<s>
Android	B-Application
Marshmallow	I-Application
(	O
codenamed	O
Android	B-Application
M	I-Application
during	O
development	O
)	O
is	O
the	O
sixth	B-Application
major	I-Application
version	I-Application
of	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
developed	O
by	O
Google	B-Application
,	O
being	O
the	O
successor	O
to	O
Android	B-Application
Lollipop	I-Application
.	O
</s>
<s>
It	O
was	O
announced	O
at	O
Google	B-Application
I/O	I-Application
on	O
May	O
28	O
,	O
2015	O
,	O
and	O
released	O
the	O
same	O
day	O
as	O
a	O
beta	O
,	O
before	O
being	O
officially	O
released	O
on	O
September	O
29	O
,	O
2015	O
.	O
</s>
<s>
It	O
was	O
succeeded	O
by	O
Android	B-Application
Nougat	I-Application
on	O
August	O
22	O
,	O
2016	O
.	O
</s>
<s>
Android	B-Application
Marshmallow	I-Application
primarily	O
focuses	O
on	O
improving	O
the	O
overall	O
user	O
experience	O
of	O
its	O
predecessor	O
.	O
</s>
<s>
It	O
introduced	O
a	O
new	O
opt-in	O
permissions	O
architecture	O
,	O
new	O
APIs	B-General_Concept
for	O
contextual	O
assistants	B-Protocol
(	O
first	O
used	O
by	O
a	O
new	O
feature	O
"	O
Now	O
on	O
Tap	O
"	O
to	O
provide	O
context-sensitive	O
search	O
results	O
)	O
,	O
a	O
new	O
power	O
management	O
system	O
that	O
reduces	O
background	O
activity	O
when	O
a	O
device	O
is	O
not	O
being	O
physically	O
handled	O
,	O
native	O
support	O
for	O
fingerprint	O
recognition	O
and	O
USB-C	O
connectors	O
,	O
the	O
ability	O
to	O
migrate	O
data	O
and	O
applications	O
to	O
a	O
microSD	O
card	O
,	O
and	O
other	O
internal	O
changes	O
.	O
</s>
<s>
Android	B-Application
Marshmallow	I-Application
was	O
met	O
by	O
low	O
adoption	O
numbers	O
,	O
with	O
13.3	O
%	O
of	O
Android	B-Application
devices	O
running	O
Marshmallow	B-Application
by	O
July	O
2016	O
.	O
</s>
<s>
Usage	O
of	O
Marshmallow	B-Application
steadily	O
increased	O
since	O
then	O
,	O
and	O
by	O
August	O
2017	O
,	O
35.21	O
%	O
of	O
Android	B-Application
devices	O
ran	O
Marshmallow	B-Application
,	O
before	O
receding	O
.	O
</s>
<s>
,	O
1.98	O
%	O
of	O
Android	B-Application
devices	O
run	O
Marshmallow	B-Application
.	O
</s>
<s>
Security	O
updates	O
for	O
Marshmallow	B-Application
ended	O
in	O
October	O
2017	O
.	O
</s>
<s>
Android	B-Application
Marshmallow	I-Application
internally	O
codenamed	O
"	O
Macadamia	O
Nut	O
Cookie	O
"	O
.	O
</s>
<s>
The	O
first	O
developer	O
preview	O
build	O
for	O
Marshmallow	B-Application
,	O
codenamed	O
Android	B-Application
"	O
M	O
"	O
,	O
was	O
unveiled	O
and	O
released	O
at	O
Google	B-Application
I/O	I-Application
on	O
May	O
28	O
,	O
2015	O
,	O
for	O
the	O
Nexus	B-Device
5	I-Device
and	O
Nexus	B-Device
6	I-Device
smartphones	B-Application
,	O
the	O
Nexus	B-Device
9	I-Device
tablet	B-Device
,	O
and	O
the	O
Nexus	B-Device
Player	I-Device
set-top	O
box	O
.	O
</s>
<s>
The	O
second	O
developer	O
preview	O
was	O
released	O
on	O
July	O
9	B-Device
,	O
2015	O
,	O
and	O
the	O
third	O
and	O
final	O
preview	O
was	O
released	O
on	O
August	O
17	O
,	O
2015	O
,	O
along	O
with	O
announcing	O
that	O
Android	B-Application
M	I-Application
would	O
be	O
titled	O
Android	B-Application
"	O
Marshmallow	B-Application
"	O
.	O
</s>
<s>
On	O
September	O
29	O
,	O
2015	O
,	O
Google	B-Application
unveiled	O
launch	O
devices	O
for	O
Marshmallow	B-Application
:	O
the	O
LG-produced	O
Nexus	B-Device
5X	I-Device
,	O
the	O
Huawei-produced	O
Nexus	B-Device
6P	I-Device
,	O
alongside	O
Google	B-Application
's	I-Application
own	O
Pixel	B-Device
C	I-Device
tablet	B-Device
.	O
</s>
<s>
Android	B-Application
6.0	I-Application
updates	O
and	O
factory	O
images	O
for	O
Nexus	B-Device
5	I-Device
,	O
6	B-Device
,	O
7	O
(	O
2013	O
)	O
,	O
9	B-Device
,	O
and	O
Player	B-Device
were	O
released	O
on	O
October	O
5	O
,	O
2015	O
.	O
</s>
<s>
Older	O
Nexus	B-Device
devices	O
,	O
including	O
the	O
Nexus	B-Device
4	I-Device
,	O
Nexus	B-Device
7	I-Device
(	O
2012	O
)	O
and	O
Nexus	B-Device
10	I-Device
,	O
did	O
not	O
receive	O
an	O
official	O
update	O
.	O
</s>
<s>
On	O
October	O
14	O
,	O
2015	O
,	O
LG	O
announced	O
that	O
it	O
planned	O
to	O
release	O
Marshmallow	B-Application
for	O
its	O
flagship	O
LG	B-Application
G4	I-Application
smartphone	B-Application
in	O
Poland	O
the	O
following	O
week	O
,	O
marking	O
the	O
first	O
third-party	O
device	O
to	O
receive	O
an	O
update	O
to	O
Marshmallow	B-Application
.	O
</s>
<s>
Android	B-Application
6.0.1	I-Application
,	O
a	O
software	O
patch	O
featuring	O
security	O
fixes	O
,	O
support	O
for	O
Unicode	O
8.0	O
emoji	B-Application
(	O
although	O
without	O
supporting	O
skin	O
tone	O
extensions	O
for	O
human	O
emoji	B-Application
)	O
,	O
and	O
the	O
return	O
of	O
the	O
"	O
until	O
next	O
alarm	O
"	O
feature	O
in	O
Do	O
Not	O
Disturb	O
mode	O
,	O
was	O
released	O
on	O
December	O
7	O
,	O
2015	O
.	O
</s>
<s>
A	O
new	O
"	O
Assist	O
"	O
API	B-General_Concept
allows	O
information	O
from	O
a	O
currently	O
opened	O
app	O
,	O
including	O
text	O
and	O
a	O
screenshot	O
of	O
the	O
current	O
screen	O
,	O
to	O
be	O
sent	O
to	O
a	O
designated	O
"	O
assistant	B-Protocol
"	O
application	O
for	O
analysis	O
and	O
processing	O
.	O
</s>
<s>
This	O
system	O
is	O
used	O
by	O
the	B-Application
Google	I-Application
Search	O
app	O
feature	O
"	O
Google	B-Application
Now	O
on	O
Tap	O
"	O
,	O
which	O
allows	O
users	O
to	O
perform	O
searches	O
within	O
the	O
context	O
of	O
information	O
currently	O
being	O
displayed	O
on-screen	O
.	O
</s>
<s>
While	O
the	O
"	O
Home	O
"	O
button	O
was	O
used	O
in	O
Android	B-Application
5	I-Application
to	O
show	O
available	O
apps	O
,	O
the	O
"	O
Home	O
"	O
button	O
is	O
used	O
now	O
(	O
together	O
with	O
a	O
voice	O
command	O
)	O
to	O
generate	O
on-screen	O
cards	O
which	O
display	O
information	O
,	O
suggestions	O
,	O
and	O
actions	O
related	O
to	O
the	O
content	O
.	O
</s>
<s>
The	O
new	O
"	O
Adoptable	O
storage	O
"	O
feature	O
allows	O
a	O
newly-inserted	O
SD	B-Device
card	I-Device
to	O
be	O
optionally	O
designated	O
as	O
"	O
internal	O
"	O
rather	O
than	O
"	O
portable	O
"	O
storage	O
.	O
</s>
<s>
"	O
Portable	O
"	O
storage	O
is	O
the	O
default	O
behavior	O
used	O
in	O
previous	O
Android	B-Application
versions	I-Application
,	O
treating	O
the	O
media	O
as	O
a	O
secondary	O
storage	O
device	O
for	O
storage	O
of	O
user	O
files	O
,	O
and	O
the	O
storage	O
media	O
can	O
be	O
removed	O
or	O
replaced	O
without	O
repercussions	O
,	O
but	O
user-installed	O
apps	O
are	O
restricted	O
to	O
writing	O
to	O
their	O
respective	O
package	O
name	O
directories	O
located	O
inside	O
Android/data	O
.	O
</s>
<s>
This	O
restriction	O
was	O
introduced	O
in	O
Android	B-Application
4.4	I-Application
KitKat	I-Application
.	O
</s>
<s>
The	O
Storage	O
Access	O
Framework	O
,	O
through	O
which	O
shared	O
writing	O
access	O
to	O
memory	O
cards	O
has	O
been	O
reinstated	O
in	O
Android	B-Application
5.0	I-Application
Lollipop	I-Application
,	O
is	O
backwards-incompatible	B-General_Concept
and	O
slower	O
due	O
to	O
latencies	O
.	O
</s>
<s>
When	O
designated	O
as	O
"	O
Internal	O
"	O
storage	O
,	O
the	O
storage	O
media	O
is	O
reformatted	O
with	O
an	O
encrypted	O
ext4	B-Application
file	O
system	O
,	O
and	O
is	O
"	O
adopted	O
"	O
by	O
the	O
operating	O
system	O
as	O
an	O
extension	O
of	O
the	O
primary	O
storage	O
partition	O
.	O
</s>
<s>
Samsung	B-Application
and	O
LG	O
have	O
,	O
however	O
,	O
removed	O
the	O
ability	O
to	O
use	O
an	O
SD	B-Device
card	I-Device
as	O
"	O
internal	O
"	O
storage	O
on	O
their	O
Galaxy	B-Application
S7	I-Application
and	O
G5	B-Application
devices	O
,	O
with	O
Samsung	B-Application
arguing	O
that	O
the	O
feature	O
could	O
result	O
in	O
unexpected	O
losses	O
of	O
data	O
,	O
and	O
prevents	O
users	O
from	O
being	O
able	O
to	O
transfer	O
data	O
using	O
the	O
card	O
.	O
</s>
<s>
Android	B-Application
Marshmallow	I-Application
introduces	O
a	O
redesigned	O
application	O
permissions	O
model	O
;	O
apps	O
are	O
no	O
longer	O
automatically	O
granted	O
all	O
of	O
their	O
specified	O
permissions	O
at	O
installation	O
time	O
.	O
</s>
<s>
The	O
new	O
permissions	O
model	O
is	O
used	O
only	O
by	O
applications	O
developed	O
for	O
Marshmallow	B-Application
using	O
its	O
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	O
)	O
,	O
and	O
older	O
apps	O
will	O
continue	O
to	O
use	O
the	O
previous	O
all-or-nothing	O
approach	O
.	O
</s>
<s>
Marshmallow	B-Application
introduces	O
new	O
power	O
management	O
schemes	O
known	O
as	O
"	O
Doze	O
"	O
and	O
"	O
App	O
Standby	O
"	O
;	O
when	O
running	O
on	O
battery	O
power	O
,	O
a	O
device	O
will	O
enter	O
a	O
low-power	O
state	O
if	O
it	O
is	O
inactive	O
and	O
not	O
being	O
physically	O
handled	O
.	O
</s>
<s>
Apps	O
may	O
request	O
a	O
permission	O
to	O
exempt	O
themselves	O
from	O
these	O
policies	O
,	O
but	O
will	O
be	O
rejected	O
from	O
Google	B-Application
Play	I-Application
Store	I-Application
as	O
a	O
violation	O
of	O
its	O
"	O
Dangerous	O
Products	O
"	O
policy	O
if	O
their	O
core	O
functionality	O
is	O
not	O
"	O
adversely	O
affected	O
"	O
by	O
them	O
.	O
</s>
<s>
Android	B-Application
Marshmallow	I-Application
provides	O
native	O
support	O
for	O
fingerprint	O
recognition	O
on	O
supported	O
devices	O
via	O
a	O
standard	O
API	B-General_Concept
,	O
allowing	O
third-party	O
applications	O
to	O
implement	O
fingerprint-based	O
authentication	O
.	O
</s>
<s>
Fingerprints	O
can	O
be	O
used	O
for	O
unlocking	O
devices	O
and	O
authenticating	O
Play	B-Application
Store	I-Application
and	O
Google	B-Application
Pay	I-Application
purchases	O
.	O
</s>
<s>
Android	B-Application
Marshmallow	I-Application
supports	O
USB-C	O
,	O
including	O
the	O
ability	O
to	O
instruct	O
devices	O
to	O
charge	O
another	O
device	O
over	O
USB	O
.	O
</s>
<s>
Marshmallow	B-Application
also	O
introduces	O
"	O
verified	O
links	O
"	O
that	O
can	O
be	O
configured	O
to	O
open	O
directly	O
in	O
their	O
specified	O
application	O
without	O
further	O
user	O
prompts	O
.	O
</s>
<s>
User	O
data	O
for	O
apps	O
targeting	O
Marshmallow	B-Application
can	O
be	O
automatically	O
backed	O
up	O
to	O
Google	B-Application
Drive	I-Application
over	O
Wi-Fi	O
.	O
</s>
<s>
Each	O
application	O
receives	O
up	O
to	O
25MB	O
of	O
storage	O
,	O
which	O
is	O
separate	O
from	O
a	O
user	O
's	O
Google	B-Application
Drive	I-Application
storage	O
allotment	O
.	O
</s>
<s>
As	O
of	O
Marshmallow	B-Application
,	O
the	O
Android	B-Application
Compatibility	O
Definition	O
Document	O
contains	O
new	O
security	O
mandates	O
for	O
devices	O
,	O
dictating	O
that	O
those	O
that	O
are	O
capable	O
of	O
accessing	O
encrypted	O
data	O
without	O
affecting	O
performance	O
must	O
enable	O
secure	O
boot	O
and	O
device	O
encryption	O
by	O
default	O
.	O
</s>
<s>
These	O
conditions	O
comprise	O
part	O
of	O
a	O
specification	O
that	O
must	O
be	O
met	O
in	O
order	O
to	O
be	O
certified	O
for	O
the	O
operating	O
system	O
,	O
and	O
be	O
able	O
to	O
license	O
Google	B-Application
Mobile	I-Application
Services	I-Application
software	O
.	O
</s>
<s>
The	O
requirement	O
for	O
mandatory	O
device	O
encryption	O
was	O
originally	O
intended	O
to	O
take	O
effect	O
on	O
Lollipop	B-Application
,	O
but	O
was	O
delayed	O
due	O
to	O
performance	O
issues	O
.	O
</s>
