Users Manual

Common faults and

troubleshooting

The following table contains common faults and their solutions.

Please read it carefully.

Unable to turn on the device Low or no electricity Connect the adapter to charge.

Shut down automatically after

running for a while

Insufficient electric quantity Connect the adapter to charge.

No sound

Is the connection correct? Is the

volume turned on?

Select the correct sound source

input; adjust the device

Unable to work with USB

Is there any mistake in using the

USB cable?

Please use the original USB ca

ble

to make a call.

Unable to work with AUX

Is there any mistake in using the

AUX cable?

Please use the original AUX cable

(4 sections) to make a call.

Invalid key

The key may be accidentally

touched.

Long press and hold the power

button for 8seconds to reset the

system.

Unable to charge the device

The charging device is in fault or the

battery is already

Fault Possible Cause Solution

full.

Replace it with a charging device

with normal functions.