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S50 Smartphone User Manual
Operating Environment
Do not use or charge the device in dusty, damp and dirty places, or places with magnetic elds.
Failure to comply with these guidelines 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 1.5cm 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 1.5cm away from
your body to meet the requirements mentioned above.
On a stormy and thundery day, do not use your device whilst it is being charged. This will help
to prevent any danger caused by lightning.
When you are on a call, do not touch the antenna. Touching the antenna affects the quality of
the call and results in an increased consumption of power. As a result, the talk time and the
standby time are reduced.
Whilst using the device, observe the local laws and regulations, and respect the privacy and
legal rights of others.
Ensure the ambient temperature is between 0°C and 40°C whilst the device is being charged.
Ensure the ambient temperature is between –10°C to 55°C when using the device powered by
a battery.
Prevention of Hearing Damage
Using a headset and setting the volume to high 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 the safety of children. Allowing a child to play with
your device or its accessories, which may include parts that can be detached from the device,
may be dangerous, and may present a choking hazard. Ensure that small children are kept
away from the device and accessories.
Accessories
Only choose batteries, chargers, and accessories approved for use with this model by the
device manufacturer. The use of any other 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 socket and the device when not in use.
The battery can be charged and discharged hundreds of times before it eventually wears out.
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.
If battery electrolyte leaks out, ensure that the electrolyte does not come into contact with your
skin or eyes. In the event that the electrolyte does come into contact with your skin, or splashes
into your eyes, wash your eyes with clean water immediately and consult a doctor.
In the even of battery deformation, colour change, or abnormal overheating whilst charging,
stop using the device immediately. Failure to do so may lead to battery leakage, overheating,
explosion, or even re.
