<s>
The	O
HTC	B-Application
Evo	I-Application
Shift	I-Application
4G	I-Application
(	O
trademarked	O
in	O
capitals	O
as	O
EVO	O
Shift	O
4G	B-Architecture
or	O
The	O
Evo	O
Has	O
an	O
Alter	O
Evo	O
)	O
is	O
a	O
smartphone	B-Application
developed	O
by	O
HTC	O
Corporation	O
and	O
marketed	O
as	O
the	O
concurrent/sequel	O
to	O
Sprint	O
's	O
flagship	O
Android	B-Application
smartphone	B-Application
,	O
running	O
on	O
its	O
4G	B-Architecture
WiMAX	O
network	O
.	O
</s>
<s>
The	O
smartphone	B-Application
launched	O
on	O
January	O
9	O
,	O
2011	O
.	O
</s>
<s>
During	O
development	O
,	O
the	O
device	O
was	O
known	O
as	O
the	O
HTC	B-Application
Speedy	I-Application
and	O
HTC	O
Knight	O
or	O
PG06100	O
,	O
which	O
was	O
leaked	O
throughout	O
the	O
internet	O
and	O
was	O
already	O
known	O
as	O
a	O
variant	O
of	O
the	O
HTC	O
EVO	O
with	O
a	O
keyboard	O
.	O
</s>
<s>
The	O
HTC	B-Application
EVO	I-Application
Shift	I-Application
4G	I-Application
features	O
a	O
full	O
size	O
QWERTY	O
keypad	O
and	O
a	O
5-megapixel	O
camera	O
with	O
720p	O
video	O
.	O
</s>
<s>
The	O
EVO	O
Shift	O
has	O
a	O
balanced	O
hardware-software	O
user	B-Application
interface	I-Application
,	O
featuring	O
seven	O
hardware/touch	O
sensitive	O
buttons	O
,	O
four	O
of	O
which	O
are	O
on	O
the	O
front	O
of	O
the	O
device	O
.	O
</s>
<s>
Input	O
and	O
interaction	O
with	O
the	O
device	O
is	O
balanced	O
between	O
the	O
hardware	O
and	O
software	O
user	B-Application
interface	I-Application
and	O
in	O
most	O
situations	O
require	O
users	O
to	O
use	O
hardware/touch	O
sensitive	O
buttons	O
often	O
throughout	O
Android	B-Application
OS	I-Application
.	O
</s>
<s>
Like	O
most	O
Android	B-Application
devices	O
,	O
the	O
EVO	O
features	O
four	O
main	O
touch-sensitive	B-Device
buttons	O
on	O
the	O
front	O
of	O
its	O
device	O
which	O
are	O
the	O
Home	O
,	O
Menu	O
,	O
Back	O
,	O
and	O
Search	O
.	O
</s>
<s>
Unlike	O
most	O
smart-phones	B-Application
,	O
the	O
device	O
has	O
no	O
hardware	O
ringer	O
switch	O
.	O
</s>
<s>
The	O
touchscreen	B-Device
furnishes	O
the	O
remainder	O
of	O
the	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
A	O
proximity	B-Device
sensor	I-Device
deactivates	O
the	O
display	O
and	O
touchscreen	B-Device
when	O
the	O
device	O
is	O
brought	O
near	O
the	O
face	O
during	O
a	O
call	O
.	O
</s>
<s>
The	O
proximity	B-Device
sensor	I-Device
and	O
the	O
accelerometer	O
can	O
also	O
be	O
used	O
to	O
control	O
and/or	O
interact	O
with	O
third	O
party	O
apps	O
,	O
notably	O
games	O
.	O
</s>
<s>
The	O
device	O
also	O
features	O
a	O
GPS	O
chip	O
allowing	O
applications	O
(	O
with	O
user	O
's	O
permissions	O
)	O
to	O
report	O
the	O
devices	O
location	O
allowing	O
for	O
location-based	B-Application
services	I-Application
and	O
can	O
also	O
be	O
useful	O
to	O
turn-by-turn	B-Application
navigation	I-Application
apps	O
.	O
</s>
<s>
The	O
EVO	O
Shift	O
is	O
powered	O
by	O
the	O
Qualcomm	O
MSM7630	O
chipset	O
which	O
contains	O
a	O
Snapdragon	B-Architecture
ARM	O
microprocessor	O
clocked	O
at	O
800MHz	O
and	O
an	O
embedded	O
Adreno	O
205	O
graphics	O
chip	O
capable	O
of	O
up	O
to	O
41	O
million	O
triangles	O
per	O
second	O
.	O
</s>
<s>
It	O
features	O
512MB	O
of	O
eDRAM	O
which	O
allows	O
for	O
a	O
smoother	O
experience	O
with	O
Android	B-Application
OS	I-Application
,	O
applications	O
,	O
and	O
the	O
HTC	B-Application
Sense	I-Application
user	B-Application
interface	I-Application
.	O
</s>
<s>
The	O
Evo	O
Shift	O
4G	B-Architecture
features	O
a	O
rear-facing	O
backside	B-Algorithm
illumination	I-Algorithm
5-megapixel	O
camera	O
capable	O
of	O
recording	O
720p	O
HD	O
videos	O
(	O
H.264	B-Application
video	O
compression	O
)	O
and	O
features	O
an	O
LED	O
flash	O
.	O
</s>
<s>
Like	O
many	O
other	O
Android	B-Application
mobile	I-Application
devices	O
,	O
the	O
HTC	B-Application
EVO	I-Application
Shift	I-Application
4G	I-Application
features	O
a	O
microSD	O
slot	O
in	O
addition	O
to	O
the	O
onboard	O
memory	O
which	O
allows	O
for	O
user-expandable	O
storage	O
.	O
</s>
<s>
With	O
Android	B-Application
version	O
2.2	O
(	O
Froyo	O
)	O
preinstalled	O
,	O
the	O
OS	O
supports	O
applications	O
which	O
permit	O
themselves	O
to	O
be	O
installed	O
on	O
the	O
SD	O
card	O
.	O
</s>
<s>
The	O
microphone	B-Application
is	O
featured	O
on	O
the	O
bottom	O
of	O
the	O
phone	O
which	O
is	O
used	O
for	O
phone	O
calls	O
and	O
voice-commands	O
although	O
it	O
can	O
also	O
be	O
used	O
in	O
many	O
other	O
third-party	O
applications	O
.	O
</s>
<s>
The	O
EVO	O
Shift	O
features	O
a	O
CDMA	B-Protocol
cellular	O
radio	O
that	O
supports	O
3G	O
EVDO	O
,	O
revisions	O
0	O
,	O
A	O
,	O
and	O
the	O
as	O
yet	O
undeployed	O
B	O
allowing	O
faster	O
download	O
and	O
upload	O
speeds	O
,	O
and	O
better	O
power	O
efficiency	O
.	O
</s>
<s>
The	O
device	O
is	O
marketed	O
as	O
a	O
4G	B-Architecture
phone	O
,	O
WiMAX	O
is	O
considered	O
to	O
be	O
a	O
4G	B-Architecture
technology	I-Architecture
based	O
on	O
4G	B-Architecture
standards	O
set	O
by	O
ITU-R	O
.	O
</s>
<s>
The	O
Battery	O
has	O
different	O
notches	O
but	O
are	O
interchangeable	O
with	O
the	O
batteries	O
from	O
the	O
HTC	B-Application
Incredible	I-Application
,	O
HTC	O
Touch	O
Pro	O
2	O
,	O
HTC	B-Application
Hero	I-Application
(	O
CDMA	B-Protocol
)	O
,	O
and	O
HTC	B-Application
EVO	I-Application
4G	I-Application
.	O
</s>
<s>
The	O
device	O
sports	O
the	O
HTC	B-Application
Sense	I-Application
user	B-Application
interface	I-Application
which	O
runs	O
on	O
the	O
Android	B-Application
operating	I-Application
system	I-Application
and	O
presents	O
information	O
through	O
the	O
Android	B-Application
desktop	O
widgets	O
and	O
application	O
,	O
and	O
includes	O
launchers	O
,	O
app	O
drawer	O
,	O
and	O
lock	O
screen	O
replacements	O
.	O
</s>
<s>
The	O
device	O
first	O
came	O
with	O
Android	B-Application
OS	I-Application
2.2	O
"	O
FroYo	O
"	O
.	O
</s>
<s>
The	O
launcher	O
which	O
is	O
located	O
at	O
the	O
bottom	O
of	O
the	O
screen	O
displays	O
icons	O
to	O
open	O
the	O
App	O
Drawer	O
,	O
Phone	O
application	O
,	O
and	O
the	O
ability	O
to	O
add	O
widgets	O
on	O
the	O
Android	B-Application
desktop	O
,	O
and	O
is	O
shown	O
throughout	O
all	O
seven	O
home	O
screen	O
panels	O
.	O
</s>
<s>
Unlike	O
other	O
custom	O
user	B-Application
interfaces	I-Application
for	O
the	O
Android	B-Application
OS	I-Application
like	O
Samsung	O
's	O
TouchWiz	B-Application
UI	I-Application
,	O
HTC	B-Application
Sense	I-Application
does	O
not	O
allow	O
disabling	O
or	O
removing	O
panels	O
.	O
</s>
<s>
Most	O
of	O
the	O
input	O
on	O
the	O
device	O
is	O
given	O
through	O
the	O
touchscreen	B-Device
which	O
understands	O
complex	O
gestures	O
using	O
multi-touch	B-Application
.	O
</s>
<s>
Android	B-Application
's	O
interaction	B-Application
techniques	I-Application
enable	O
users	O
to	O
move	O
up	O
or	O
down	O
by	O
a	O
touch-drag	O
motion	O
of	O
the	O
finger	O
.	O
</s>
<s>
However	O
the	O
buttons	O
on	O
the	O
front	O
of	O
the	O
device	O
will	O
often	O
require	O
use	O
in	O
various	O
applications	O
in	O
Android	B-Application
OS	I-Application
,	O
as	O
the	O
buttons	O
play	O
an	O
important	O
part	O
in	O
the	O
user	B-Application
interface	I-Application
.	O
</s>
<s>
The	O
Sprint	O
HTC	B-Application
Evo	I-Application
Shift	I-Application
4G	I-Application
comes	O
from	O
the	O
factory	O
locked	O
without	O
any	O
root	O
privileges	O
.	O
</s>
<s>
The	O
EVO	O
Shift	O
4G	B-Architecture
has	O
generally	O
been	O
praised	O
by	O
reviewers	O
,	O
especially	O
in	O
regards	O
to	O
its	O
processing	O
speed	O
,	O
screen	O
quality	O
,	O
and	O
pricing	O
.	O
</s>
<s>
The	O
device	O
clock	O
is	O
15	O
seconds	O
faster	O
than	O
UTC	O
,	O
either	O
with	O
Android	B-Application
2.1	O
or	O
2.2	O
;	O
a	O
manual	O
clock	O
setting	O
does	O
not	O
override	O
seconds	O
,	O
and	O
root	O
authority	O
would	O
be	O
needed	O
to	O
overcome	O
issue	O
using	O
ntp	O
software	O
.	O
</s>
<s>
The	O
15-second	O
offset	O
hints	O
the	O
number	O
of	O
leap	O
seconds	O
introduced	O
since	O
GPS	O
inception	O
in	O
1980	O
rather	O
than	O
an	O
epoch	B-Operating_System
issue	O
and	O
has	O
been	O
reported	O
as	O
an	O
Android	B-Application
bug	O
on	O
Dec	O
16	O
,	O
2009	O
.	O
</s>
<s>
The	O
EVO	O
Shift	O
's	O
design	O
is	O
derived	O
from	O
its	O
brothers	O
,	O
the	O
T-Mobile	B-Application
G2	I-Application
,	O
HTC	O
Evo	O
,	O
and	O
HTC	B-Application
Hero	I-Application
.	O
</s>
<s>
Another	O
feature	O
is	O
Android-specific	O
buttons	O
.	O
</s>
