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B15Q Smartphone User Manual
Operating Environment
Do not use or charge the device in dusty, damp, and dirty places or places with magnetic elds.
Otherwise, it may result in a malfunction of the circuit.
The device complies with the RF specications when the device is used near your ear or at a
distance of 1.5 cm from your body. Ensure that the device accessories such as a device case
and a device holster are not composed of metal components. Keep your device 1.5 cm away
from your body to meet the requirement earlier mentioned.
On a stormy day with thunder, do not use your device when it is being charged, to prevent any
danger caused by lightning.
When you are on a call, do not touch the antenna. Touching the antenna affects the call quality
and results in increase in power consumption. As a result, the talk time and the standby time
are reduced.
While using the device, observe the local laws and regulations, and respect others’ privacy and
legal rights.
Keep the ambient temperature between 0°C and 40°C while the device is being charged. Keep
the ambient temperature between –10°C to 55°C for using the device powered by a battery.
Prevention of Hearing Damage
Using a headset at high volume can damage your hearing. To reduce the risk of damage to
hearing, lower the headset volume to a safe and comfortable level.
Safety of Children
Comply with all precautions with regard to children’s safety. Letting a child play with your
device or its accessories, which may include parts that can be detached from the device, may
be dangerous, as it may present a choking hazard. Ensure that small children are kept away
from the device and accessories.
Accessories
Choose only batteries, chargers, and accessories approved for use with this model by the
device manufacturer. The use of any other type of battery, charger, or accessory may invalidate
any warranty for the device, may be in violation of local rules or laws, and may be dangerous.
Please contact your dealer for information about the availability of approved batteries,
chargers, and accessories in your area.
Battery and Charger
Unplug the charger from the electrical plug and the device when not in use.
The battery can be charged and discharged hundreds of times before it eventually wears out.
When the standby time and the talk time are shorter than the normal time, replace the battery.
Use the AC power supply dened in the specications of the charger. An improper power
voltage may cause a re or a malfunction of the charger.
Do not connect two poles of the battery with conductors, such as metal materials, keys, or
jewelries. Otherwise, the battery may be short-circuited and may cause injuries and burns on
your body.
If battery electrolyte leaks out, ensure that the electrolyte does not touch your skin and eyes.
When the electrolyte touches your skin or splashes into your eyes, wash your eyes with clean
water immediately and consult a doctor.
