Blu Dash M - Lock and Unlock the Screen

9
L
L
o
o
c
c
k
k
a
a
n
n
d
d
U
U
n
n
l
l
o
o
c
c
k
k
t
t
h
h
e
e
S
S
c
c
r
r
e
e
e
e
n
n
Press power button to enter Sleep mode and meanwhile the screen will be locked; press power
button again to wake up and then drag the lock to upwards to unlock.