<s>
The	O
HTC	B-Application
EVO	I-Application
Design	I-Application
4G	I-Application
(	O
also	O
known	O
as	O
the	O
HTC	B-Application
Hero	I-Application
S	I-Application
on	O
US	O
Cellular	O
and	O
CSpire	O
)	O
is	O
an	O
Android	B-Application
powered	O
smartphone	B-Application
released	O
by	O
Sprint	O
Nextel	O
on	O
October	O
23	O
,	O
2011	O
and	O
by	O
Boost	O
Mobile	O
on	O
May	O
30	O
,	O
2012	O
.	O
</s>
<s>
It	O
is	O
the	O
fourth	O
HTC	B-Application
phone	O
in	O
their	O
EVO	O
line	O
.	O
</s>
<s>
Notable	O
features	O
include	O
a	O
qHD	O
display	O
,	O
an	O
aluminum	O
semi-monocoque	O
form	O
,	O
world	O
phone	O
connectivity	O
(	O
multi-band	O
)	O
,	O
and	O
a	O
smaller	O
overall	O
size	O
compared	O
to	O
most	O
Android	B-Application
phones	I-Application
.	O
</s>
<s>
The	O
single-core	O
processor	B-Architecture
and	O
questionable	O
battery	O
life	O
have	O
left	O
the	O
phone	O
with	O
a	O
mixed	O
reception	O
.	O
</s>
<s>
The	O
EVO	O
Design	O
4G	B-Architecture
is	O
also	O
Sprint	O
's	O
last	O
4G	B-Architecture
phone	O
utilizing	O
its	O
WiMAX	O
network	O
.	O
</s>
<s>
On	O
May	O
30	O
,	O
2012	O
,	O
Boost	O
Mobile	O
released	O
the	O
EVO	O
Design	O
4G	B-Architecture
as	O
a	O
pre-paid	O
phone	O
,	O
shipping	O
with	O
Android	B-Application
4.0	O
and	O
Sense	O
3.6	O
pre-installed	O
,	O
an	O
update	O
that	O
later	O
became	O
available	O
for	O
the	O
Sprint	O
version	O
.	O
</s>
<s>
The	O
HTC	B-Application
EVO	I-Application
Design	I-Application
4G	I-Application
exterior	O
consists	O
of	O
a	O
glass	O
screen	O
with	O
an	O
aluminum	O
bezel	O
.	O
</s>
<s>
The	O
phone	O
initially	O
came	O
with	O
Android	B-Application
2.3.4	O
(	O
Gingerbread	O
)	O
installed	O
.	O
</s>
<s>
A	O
future	O
upgrade	O
to	O
Android	B-Application
4.0	O
(	O
Ice	O
Cream	O
Sandwich	O
)	O
was	O
announced	O
by	O
HTC	B-Application
in	O
March	O
2012	O
.	O
</s>
<s>
The	O
phone	O
received	O
the	O
upgrade	O
to	O
Android	B-Application
version	O
4.03	O
in	O
July	O
2012	O
.	O
</s>
<s>
The	O
stock	O
Android	B-Application
operating	I-Application
system	I-Application
was	O
initially	O
layered	O
with	O
HTC	B-Application
Sense	I-Application
version	O
3.0	O
,	O
which	O
is	O
software	O
that	O
visually	O
changes	O
the	O
user	O
experience	O
.	O
</s>
<s>
The	O
upgrade	O
to	O
Android	B-Application
4.03	O
also	O
updated	O
HTC	B-Application
Sense	I-Application
to	O
version	O
3.6	O
.	O
</s>
