user manual

Do not leave your device, battery, and charger in a place with an
extreme high or low temperature. Otherwise, they may not
function properly and may lead to a fire or an explosion. When
the temperature is lower than 0°C, performance of the battery is
affected.
Do not place sharp metal objects such as pins near the earpiece.
The earpiece may attract these objects and hurt you when you
are using the device.
Before you clean or maintain the device, power off the device
and disconnect it from the charger.
Do not use any chemical detergent, powder, or other chemical
agents (such as alcohol and benzene) to clean the device and
the charger. Otherwise, parts of the device may be damaged or
a fire can be caused. You can clean the device and the charger
with a piece of damp and soft antistatic cloth.
Do not dismantle the device or accessories. Otherwise, the
warranty on the device and accessories is invalid and the
manufacturer is not liable to pay for the damage.
If the device screen is broken by colliding with hard objects, do
not touch or try to remove the broken part. In this case, stop using
the device immediately, and then contact an authorized service
center in time.
Emergency Call
You can use your device for emergency calls in the service area. The
connection, however, cannot be guaranteed in all conditions. You
should not rely solely on the device for essential communications.
Certification Information (SAR)
This device meets guidelines for exposure to radio waves.
Your device is a low-power radio transmitter and receiver. As
recommended by international guidelines, the device is designed not
to exceed the limits for exposure to radio waves. These guidelines
were developed by the independent scientific organization
International Commission on Non-Ionizing Radiation Protection