I
I
N
N
S
S
T
T
A
A
L
L
L
L
A
A
T
T
I
I
O
O
N
N
P
P
R
R
O
O
C
C
E
E
D
D
U
U
R
R
E
E
F
F
O
O
R
R
M
M
A
A
C
C
O
O
S
S
1.
Connect the EC121 to the USB port of the PC.
2.
Install EC121 Dialer & Driver
Insert the EC121 device into computer
3.
Double click icon of “Mobile Partner”,
Click “Continue” to start the installation.