<s>
The	O
HTC	B-Application
Sensation	I-Application
is	O
a	O
smartphone	B-Application
designed	O
and	O
manufactured	O
by	O
HTC	B-Application
Corporation	I-Application
that	O
runs	O
the	O
Android	B-Application
2.3	I-Application
Gingerbread	B-Application
software	O
stock	O
.	O
</s>
<s>
Officially	O
announced	O
by	O
HTC	B-Application
on	O
April	O
12	O
,	O
2011	O
,	O
the	O
HTC	B-Application
Sensation	I-Application
was	O
launched	O
by	O
Vodafone	O
in	O
key	O
European	O
markets	O
including	O
the	O
United	O
Kingdom	O
on	O
May	O
19	O
,	O
2011	O
and	O
by	O
T-Mobile	O
in	O
the	O
United	O
States	O
on	O
June	O
12	O
,	O
2011	O
(	O
marketed	O
as	O
the	O
HTC	B-Application
Sensation	I-Application
4G	I-Application
)	O
.	O
</s>
<s>
It	O
was	O
HTC	B-Application
's	O
fifth	O
flagship	O
Android	B-Application
phone	I-Application
and	O
the	O
first	O
HTC	B-Application
phone	O
to	O
support	O
the	O
HTC	B-Application
Sense	I-Application
3.0	O
user	O
interface	O
.	O
</s>
<s>
At	O
the	O
time	O
of	O
its	O
release	O
,	O
the	O
Sensation	O
XE	O
was	O
the	O
world	O
's	O
fastest	O
Android	B-Application
phone	I-Application
.	O
</s>
<s>
The	O
device	O
shipped	O
with	O
Android	B-Application
2.3.3	I-Application
and	O
includes	O
HTC	B-Application
Sense	I-Application
3.0	O
UI	O
.	O
</s>
<s>
HTC	B-Application
launched	O
the	O
Sensation	O
as	O
part	O
of	O
a	O
new	O
generation	O
of	O
devices	O
with	O
signed	O
bootloaders	B-Application
.	O
</s>
<s>
As	O
a	O
consequence	O
,	O
the	O
phones	O
were	O
originally	O
not	O
rootable	B-Application
,	O
denying	O
users	O
administrative	O
rights	O
to	O
their	O
phones	O
.	O
</s>
<s>
It	O
was	O
announced	O
on	O
July	O
10	O
,	O
2011	O
,	O
that	O
HTC	B-Application
Sensation	I-Application
devices	O
would	O
have	O
their	O
bootloaders	B-Application
unlocked	O
due	O
to	O
overwhelming	O
customer	O
feedback	O
after	O
the	O
release	O
.	O
</s>
<s>
In	O
August	O
2011	O
,	O
HTC	B-Application
officially	O
allowed	O
unlocking	O
HTC	B-Application
Sensation	I-Application
bootloaders	B-Application
at	O
the	O
HTCdev.com	O
website	O
.	O
</s>
<s>
In	O
March	O
2012	O
,	O
HTC	B-Application
updated	O
their	O
devices	O
to	O
Android	B-Application
4.0	O
Ice	O
Cream	O
Sandwich	O
(	O
ICS	O
)	O
.	O
</s>
<s>
The	O
ICS	O
update	O
re-locked	O
the	O
bootloader	B-Application
,	O
but	O
developers	O
found	O
a	O
procedure	O
that	O
made	O
it	O
possible	O
to	O
obtain	O
S-off	O
.	O
</s>
<s>
HTC	B-Application
decided	O
to	O
fork	B-Application
their	O
Sense	O
user	O
interface	O
,	O
leaving	O
Sensation	O
owners	O
who	O
updated	O
to	O
ICS	O
with	O
the	O
Sense	O
3.6	O
interface	O
instead	O
of	O
getting	O
Sense	O
4.0	O
,	O
which	O
launched	O
on	O
newer	O
phones	O
.	O
</s>
<s>
The	O
phone	O
can	O
be	O
upgraded	O
with	O
a	O
custom	B-Application
ROM	I-Application
up	O
to	O
Android	B-Application
7.1.2	O
,	O
but	O
the	O
device	O
is	O
currently	O
considered	O
obsolete	O
and	O
development	O
has	O
ended	O
.	O
</s>
<s>
On	O
September	O
14	O
,	O
2011	O
,	O
HTC	B-Application
released	O
the	O
Extended	O
Edition	O
(	O
XE	O
)	O
of	O
the	O
HTC	B-Application
Sensation	I-Application
in	O
Europe	O
under	O
the	O
name	O
HTC	B-Application
Sensation	I-Application
XE	O
with	O
Beats	O
Audio	O
.	O
</s>
<s>
The	O
Sensation	O
XE	O
had	O
a	O
faster	O
1.5	O
GHz	O
dual-core	O
processor	O
(	O
up	O
from	O
1.2GHz	O
on	O
the	O
stock	O
Sensation	O
)	O
,	O
a	O
larger	O
1730mAh	O
battery	O
,	O
and	O
shipped	O
with	O
Android	B-Application
2.3.4	I-Application
(	O
Gingerbread	B-Application
)	O
OS	O
with	O
HTC	B-Application
Sense	I-Application
3.0	O
.	O
</s>
<s>
On	O
October	O
6	O
,	O
2011	O
,	O
HTC	B-Application
released	O
the	O
Sensation	O
XL	O
with	O
a	O
larger	O
4.7-inch	O
screen	O
running	O
HTC	B-Application
Sense	I-Application
3.5	O
with	O
Beats	O
Audio	O
.	O
</s>
