<s>
The	O
HTC	B-Application
Titan	I-Application
(	O
stylized	O
and	O
marketed	O
as	O
uppercase	O
HTC	B-Application
TITAN	I-Application
;	O
also	O
known	O
as	O
the	O
HTC	B-Application
Eternity	I-Application
in	O
China	O
,	O
and	O
HTC	B-Application
Ultimate	I-Application
in	O
Brazil	O
)	O
,	O
is	O
a	O
smartphone	O
running	O
the	O
Windows	B-Protocol
Phone	I-Protocol
OS	I-Protocol
7.5	O
(	O
codename	O
Mango	O
)	O
operating	O
system	O
.	O
</s>
<s>
The	O
phone	O
was	O
designed	O
and	O
manufactured	O
by	O
HTC	B-Application
Corporation	O
.	O
</s>
<s>
It	O
is	O
the	O
successor	O
to	O
the	O
HTC	B-Application
HD7	I-Application
.	O
</s>
<s>
HTC	B-Application
announced	O
the	O
HTC	B-Application
Titan	I-Application
on	O
September	O
1	O
,	O
2011	O
,	O
in	O
London	O
.	O
</s>
<s>
It	O
has	O
a	O
4.7-inch	O
S-LCD	O
screen	O
which	O
was	O
the	O
largest	O
available	O
on	O
any	O
Windows	B-Protocol
Phone	I-Protocol
at	O
the	O
time	O
of	O
its	O
release	O
.	O
</s>
<s>
The	O
HTC	B-Application
Titan	I-Application
also	O
has	O
a	O
1.5GHz	O
processor	O
with	O
512MB	O
RAM	B-Architecture
and	O
16GB	O
internal	O
memory	O
.	O
</s>
<s>
On	O
9	O
January	O
2012	O
,	O
the	O
successor	O
to	O
the	O
Titan	O
,	O
the	O
Titan	O
II	O
,	O
was	O
announced	O
as	O
the	O
first	O
Windows	B-Protocol
Phone	I-Protocol
handset	O
with	O
LTE	O
.	O
</s>
<s>
It	O
has	O
been	O
called	O
the	O
flagship	O
Windows	B-Protocol
phone	I-Protocol
by	O
multiple	O
reviewers	O
.	O
</s>
