<s>
The	O
PinePhone	B-Application
is	O
a	O
smartphone	B-Application
developed	O
by	O
Hong	O
Kong-based	O
computer	O
manufacturer	O
Pine64	O
,	O
intended	O
to	O
allow	O
the	O
user	O
to	O
have	O
full	O
control	O
over	O
the	O
device	O
.	O
</s>
<s>
The	O
PinePhone	B-Application
ships	O
with	O
the	O
Manjaro	O
Linux-based	O
operating	O
system	O
using	O
the	O
Plasma	B-Language
Mobile	I-Language
graphic	O
interface	O
,	O
although	O
other	O
distributions	B-Application
can	O
be	O
installed	O
by	O
users	O
.	O
</s>
<s>
Pine64	O
sold	O
limited	O
editions	O
of	O
the	O
PinePhone	B-Application
,	O
marketed	O
towards	O
developers	O
and	O
early	O
adopters	O
.	O
</s>
<s>
The	O
community	O
edition	O
PinePhones	B-Application
featured	O
a	O
branding	O
on	O
the	O
back	O
cover	O
and	O
shipped	O
with	O
a	O
custom	O
box	O
designed	O
by	O
the	O
partnered	O
artists	O
.	O
</s>
<s>
Initially	O
,	O
the	O
PinePhone	B-Application
was	O
only	O
available	O
in	O
one	O
hardware	O
configuration	O
.	O
</s>
<s>
The	O
enhanced	O
"	O
Convergence	O
Package	O
"	O
was	O
introduced	O
with	O
the	O
postmarketOS	B-Application
community	O
edition	O
announcement	O
,	O
featuring	O
increased	O
RAM	B-Architecture
,	O
additional	O
eMMC	O
storage	O
,	O
and	O
a	O
USB-C	O
dock	O
known	O
as	O
a	O
"	O
docking	O
bar	O
"	O
.	O
</s>
<s>
The	O
docking	O
bar	O
is	O
capable	O
of	O
delivering	O
power	O
to	O
the	O
phone	O
via	O
USB-C	O
power-in	O
(	O
3A	O
5V	O
)	O
,	O
outputting	O
digital	O
video	O
via	O
HDMI	B-Protocol
,	O
and	O
has	O
10/100Mbps	O
Ethernet	O
connectivity	O
and	O
two	O
USB	O
2.0	O
ports	O
(	O
for	O
example	O
,	O
external	O
storage	O
,	O
mouse	O
and	O
keyboard	O
)	O
.	O
</s>
<s>
In	O
February	O
2021	O
,	O
Pine64	O
announced	O
the	O
end	O
of	O
community	O
edition	O
devices	O
,	O
and	O
that	O
the	O
default	O
operating	O
system	O
for	O
the	O
production-ready	O
PinePhone	B-Application
would	O
be	O
Manjaro	B-Application
using	O
the	O
KDE	B-Language
Plasma	I-Language
Mobile	I-Language
graphical	O
environment	O
.	O
</s>
<s>
The	O
company	O
then	O
introduced	O
the	O
PinePhone	B-Application
Beta	O
Edition	O
several	O
weeks	O
later	O
.	O
</s>
<s>
In	O
October	O
2021	O
,	O
Pine64	O
announced	O
the	O
PinePhone	B-Application
Pro	O
.	O
</s>
<s>
In	O
January	O
2022	O
,	O
Pine64	O
started	O
accepting	O
pre-orders	O
of	O
PinePhone	B-Application
Pro	O
for	O
deliveries	O
by	O
February	O
2022	O
.	O
</s>
<s>
The	O
PinePhone	B-Application
is	O
often	O
compared	O
to	O
other	O
phones	O
shipping	O
with	O
non-Android	O
Linux	O
distributions	B-Application
,	O
especially	O
the	O
Librem	B-Application
5	I-Application
,	O
which	O
released	O
around	O
the	O
same	O
time	O
,	O
and	O
the	O
WiFi-VoIP	O
phone	O
Necuno	B-Application
,	O
which	O
does	O
not	O
employ	O
a	O
cellular	O
modem	O
.	O
</s>
<s>
The	O
long	O
production	O
life	O
and	O
sharing	O
a	O
common	O
A64	O
platform	O
with	O
the	O
PineTab	O
tablet	O
and	O
Pine	O
A64	O
boards	O
is	O
meant	O
to	O
encourage	O
tinkerers	O
to	O
create	O
mods	O
and	O
DIY	O
projects	O
based	O
on	O
the	O
PinePhone	B-Application
.	O
</s>
<s>
The	O
original	O
PinePhone	B-Application
used	O
an	O
Allwinner	B-Architecture
A64	O
processor	O
,	O
which	O
has	O
four	O
Cortex-A53	O
cores	O
clocked	O
at	O
1.152GHz	O
and	O
a	O
Mali-400	O
MP2	O
GPU	O
.	O
</s>
<s>
It	O
has	O
a	O
5-megapixel	O
back	O
camera	O
and	O
a	O
2-megapixel	O
front	O
camera	O
,	O
and	O
a	O
USB-C	O
port	O
with	O
USB	O
2.0	O
that	O
supports	O
DisplayPort	B-Protocol
alt-mode	O
.	O
</s>
<s>
It	O
uses	O
the	O
same	O
form	O
factor	O
as	O
a	O
Galaxy	B-Application
J7	I-Application
battery	O
to	O
make	O
it	O
easier	O
to	O
find	O
replacement	O
batteries	O
.	O
</s>
<s>
Linux	B-Application
distributions	I-Application
configure	O
its	O
LPDDR3	O
DRAM	O
at	O
clock	O
rates	O
that	O
vary	O
between	O
552	O
and	O
624MHz	O
.	O
</s>
<s>
Like	O
the	O
Librem	B-Application
5	I-Application
,	O
the	O
PinePhone	B-Application
uses	O
separate	O
cellular	O
baseband	O
and	O
Wi-Fi/Bluetooth	O
chips	O
.	O
</s>
<s>
Together	O
with	O
the	O
hardware	O
kill	O
switches	O
,	O
this	O
results	O
in	O
larger	O
printed	O
circuit	O
boards	O
(	O
PCBs	O
)	O
and	O
less	O
energy	O
efficiency	O
compared	O
to	O
the	O
mass-produced	O
Android	B-Application
phone	I-Application
that	O
has	O
an	O
integrated	O
System	B-Architecture
on	I-Architecture
a	I-Architecture
Chip	I-Architecture
,	O
such	O
as	O
the	O
Snapdragon	B-Architecture
,	O
Helio	O
or	O
Exynos	O
.	O
</s>
<s>
The	O
PinePhone	B-Application
is	O
thinner	O
at	O
9.2mm	O
than	O
the	O
Librem	B-Application
5	I-Application
which	O
is	O
15.5mm	O
thick	O
because	O
the	O
PinePhone	B-Application
solders	O
its	O
wireless	O
communication	O
chips	O
to	O
the	O
PCB	O
whereas	O
the	O
Librem	B-Application
5	I-Application
places	O
the	O
cellular	O
baseband	O
and	O
Wi-Fi/Bluetooth	O
on	O
two	O
removable	O
M.2	O
cards	O
.	O
</s>
<s>
Pine64	O
is	O
the	O
second	O
phone	O
maker	O
(	O
after	O
OpenMoko	B-Application
)	O
to	O
offer	O
booting	B-Operating_System
from	O
a	O
microSD	O
card	O
,	O
which	O
allows	O
users	O
to	O
try	O
out	O
one	O
or	O
more	O
operating	O
systems	O
before	O
installing	O
in	O
the	O
internal	O
flash	B-Device
memory	I-Device
.	O
</s>
<s>
Another	O
distinctive	O
feature	O
of	O
the	O
PinePhone	B-Application
is	O
the	O
I2C	O
connector	O
under	O
the	O
back	O
cover	O
,	O
which	O
can	O
be	O
used	O
for	O
adding	O
mods	O
to	O
the	O
phone	O
.	O
</s>
<s>
The	O
PinePhone	B-Application
has	O
six	O
DIP	O
switches	O
under	O
the	O
back	O
cover	O
,	O
the	O
first	O
five	O
of	O
which	O
switch	O
off	O
separately	O
the	O
cellular	O
modem	O
,	O
the	O
Wi-Fi/Bluetooth	O
module	O
,	O
the	O
microphone	O
,	O
the	O
rear	O
camera	O
,	O
and	O
the	O
front	O
camera	O
.	O
</s>
<s>
The	O
sixth	O
DIP	O
switch	O
will	O
convert	O
the	O
3.5mm	O
headphone	B-Device
jack	I-Device
into	O
a	O
UART	O
serial	B-Protocol
port	I-Protocol
,	O
which	O
is	O
the	O
first	O
time	O
this	O
kind	O
of	O
switch	O
has	O
been	O
included	O
in	O
a	O
mobile	O
phone	O
.	O
</s>
<s>
Circuit	O
schematics	O
of	O
the	O
PinePhone	B-Application
are	O
available	O
.	O
</s>
<s>
The	O
PinePhone	B-Application
aims	O
to	O
be	O
fully	O
open	O
source	O
in	O
its	O
drivers	O
and	O
bootloader	O
.	O
</s>
<s>
Despite	O
this	O
,	O
due	O
to	O
the	O
scarcity	O
of	O
open-source	O
components	O
for	O
cellular	O
and	O
wireless	O
connectivity	O
,	O
the	O
firmware	O
for	O
the	O
Realtek	O
RTL8723CS	O
Wi-Fi/Bluetooth	O
,	O
as	O
well	O
as	O
the	O
optional	O
autofocus	O
firmware	O
for	O
the	O
OmniVision	O
OV5640	O
back	O
camera	O
,	O
remain	O
proprietary	B-Application
software	I-Application
.	O
</s>
<s>
In	O
order	O
to	O
mitigate	O
potential	O
threats	O
to	O
privacy	O
,	O
these	O
components	O
communicate	O
with	O
the	O
rest	O
of	O
the	O
system	O
only	O
over	O
serial	B-Protocol
protocols	O
,	O
such	O
as	O
USB	O
2.0	O
,	O
I2S	O
and	O
SDIO	O
,	O
which	O
do	O
not	O
allow	O
direct	B-General_Concept
memory	I-General_Concept
access	I-General_Concept
(	O
DMA	O
)	O
.	O
</s>
<s>
Some	O
distributions	B-Application
support	O
the	O
use	O
of	O
USB	O
Wi-Fi	B-General_Concept
adapters	I-General_Concept
that	O
use	O
open-source	B-Device
wireless	I-Device
firmware	I-Device
.	O
</s>
<s>
Modem	O
firmware	O
of	O
the	O
Quectel	O
EG25-G	O
LTE	O
board	O
is	O
based	O
on	O
a	O
proprietary	B-Application
Android	B-Application
userspace	I-Application
,	O
though	O
an	O
unofficial	O
,	O
mostly	O
open-source	O
version	O
exists	O
,	O
replacing	O
most	O
proprietary	B-Application
components	O
,	O
except	O
for	O
the	O
baseband	O
firmware	O
and	O
the	O
TrustZone	O
kernel	O
,	O
which	O
is	O
signed	O
by	O
Qualcomm	O
.	O
</s>
<s>
The	O
PinePhone	B-Application
relies	O
completely	O
on	O
open-source	O
operating	O
systems	O
developed	O
by	O
external	O
communities	O
,	O
with	O
only	O
the	O
flashing	O
onto	O
the	O
phone	O
done	O
by	O
Pine64	O
directly	O
.	O
</s>
<s>
Because	O
these	O
community	O
OS	O
projects	O
were	O
involved	O
in	O
the	O
development	O
of	O
the	O
PinePhone	B-Application
,	O
it	O
has	O
been	O
ported	O
to	O
19	O
Linux	B-Application
distributions	I-Application
and	O
seven	O
graphical	O
user	O
interfaces	O
,	O
as	O
of	O
August	O
2021	O
,	O
such	O
as	O
Ubuntu	B-Protocol
Touch	I-Protocol
by	O
UBports	B-Protocol
,	O
postmarketOS	B-Application
,	O
Mobian	O
(	O
Debian	O
ARM	O
)	O
,	O
LuneOS	B-Application
,	O
Nemo	B-Application
Mobile	I-Application
and	O
Maemo	O
Leste	O
.	O
</s>
<s>
An	O
unofficial	O
porting	O
project	O
,	O
GloDroid	O
,	O
has	O
ported	O
Android	B-Application
11	I-Application
to	O
the	O
PinePhone	B-Application
.	O
</s>
<s>
In	O
August	O
2020	O
,	O
AndroidPolice	O
reviewed	O
the	O
first	O
Community	O
edition	O
,	O
and	O
beside	O
the	O
title	O
"	O
The	O
Linux-based	O
PinePhone	B-Application
is	O
the	O
most	O
interesting	O
smartphone	B-Application
I	O
've	O
tried	O
in	O
years	O
"	O
it	O
touted	O
the	O
number	O
of	O
available	O
distros	O
,	O
and	O
the	O
idea	O
behind	O
communities	O
being	O
provided	O
with	O
the	O
means	O
of	O
developing	O
their	O
OS	O
.	O
</s>
<s>
In	O
January	O
2020	O
,	O
ZDNet	O
called	O
the	O
PinePhone	B-Application
hardware	O
"	O
promising	O
"	O
and	O
noted	O
the	O
hardware	O
switches	O
.	O
</s>
<s>
In	O
December	O
2019	O
,	O
Martins	O
D	O
.	O
Okoi	O
of	O
FossMint	O
said	O
that	O
the	O
first	O
edition	O
of	O
the	O
PinePhone	B-Application
is	O
aimed	O
at	O
Linux-savvy	O
users	O
who	O
would	O
like	O
to	O
test	O
beta	O
operating	O
system	O
builds	O
,	O
but	O
the	O
version	O
for	O
general	O
users	O
should	O
be	O
available	O
in	O
March	O
2020	O
.	O
</s>
<s>
In	O
November	O
2019	O
,	O
Phillip	O
Prado	O
of	O
Android	B-Application
Authority	O
said	O
that	O
the	O
PinePhone	B-Application
had	O
the	O
potential	O
to	O
"	O
expand	O
our	O
imaginations	O
into	O
what	O
mobile	O
computing	O
could	O
look	O
like	O
"	O
,	O
but	O
he	O
was	O
not	O
expecting	O
it	O
to	O
replace	O
everyone	O
's	O
Android	B-Application
device	O
.	O
</s>
<s>
Ars	O
Technica	O
wrote	O
about	O
the	O
unusual	O
external	O
ports	O
of	O
the	O
phone	O
,	O
offering	O
I2C	O
,	O
GPIO	B-Architecture
and	O
serial	B-Protocol
.	O
</s>
