<s>
The	O
Librem	B-Application
5	I-Application
is	O
a	O
smartphone	B-Application
manufactured	O
by	O
Purism	O
that	O
is	O
part	O
of	O
their	O
Librem	B-Device
line	O
of	O
products	O
.	O
</s>
<s>
The	O
phone	O
is	O
designed	O
with	O
the	O
goal	O
of	O
using	O
free	B-Application
software	I-Application
whenever	O
possible	O
,	O
includes	O
PureOS	B-Language
,	O
a	O
Linux	B-Application
operating	I-Application
system	I-Application
,	O
by	O
default	O
,	O
and	O
as	O
of	O
2021	O
is	O
the	O
only	O
smartphone	B-Application
recommended	O
by	O
the	B-Operating_System
Free	I-Operating_System
Software	I-Operating_System
Foundation	I-Operating_System
.	O
</s>
<s>
Like	O
other	O
Librem	B-Device
products	O
,	O
the	O
Librem	B-Application
5	I-Application
focuses	O
on	O
privacy	O
and	O
freedom	O
,	O
and	O
includes	O
features	O
like	O
hardware	O
kill	O
switches	O
,	O
and	O
easily-replaceable	O
components	O
.	O
</s>
<s>
The	O
first	O
mass-production	O
version	O
of	O
the	O
Librem	B-Application
5	I-Application
was	O
shipped	O
on	O
November	O
18	O
,	O
2020	O
.	O
</s>
<s>
On	O
August	O
24	O
,	O
2017	O
,	O
Purism	O
started	O
a	O
crowdfunding	O
campaign	O
for	O
the	O
Librem	B-Application
5	I-Application
,	O
a	O
smartphone	B-Application
aimed	O
not	O
only	O
to	O
run	O
purely	O
on	O
free	B-Application
software	I-Application
provided	O
in	O
PureOS	B-Language
,	O
but	O
to	O
"[focus]	O
on	O
security	O
by	O
design	O
and	O
privacy	O
protection	O
by	O
default	O
"	O
.	O
</s>
<s>
Purism	O
has	O
cooperated	O
with	O
GNOME	B-Application
in	O
its	O
development	O
of	O
the	O
Librem	B-Application
5	I-Application
software	O
.	O
</s>
<s>
It	O
is	O
planned	O
,	O
that	O
KDE	B-Application
and	O
Ubuntu	B-Protocol
Touch	I-Protocol
will	O
also	O
be	O
offered	O
as	O
optional	O
interfaces	O
.	O
</s>
<s>
The	O
release	O
of	O
the	O
Librem	B-Application
5	I-Application
was	O
delayed	O
several	O
times	O
.	O
</s>
<s>
The	O
iterative	O
release	O
plan	O
included	O
the	O
announcement	O
of	O
six	O
different	O
"	O
batches	O
"	O
of	O
Librem	B-Application
5	I-Application
releases	O
,	O
of	O
which	O
the	O
first	O
four	O
would	O
be	O
limited	O
pre-production	O
models	O
.	O
</s>
<s>
On	O
September	O
24	O
,	O
2019	O
,	O
Purism	O
announced	O
that	O
the	O
first	O
batch	O
of	O
limited-production	O
Librem	B-Application
5	I-Application
phones	O
(	O
Aspen	O
)	O
had	O
started	O
shipping	O
.	O
</s>
<s>
According	O
to	O
TechRadar	O
,	O
the	O
3	O
to	O
5-hour	O
battery	O
time	O
and	O
the	O
inability	O
of	O
the	O
phone	O
to	O
charge	O
while	O
turned	O
on	O
was	O
"	O
A	O
stark	O
reminder	O
of	O
the	O
Librem	B-Application
5	I-Application
's	O
beta	O
status	O
"	O
.	O
</s>
<s>
On	O
November	O
18	O
,	O
2020	O
,	O
Purism	O
announced	O
via	O
press	O
release	O
that	O
they	O
had	O
begun	O
shipping	O
the	O
finished	O
version	O
of	O
the	O
Librem	B-Application
5	I-Application
,	O
known	O
as	O
"	O
Evergreen	O
"	O
.	O
</s>
<s>
Following	O
its	O
release	O
,	O
in	O
December	O
2019	O
,	O
Purism	O
announced	O
that	O
it	O
will	O
offer	O
a	O
"	O
Librem	B-Application
5	I-Application
USA	I-Application
"	O
version	O
of	O
the	O
phone	O
for	O
the	O
price	O
of	O
$1999	O
,	O
which	O
is	O
assembled	O
in	O
the	O
United	O
States	O
for	O
extra	O
supply	O
chain	O
security	O
.	O
</s>
<s>
The	O
Librem	B-Application
5	I-Application
features	O
an	O
i.MX	B-Architecture
8M	O
Quad	O
Core	O
processor	O
,	O
with	O
an	O
integrated	O
GPU	O
which	O
supports	O
OpenGL	O
3.0	O
,	O
OpenGL	O
ES	O
3.1	O
,	O
Vulkan	O
1.0	O
and	O
OpenCL	O
1.2	O
with	O
default	O
drivers	O
;	O
however	O
,	O
since	O
the	O
driver	O
used	O
is	O
the	O
open	O
source	O
Etnaviv	O
driver	O
,	O
it	O
currently	O
only	O
supports	O
OpenGL	O
2.1	O
and	O
OpenGL	O
ES	O
2.0	O
.	O
</s>
<s>
The	O
left	O
side	O
of	O
the	O
phone	O
features	O
three	O
hardware	O
kill	O
switches	O
,	O
which	O
cut	O
power	O
to	O
the	O
camera	O
and	O
microphone	O
,	O
Wi-Fi	O
and	O
Bluetooth	O
modem	O
,	O
and	O
the	O
baseband	B-Algorithm
modem	O
.	O
)	O
</s>
<s>
It	O
also	O
has	O
a	O
3.5mm	O
TRRS	O
headphone/mic	O
jack	O
,	O
a	O
single	O
SIM	O
slot	O
,	O
and	O
a	O
microSD	O
card	O
slot	O
.	O
</s>
<s>
The	O
Librem	B-Application
5	I-Application
is	O
powered	O
by	O
a	O
lithium-ion	O
battery	O
.	O
</s>
<s>
However	O
,	O
unlike	O
PinePhone	B-Application
,	O
the	O
battery	O
is	O
unique	O
to	O
Librem	B-Application
5	I-Application
,	O
and	O
cannot	O
be	O
replaced	O
by	O
any	O
other	O
battery	O
type	O
.	O
</s>
<s>
The	O
hardware	O
features	O
three	O
hardware	O
kill	O
switches	O
that	O
physically	O
cut	O
off	O
power	O
from	O
both	O
cameras	O
and	O
the	O
microphone	O
,	O
Wi-Fi	O
and	O
Bluetooth	O
,	O
and	O
baseband	B-Algorithm
processor	O
,	O
respectively	O
.	O
</s>
<s>
Further	O
precautionary	O
measures	O
can	O
be	O
used	O
with	O
Lockdown	O
Mode	O
,	O
which	O
,	O
in	O
addition	O
to	O
powering	O
off	O
the	O
cameras	O
,	O
microphone	O
,	O
WiFi	O
,	O
Bluetooth	O
and	O
cellular	O
baseband	B-Algorithm
,	O
also	O
cuts	O
power	O
to	O
the	O
GNSS	O
,	O
IMU	O
,	O
ambient	O
light	O
and	O
proximity	B-Device
sensor	I-Device
.	O
</s>
<s>
This	O
is	O
possible	O
due	O
to	O
the	O
fact	O
,	O
that	O
these	O
components	O
are	O
not	O
integrated	O
into	O
the	O
System	B-Architecture
on	I-Architecture
a	I-Architecture
Chip	I-Architecture
(	O
SoC	O
)	O
,	O
like	O
they	O
are	O
in	O
conventional	O
smartphones	B-Application
.	O
</s>
<s>
Instead	O
,	O
the	O
cellular	O
baseband	B-Algorithm
and	O
Wi-Fi/Bluetooth	O
components	O
are	O
located	O
on	O
two	O
replaceable	O
M.2	B-Protocol
cards	O
,	O
which	O
means	O
,	O
that	O
they	O
can	O
be	O
changed	O
to	O
support	O
different	O
wireless	O
standards	O
.	O
</s>
<s>
The	O
kill	O
switch	O
to	O
cut	O
the	O
circuit	O
to	O
the	O
microphone	O
will	O
prevent	O
the	O
3.5mm	O
audio	B-Device
jack	I-Device
being	O
used	O
for	O
acoustic	O
cryptanalysis	O
.	O
</s>
<s>
In	O
place	O
of	O
an	O
integrated	O
mobile	O
SoC	O
found	O
in	O
most	O
smartphones	B-Application
,	O
the	O
Librem	B-Application
5	I-Application
uses	O
six	O
separate	O
chips	O
:	O
i.MX	B-Architecture
8M	O
Quad	O
,	O
Silicon	O
Labs	O
RS9116	O
,	O
Broadmobi	O
BM818	O
/	O
Gemalto	O
PLS8	O
,	O
STMicroelectronics	O
Teseo-LIV3F	O
,	O
Wolfson	O
Microelectronics	O
WM8962	O
,	O
and	O
Texas	O
Instruments	O
bq25895	O
.	O
</s>
<s>
The	O
downside	O
to	O
having	O
dedicated	O
chips	O
instead	O
of	O
an	O
integrated	O
system-on-chip	B-Architecture
is	O
,	O
that	O
it	O
takes	O
more	O
energy	O
to	O
operate	O
separate	O
chips	O
,	O
and	O
the	O
phone	O
's	O
circuit	O
boards	O
are	O
much	O
larger	O
.	O
</s>
<s>
According	O
to	O
Purism	O
,	O
the	O
Librem	B-Application
5	I-Application
is	O
designed	O
to	O
avoid	O
planned	O
obsolescence	O
,	O
and	O
will	O
receive	O
lifetime	O
software	O
updates	O
.	O
</s>
<s>
The	O
Librem	B-Application
5	I-Application
is	O
the	O
first	O
phone	O
to	O
contain	O
a	O
smartcard	O
reader	O
,	O
where	O
an	O
OpenPGP	O
card	O
can	O
be	O
inserted	O
for	O
secure	O
cryptographic	O
operations	O
.	O
</s>
<s>
Purism	O
publishes	O
the	O
schematics	O
of	O
the	O
Librem	B-Application
5	I-Application
's	O
printed	O
circuit	O
boards	O
(	O
PCBs	O
)	O
under	O
the	O
GPL	B-License
3.0	O
+	O
license	O
,	O
and	O
publishes	O
x-rays	O
of	O
the	O
phone	O
,	O
so	O
that	O
the	O
user	O
can	O
verify	O
that	O
there	O
have	O
n't	O
been	O
any	O
changes	O
to	O
the	O
hardware	O
,	O
such	O
as	O
inserted	O
spy	O
chips	O
.	O
</s>
<s>
The	O
Librem	B-Application
5	I-Application
ships	O
with	O
Purism	O
's	O
PureOS	B-Language
,	O
a	O
Debian	O
GNU/Linux	B-Application
derivative	O
.	O
</s>
<s>
The	O
operating	O
system	O
uses	O
a	O
new	O
mobile	O
user	O
interface	O
developed	O
by	O
Purism	O
called	O
Phosh	B-Language
,	O
a	O
portmanteau	O
from	O
"	O
phone	O
shell	O
"	O
.	O
</s>
<s>
It	O
is	O
based	O
on	O
Wayland	B-Language
,	O
wlroots	O
,	O
GTK	B-Application
3	O
,	O
and	O
GNOME	B-Application
.	O
</s>
<s>
Unlike	O
other	O
mobile	O
Linux	B-Application
interfaces	O
,	O
such	O
as	O
Ubuntu	B-Protocol
Touch	I-Protocol
and	O
KDE	B-Application
Plasma	O
Mobile	O
,	O
Phosh	B-Language
is	O
based	O
on	O
tight	O
integration	O
with	O
the	O
desktop	O
Linux	B-Application
software	O
stack	O
,	O
which	O
Purism	O
developers	O
believe	O
will	O
make	O
it	O
easier	O
to	O
maintain	O
in	O
the	O
long-term	O
and	O
incorporate	O
into	O
existing	O
desktop	O
Linux	B-Application
distributions	O
.	O
</s>
<s>
Phosh	B-Language
has	O
been	O
packaged	O
in	O
a	O
number	O
of	O
desktop	O
distros	O
(	O
Debian	O
,	O
Arch	O
,	O
Manjaro	O
,	O
Fedora	O
and	O
openSUSE	O
)	O
and	O
is	O
used	O
by	O
eight	O
of	O
the	O
sixteen	O
Linux	B-Application
ports	O
for	O
the	O
PinePhone	B-Application
.	O
</s>
<s>
The	O
phone	O
is	O
a	O
convergence	O
device	O
:	O
if	O
connected	O
to	O
a	O
keyboard	O
,	O
monitor	O
,	O
and	O
mouse	O
,	O
it	O
can	O
run	O
Linux	B-Application
applications	O
as	O
a	O
desktop	O
computer	O
would	O
.	O
</s>
<s>
Many	O
desktop	O
Linux	B-Application
applications	O
can	O
run	O
on	O
the	O
phone	O
as	O
well	O
,	O
albeit	O
possibly	O
without	O
a	O
touch-friendly	O
UI	O
.	O
</s>
<s>
Purism	O
has	O
developed	O
the	O
libhandy	O
library	O
to	O
make	O
GTK	B-Application
software	O
adaptive	O
so	O
its	O
interface	O
elements	O
adjust	O
to	O
smaller	O
mobile	O
screens	O
.	O
</s>
<s>
In	O
contrast	O
,	O
other	O
companies	O
such	O
as	O
Microsoft	O
and	O
Samsung	B-Application
with	O
Ubuntu	O
(	O
and	O
Canonical	O
before	O
Unity8	O
)	O
tried	O
to	O
achieve	O
convergence	O
by	O
having	O
separate	O
sets	O
of	O
software	O
for	O
the	O
mobile	O
and	O
desktop	O
PC	O
environments	O
.	O
</s>
<s>
Purism	O
claims	O
that	O
the	O
"	O
Librem	B-Application
5	I-Application
will	O
be	O
the	O
first	O
ever	O
Matrix-powered	O
smartphone	B-Application
,	O
natively	O
using	O
end-to-end	O
encrypted	O
decentralised	O
communication	O
in	O
its	O
dialer	O
and	O
messaging	O
app	O
"	O
.	O
</s>
<s>
Purism	O
was	O
unable	O
to	O
find	O
a	O
free/open	O
-source	O
cellular	B-Device
modem	I-Device
,	O
so	O
the	O
phone	O
uses	O
a	O
modem	O
with	O
proprietary	O
hardware	O
,	O
but	O
isolates	O
it	O
from	O
the	O
rest	O
of	O
the	O
components	O
rather	O
than	O
having	O
it	O
integrated	O
with	O
the	O
System	B-Architecture
on	I-Architecture
a	I-Architecture
Chip	I-Architecture
(	O
SoC	O
)	O
.	O
</s>
