Huawei CM70-C Quick Start Manual page 7

● Use the device at temperatures between 0°C and +45°C, and store the device and its
accessories at temperatures between –20°C and +60°C. Extreme heat or cold may
damage the device.
● Do not place the device in places that are easily exposed to direct sunlight such as on
a car's dashboard or on a window sill.
● Do not place the device near exposed heat or ignition sources (such as heaters,
microwaves, ovens, stove fire, candles, and so on).
● Do not place sharp metal objects, such as large pins, near the receiver or speaker of
the device. Otherwise, metal objects may be attached, which may cause damage to
you.
● The device and its accessories may contain small components. Keep the device and its
accessories out of the reach of children. Otherwise, children may damage the device
and its accessories by mistake, or swallow the small components, which may result in
hazards such as choking.
● The device is not a toy, and children should only use it under adult supervision.
● You can only use device manufacturer-approved accessories for this model number.
The use of other accessories may void the device warranty, lead to injury, or violate the
related regulations of the country where the device is located. Contact an authorized
Huawei Customer Service Center to obtain approved accessories.
● Connecting the device to non-approved or incompatible power supplies, chargers, or
batteries is not advised as this may cause fires or explosions.
● Do not disassemble or modify the device, insert foreign objects, or submerge in water
or other liquids to prevent leakage, overheating, fires, or explosions.
● Do not drop, squeeze, or puncture the battery. Avoid applying external pressure to the
battery as this may cause its electronic circuitry to short or overheat.
● The device is equipped with a non-removable internal battery. Do not attempt to
replace the battery yourself to avoid damaging the battery or device or causing fires
and explosions. The battery should only be replaced by professional personnel at an
authorized Huawei Customer Service Center.
● Ensure that the device and its accessories are dry. Do not attempt to dry the device
using an external heating device such as a microwave oven or hair dryer.
● Avoid placing the device or its accessories in environments that are too hot or cold as
this may cause device malfunctions or even explosions.
● Stop using the device, close all apps, and disconnect all connected devices before
cleaning and performing maintenance on the device.
● Do not use strong chemicals, cleaning agents, or strong detergents to clean the device
and its accessories. Instead, only clean the device and its accessories using a clean,
soft, and dry cloth.
● Do not place magnetic stripe cards (such as bank cards or phone cards) near the
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