<s>
The	O
Amazon	B-Application
Fire	I-Application
,	O
formerly	O
called	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	O
,	O
is	O
a	O
line	O
of	O
tablet	B-Application
computers	I-Application
developed	O
by	O
Amazon	B-Application
.	O
</s>
<s>
Built	O
with	O
Quanta	O
Computer	O
,	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	O
was	O
first	O
released	O
in	O
November	O
2011	O
,	O
featuring	O
a	O
color	O
7-inch	O
multi-touch	B-Application
display	O
with	O
IPS	B-Architecture
technology	I-Architecture
and	O
running	O
on	O
Fire	B-Application
OS	I-Application
,	O
an	O
Android-based	O
operating	O
system	O
.	O
</s>
<s>
The	B-General_Concept
Kindle	I-General_Concept
Fire	B-Application
HD	I-Application
followed	O
in	O
September	O
2012	O
,	O
and	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	B-Application
HDX	I-Application
in	O
September	O
2013	O
.	O
</s>
<s>
In	O
September	O
2014	O
,	O
when	O
the	O
fourth	O
generation	O
was	O
introduced	O
,	O
the	O
name	O
"	O
Kindle	B-General_Concept
"	O
was	O
dropped	O
.	O
</s>
<s>
In	O
later	O
generations	O
,	O
the	O
Fire	B-Application
tablet	I-Application
is	O
also	O
able	O
to	O
convert	O
into	O
a	O
Smart	B-Device
speaker	I-Device
turning	O
on	O
the	O
"	O
Show	O
Mode	O
"	O
options	O
,	O
which	O
the	O
primary	O
interaction	O
will	O
be	O
by	O
voice	O
command	O
through	O
Alexa	B-Application
.	O
</s>
<s>
The	B-General_Concept
Kindle	I-General_Concept
Fire	O
—	O
which	O
includes	O
access	O
to	O
the	O
Amazon	B-Application
Appstore	O
,	O
streaming	O
movies	O
and	O
TV	O
shows	O
,	O
and	O
the	B-General_Concept
Kindle	I-General_Concept
Store	O
for	O
e-books	O
—	O
was	O
released	O
to	O
consumers	O
in	O
the	O
United	O
States	O
on	O
November	O
14	O
,	O
2011	O
,	O
after	O
being	O
announced	O
on	O
September	O
28	O
.	O
</s>
<s>
On	O
September	O
7	O
,	O
2012	O
,	O
upgrades	O
to	O
the	O
device	O
were	O
announced	O
with	O
consumer	O
availability	O
to	O
those	O
European	O
countries	O
with	O
a	O
localised	O
version	O
of	O
Amazon	B-Application
's	O
website	O
(	O
United	O
Kingdom	O
,	O
France	O
,	O
Germany	O
,	O
Italy	O
and	O
Spain	O
)	O
.	O
</s>
<s>
The	O
original	O
Kindle	B-Application
Fire	I-Application
retailed	O
for	O
in	O
2011	O
.	O
</s>
<s>
Amazon	B-Application
's	O
business	O
strategy	O
was	O
stated	O
in	O
2011	O
as	O
making	O
money	O
through	O
sales	O
of	O
digital	O
content	O
on	O
the	O
Fire	O
,	O
rather	O
than	O
through	O
sales	O
of	O
the	O
device	O
itself	O
.	O
</s>
<s>
,	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	O
was	O
the	O
second	O
best	O
selling	O
tablet	B-Device
after	O
Apple	O
's	O
iPad	B-Device
,	O
with	O
about	O
7million	O
units	O
sold	O
according	O
to	O
estimates	O
by	O
Forrester	O
Research	O
and	O
Amazon	B-Application
's	O
tablets	B-Device
were	O
the	O
fourth	O
best	O
selling	O
.	O
</s>
<s>
On	O
September	O
6	O
,	O
2012	O
,	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	O
was	O
upgraded	O
to	O
the	O
second	O
generation	O
,	O
and	O
its	O
price	O
was	O
reduced	O
to	O
,	O
RAM	O
upgraded	O
to	O
1GB	O
and	O
processor	O
clock	O
speed	O
upgraded	O
to	O
1.2GHz	O
.	O
</s>
<s>
A	O
more	O
powerful	O
and	O
video-friendly	O
version	O
,	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	B-Application
HD	I-Application
(	O
7	O
and	O
8.9	O
inch	O
versions	O
)	O
was	O
also	O
made	O
available	O
,	O
initially	O
priced	O
at	O
$199	O
and	O
$299	O
.	O
</s>
<s>
On	O
September	O
25	O
,	O
2013	O
,	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	B-Application
HD	I-Application
was	O
upgraded	O
as	O
the	O
third	O
generation	O
Fire	O
,	O
priced	O
at	O
,	O
and	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	B-Application
HDX	I-Application
was	O
introduced	O
.	O
</s>
<s>
The	B-General_Concept
Kindle	I-General_Concept
Fire	B-Application
HDX	I-Application
had	O
an	O
improved	O
graphics	O
engine	O
,	O
double	O
the	O
memory	O
,	O
and	O
triple	O
the	O
processor	O
speed	O
of	O
the	O
previous	O
model	O
.	O
</s>
<s>
In	O
September	O
2014	O
,	O
the	O
Fire	B-Application
HDX	I-Application
8.9	O
and	O
the	O
Fire	B-Application
HD	I-Application
were	O
upgraded	O
to	O
the	O
fourth	O
generation	O
of	O
Fire	B-Application
tablets	I-Application
,	O
removing	O
the	O
"	O
Kindle	B-General_Concept
"	O
adjective	O
in	O
the	O
naming	O
scheme	O
.	O
</s>
<s>
There	O
was	O
also	O
the	O
Fire	B-Application
HD	I-Application
6	O
that	O
has	O
a	O
six-inch	O
screen	O
with	O
a	O
quad-core	B-Architecture
processor	I-Architecture
priced	O
at	O
.	O
</s>
<s>
In	O
September	O
2015	O
,	O
Amazon	B-Application
announced	O
the	O
release	O
of	O
the	O
Fire	O
7	O
,	O
priced	O
at	O
for	O
the	O
8GB	O
version	O
that	O
displays	O
advertisements	O
on	O
the	O
lock	O
screen	O
.	O
</s>
<s>
it	O
was	O
the	O
lowest-priced	O
Amazon	B-Application
tablet	B-Device
.	O
</s>
<s>
This	O
fifth	O
generation	O
tablet	B-Device
introduced	O
a	O
micro	B-Device
SD	I-Device
card	I-Device
slot	O
for	O
extra	O
storage	O
.	O
</s>
<s>
In	O
September	O
2016	O
,	O
Amazon	B-Application
announced	O
the	O
release	O
of	O
the	O
Fire	B-Application
HD	I-Application
8	O
which	O
includes	O
the	O
virtual	O
assistant	O
Alexa	B-Application
,	O
priced	O
at	O
.	O
</s>
<s>
Fortune	O
reported	O
that	O
,	O
"	O
As	O
with	O
most	O
of	O
Amazon	B-Application
's	O
devices	O
,	O
the	O
aim	O
is	O
n't	O
to	O
make	O
money	O
off	O
of	O
the	O
hardware	O
but	O
instead	O
to	O
sell	O
digital	O
content	O
such	O
as	O
books	O
,	O
movies	O
,	O
and	O
TV	O
shows	O
to	O
users	O
"	O
.	O
</s>
<s>
The	B-General_Concept
Kindle	I-General_Concept
Fire	O
hardware	O
is	O
manufactured	O
by	O
Quanta	O
Computer	O
(	O
an	O
Original	O
Design	O
Manufacturer	O
)	O
,	O
which	O
also	O
originally	O
helped	O
design	O
the	O
BlackBerry	B-Application
PlayBook	I-Application
,	O
using	O
it	O
as	O
a	O
hardware	O
template	O
for	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	O
.	O
</s>
<s>
First-generation	O
Kindle	B-Application
Fire	I-Application
devices	O
employed	O
a	O
1-GHz	O
Texas	B-Device
Instruments	I-Device
OMAP	I-Device
4430	O
dual-core	B-Architecture
processor	I-Architecture
.	O
</s>
<s>
The	O
device	O
has	O
a	O
2-point	O
multi-touch	B-Application
colour	O
LCD	B-Device
screen	I-Device
with	O
a	O
diagonal	O
length	O
of	O
and	O
a	O
600×	O
1024-pixel	O
resolution	O
(	O
160	O
dpi	O
density	O
)	O
.	O
</s>
<s>
Of	O
the	O
8GB	O
internal	O
storage	O
available	O
in	O
the	O
first-generation	O
Kindle	B-Application
Fire	I-Application
,	O
approximately	O
6.5GB	O
was	O
available	O
for	O
content	O
.	O
</s>
<s>
The	O
first-generation	O
Kindle	B-Application
Fire	I-Application
has	O
a	O
sensor	O
on	O
the	O
upper	O
left-hand	O
corner	O
of	O
the	O
screen	O
.	O
</s>
<s>
The	O
first	O
generation	O
of	O
Kindle	B-Application
Fire	I-Application
devices	O
run	O
a	O
customised	O
Android	B-Application
2.3.3	I-Application
Gingerbread	B-Application
OS	O
.	O
</s>
<s>
The	O
second-generation	O
Kindle	B-Application
Fire	I-Application
HD	I-Application
runs	O
a	O
customised	O
Android	B-Application
4.0.3	I-Application
Ice	B-Application
Cream	I-Application
Sandwich	I-Application
OS	O
.	O
</s>
<s>
Along	O
with	O
access	O
to	O
Amazon	B-Application
Appstore	O
,	O
the	O
Fire	O
includes	O
a	O
cloud-accelerated	O
"	O
split	O
browser	O
"	O
,	O
Amazon	B-Protocol
Silk	I-Protocol
,	O
using	O
Amazon	B-General_Concept
EC2	I-General_Concept
for	O
off-device	O
cloud	O
computation	O
;	O
including	O
webpage	O
layout	O
and	O
rendering	O
,	O
and	O
Google	O
's	O
SPDY	B-Protocol
protocol	O
for	O
faster	O
webpage	O
content	O
transmission	O
.	O
</s>
<s>
The	O
user	O
's	O
Amazon	B-Application
digital	O
content	O
is	O
given	O
free	O
storage	O
in	O
Amazon	B-Application
Cloud	I-Application
's	O
web-storage	O
platform	O
,	O
5GB	O
music	O
storage	O
in	O
Amazon	B-General_Concept
Cloud	I-General_Concept
Drive	I-General_Concept
,	O
and	O
a	O
built-in	O
email	O
application	O
allows	O
webmail	O
(	O
Gmail	B-Application
,	O
Yahoo	O
!,	O
Hotmail	B-Operating_System
,	O
AOL	B-Application
Mail	I-Application
,	O
etc	O
.	O
)	O
</s>
<s>
The	O
subscription-based	O
Amazon	B-Application
Prime	O
,	O
which	O
includes	O
unlimited	O
streaming	O
of	O
movies	O
and	O
TV	O
shows	O
,	O
is	O
available	O
with	O
a	O
free	O
30-day	O
trial	O
period	O
.	O
</s>
<s>
Content	O
formats	O
supported	O
by	O
the	O
first-generation	O
Kindle	B-Application
Fire	I-Application
were	O
Kindle	B-General_Concept
Format	O
8	O
(	O
KF8	O
)	O
,	O
Kindle	B-General_Concept
Mobi	O
(	O
.azw	O
)	O
,	O
TXT	B-General_Concept
,	O
PDF	B-Application
,	O
unrestricted	O
MOBI	O
,	O
PRC	O
natively	O
,	O
Audible	B-Application
(	O
Audible	B-Application
Enhanced	O
(	O
AA	O
,	O
AAX	O
)	O
)	O
,	O
DOC	B-Operating_System
,	O
DOCX	B-Operating_System
,	O
JPEG	O
,	O
GIF	O
,	O
PNG	O
,	O
BMP	B-Device
,	O
PSD	B-Operating_System
,	O
EPUB	O
non-DRM	O
AAC	B-Application
,	O
MP3	B-Application
,	O
MIDI	O
,	O
OGG	O
,	O
WAV	O
,	O
MP4	O
,	O
VP8	B-Algorithm
.	O
</s>
<s>
Because	O
of	O
Amazon	B-Application
's	O
USB	O
driver	B-Application
implementation	O
,	O
the	O
first-generation	O
Kindle	B-Application
Fire	I-Application
suffered	O
from	O
slow	O
USB	O
transfer	O
speeds	O
.	O
</s>
<s>
It	O
is	O
possible	O
to	O
convert	O
a	O
Kindle	B-Application
Fire	I-Application
to	O
a	O
tablet	B-Device
running	O
standard	O
Android	B-Application
,	O
with	O
some	O
loss	O
of	O
Amazon-related	O
functionality	O
,	O
and	O
lacking	O
features	O
such	O
as	O
Bluetooth	B-Protocol
,	O
microphone	O
,	O
camera	O
,	O
and	O
memory	B-Device
expansion	I-Device
.	O
</s>
<s>
In	O
May	O
2022	O
,	O
Amazon	B-Application
announced	O
the	O
company	O
were	O
updating	O
the	O
foundation	O
of	O
the	O
Fire	O
Operating	O
System	O
.	O
</s>
<s>
Amazon	B-Application
’s	O
next	O
Fire	O
7	O
Tablet	B-Device
will	O
come	O
with	O
the	O
company	O
’s	O
Fire	B-Application
OS	I-Application
called	O
Fire	B-Application
OS	I-Application
8	O
,	O
while	O
Fire	B-Application
OS	I-Application
7	O
has	O
run	O
on	O
Android	B-Application
9	O
since	O
2018	O
,	O
Fire	B-Application
OS	I-Application
8	O
will	O
be	O
based	O
on	O
Android	B-Application
11	I-Application
,	O
which	O
the	O
company	O
stated	O
is	O
a	O
pretty	O
significant	O
upgrade	O
to	O
the	O
foundational	O
software	O
currently	O
powering	O
Amazon	B-Application
tablets	B-Device
.	O
</s>
<s>
Analysts	O
had	O
projected	O
the	O
device	O
to	O
be	O
a	O
strong	O
competitor	O
to	O
Apple	O
's	O
iPad	B-Device
,	O
and	O
that	O
other	O
Android	B-Application
device	O
makers	O
would	O
suffer	O
lost	O
sales	O
.	O
</s>
<s>
In	O
a	O
2012	O
review	O
published	O
by	O
Project	O
Gutenberg	O
,	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	O
was	O
called	O
a	O
"	O
huge	O
step	O
back	O
in	O
freedom	O
from	O
the	B-General_Concept
Kindle	I-General_Concept
3	O
"	O
;	O
the	O
reviewer	O
noted	O
that	O
Amazon	B-Application
introduced	O
a	O
"	O
deliberate	O
limitation	O
"	O
into	O
the	O
Fire	O
that	O
did	O
n't	O
exist	O
in	O
the	O
previous	O
version	O
:	O
it	O
is	O
no	O
longer	O
possible	O
to	O
download	O
free	O
e-books	O
from	O
websites	O
such	O
as	O
Project	O
Gutenberg	O
,	O
Internet	O
Archive	O
and	O
Google	B-Application
Books	I-Application
and	O
have	O
them	O
stored	O
permanently	O
in	O
the	O
same	O
places	O
where	O
books	O
from	O
Amazon	B-Application
are	O
kept	O
.	O
</s>
<s>
Customers	O
began	O
receiving	O
Kindle	B-Application
Fires	I-Application
on	O
November	O
15	O
,	O
2011	O
;	O
in	O
December	O
2012	O
,	O
customers	O
had	O
purchased	O
over	O
a	O
million	O
Kindle	B-General_Concept
devices	O
per	O
week	O
.	O
</s>
<s>
International	O
Data	O
Corporation	O
(	O
IDC	O
)	O
estimated	O
that	O
the	B-General_Concept
Kindle	I-General_Concept
Fire	O
sold	O
about	O
4.7	O
million	O
units	O
during	O
the	O
fourth	O
quarter	O
of	O
2011	O
.	O
</s>
<s>
The	B-General_Concept
Amazon	I-General_Concept
Kindle	I-General_Concept
Fire	O
helped	O
the	O
company	O
beat	O
their	O
2012	O
first	O
quarter	O
estimates	O
and	O
boosted	O
the	O
company	O
's	O
stock	O
in	O
extended	O
trading	O
.	O
</s>
<s>
Up	O
to	O
the	O
present	O
,	O
there	O
have	O
been	O
eleven	O
generations	O
of	O
Fire	B-Application
tablets	I-Application
,	O
spread	O
across	O
three	O
different	O
feature	O
design	O
lines	O
:	O
Fire	O
,	O
Fire	B-Application
HD	I-Application
and	O
Fire	B-Application
HDX	I-Application
.	O
</s>
<s>
Overview	O
on	O
generations	O
and	O
models	O
for	O
all	O
Fire	B-Application
tablet	I-Application
devices	O
:	O
</s>
<s>
Detailed	O
specifications	O
for	O
some	O
of	O
the	O
7	O
"	O
Fire	B-Application
tablets	I-Application
:	O
</s>
<s>
Generation(within Amazon Fire tablets )	O
1st(2011 )	O
2nd(2012 )	O
5th(2015 )	O
7th(2017 )	O
9th(2019 )	O
12th(2022 )	O
Model	O
Kindle	B-Application
Fire	I-Application
Fire	O
Fire	O
7	O
Code	O
nameOtter/BlazeOtter2FordAustinMustangQuartz	O
Model	O
Number	O
D01400	O
KFOT	O
KFFOWI	O
KFAUWI	O
KFMUWI	O
KFQUWI	O
Release	O
date	O
November	O
15	O
,	O
2011	O
September	O
14	O
,	O
2012	O
September	O
30	O
,	O
2015	O
June	O
7	O
,	O
2017	O
June	O
6	O
,	O
2019	O
June	O
29	O
,	O
2022	O
Status	O
OS	O
Fire	B-Application
OS	I-Application
1based	O
on	O
Android	B-Application
2.3.3	I-Application
Fire	B-Application
OS	I-Application
2.4	O
(	O
?	O
</s>
