<s>
The	O
Acer	B-Application
beTouch	I-Application
E400	I-Application
is	O
a	O
smartphone	B-Application
manufactured	O
by	O
Acer	O
Inc	O
.	O
of	O
Taiwan	O
.	O
</s>
<s>
With	O
this	O
smartphone	B-Application
the	O
company	O
opted	O
to	O
go	O
Android	B-Application
2.1	O
( Éclair	O
)	O
and	O
abandon	O
the	O
Windows	B-Operating_System
Mobile	I-Operating_System
6.5	O
used	O
in	O
the	O
first	O
beTouch	O
smartphones	B-Application
released	O
starting	O
October	O
2009	O
.	O
</s>
<s>
The	O
Acer	B-Application
beTouch	I-Application
E400	I-Application
was	O
officially	O
announced	O
at	O
the	O
Mobile	O
World	O
Congress	O
in	O
February	O
2010	O
.	O
</s>
<s>
The	O
E400	O
is	O
powered	O
by	O
the	O
600MHz	O
Qualcomm	O
QSX	O
7227	O
CPU	O
and	O
runs	O
the	O
older	O
Android	B-Application
2.1	O
Eclair	O
.	O
</s>
<s>
This	O
phone	O
is	O
also	O
able	O
to	O
record	O
video	O
and	O
upload	O
it	O
to	O
YouTube	B-General_Concept
.	I-General_Concept
</s>
<s>
It	O
supports	O
Native	O
Microsoft	B-Operating_System
Exchange	I-Operating_System
Server	I-Operating_System
and	O
a	O
Shareware	O
"	O
Documents	O
To	O
Go	O
"	O
application	O
that	O
can	O
edit	O
and	O
create	O
Microsoft	O
Word	O
documents	O
,	O
Excel	O
and	O
PowerPoint	O
and	O
Adobe	O
PDF	O
.	O
</s>
