
September	O
2019	O
.	O
</s>
<s>
In	O
January	O
2018	O
,	O
the	O
phone	O
quickly	O
received	O
a	O
patch	O
to	O
fix	O
the	O
Meltdown	B-Architecture
and	O
Spectre	B-Error_Name
vulnerabilities	I-Error_Name
after	O
they	O
were	O
revealed	O
.	O
</s>
<s>
Until	O
this	O
time	O
,	O
only	O
phones	O
by	O
Google	B-Application
had	O
these	O
vulnerabilities	O
patched	O
.	O
</s>
<s>
Rubin	O
announced	O
on	O
May	O
30	O
,	O
2017	O
,	O
that	O
the	O
Essential	B-Application
Phone	I-Application
would	O
ship	O
in	O
approximately	O
30	O
days	O
,	O
i.e.	O
</s>
<s>
After	O
a	O
series	O
of	O
delays	O
and	O
the	O
lack	O
of	O
an	O
exact	O
release	O
date	O
,	O
Best	O
Buy	O
put	O
up	O
listings	O
for	O
the	O
Essential	B-Application
Phone	I-Application
,	O
which	O
went	O
live	O
on	O
August	O
17	O
.	O
</s>
<s>
The	O
Essential	B-Application
Phone	I-Application
was	O
then	O
confirmed	O
to	O
start	O
shipping	O
by	O
the	O
fourth	O
week	O
of	O
August	O
,	O
according	O
to	O
an	O
email	O
sent	O
by	O
Rubin	O
to	O
customers	O
.	O
</s>
<s>
On	O
August	O
29	O
,	O
2017	O
,	O
reports	O
emerged	O
that	O
hundreds	O
of	O
customers	O
who	O
ordered	O
the	O
Essential	B-Application
Phone	I-Application
started	O
receiving	O
e-mails	O
from	O
an	O
@essential	O
address	O
.	O
</s>
<s>
Keyssa	O
said	O
it	O
was	O
in	O
talks	O
with	O
Essential	O
for	O
roughly	O
10	O
months	O
to	O
help	O
provide	O
the	O
technology	O
behind	O
connecting	O
Essential	O
's	O
new	O
Android	B-Application
phone	I-Application
and	O
their	O
planned	O
future	O
products	O
.	O
</s>
<s>
Essential	O
wanted	O
to	O
incorporate	O
a	O
Keyssa-developed	O
microchip	O
in	O
the	O
Essential	B-Application
Phone	I-Application
to	O
provide	O
functionality	O
to	O
their	O
modular	O
accessories	O
,	O
but	O
turned	O
to	O
a	O
similar	O
company	O
,	O
SiBeam	O
,	O
to	O
produce	O
the	O
microchip	O
.	O
</s>
<s>
The	O
Essential	B-Application
Phone	I-Application
received	O
generally	O
positive	O
reviews	O
.	O
</s>
<s>
Much	O
of	O
the	O
criticism	O
was	O
directed	O
towards	O
the	O
camera	O
performance	O
,	O
and	O
the	O
omission	O
of	O
a	O
headphone	B-Device
jack	I-Device
.	O
</s>
<s>
Wired	O
positively	O
noted	O
its	O
design	O
,	O
battery	O
life	O
,	O
performance	O
and	O
stock	O
Android	B-Application
OS	I-Application
,	O
but	O
disliked	O
the	O
camera	O
and	O
built-in	O
speaker	O
.	O
</s>
<s>
Engadget	B-Application
praised	O
its	O
build	O
quality	O
,	O
edge-to-edge	O
display	O
,	O
performance	O
,	O
battery	O
life	O
and	O
clean	O
build	O
of	O
Android	B-Application
7.1.1	I-Application
,	O
but	O
criticized	O
the	O
screen	O
's	O
brightness	O
,	O
and	O
the	O
lack	O
of	O
a	O
headphone	B-Device
jack	I-Device
and	O
water	O
resistance	O
.	O
</s>
<s>
Tech	O
reviewer	O
Marques	O
Brownlee	O
gave	O
the	O
phone	O
an	O
award	O
for	O
"	O
Best	O
Design	O
"	O
in	O
his	O
annual	O
"	O
Smartphone	B-Application
Awards	O
"	O
series	O
in	O
2017	O
.	O
</s>
<s>
In	O
its	O
first	O
month	O
of	O
release	O
,	O
shipments	O
of	O
the	O
Essential	B-Application
Phone	I-Application
were	O
very	O
low	O
,	O
with	O
sales	O
of	O
around	O
5,000	O
units	O
estimated	O
being	O
sold	O
through	O
Sprint	O
.	O
</s>
<s>
Customers	O
who	O
purchased	O
the	O
phone	O
at	O
the	O
original	O
price	O
could	O
claim	O
a	O
US$200	O
"	O
friends	O
and	O
family	O
"	O
code	O
that	O
could	O
be	O
used	O
to	O
purchase	O
the	O
360-degree	B-Algorithm
camera	I-Algorithm
module	O
or	O
another	O
Essential	B-Application
Phone	I-Application
.	O
</s>
<s>
On	O
October	O
9	O
,	O
2019	O
,	O
Essential	O
founder	O
Andy	O
Rubin	O
shared	O
Project	O
Gem	O
which	O
was	O
planned	O
to	O
be	O
the	O
company	O
's	O
upcoming	O
smartphone	B-Application
.	O
</s>
<s>
The	O
images	O
shared	O
by	O
Rubin	O
showed	O
an	O
abnormally	O
tall	O
smartphone	B-Application
running	O
on	O
Android	B-Application
.	O
</s>
