18
8
8
.
.
C
C
o
o
m
m
m
m
o
o
n
n
p
p
r
r
o
o
b
b
l
l
e
e
m
m
s
s
a
a
n
n
d
d
s
s
o
o
l
l
u
u
t
t
i
i
o
o
n
n
s
s
The device cannot be turned on
1：Ensure that the device has sufficient battery power.
2：Connect to the power adaptor and try powering on, again.
After turning on, the device displays the main page but then powers off
1：The device is low on battery. Charge and try again.
There is no sound from the headphones
1：Make sure that the volume setting is not set to “0.”
2：Check whether the audio file is damaged by playing a different audio file. If the audio file is
damaged, it may produce loud noises or skips
File or music cannot be copied
1：Check whether the PC and the tablet are properly connected.
2：Check whether there is sufficient internal storage capacity.
3：Check whether the USB cord is damaged.
Restoring default factory settings
You can click the “restore default factory systems” button on the “backup and reset interface.”
This will erase all current data.
(Note: Please perform restoration when phone is fully charged and not connected to the power
adapter.)
