Cleaning And Maintenance - Huawei GR3 User Manual

Do not allow children or pets to bite or suck the battery. Doing so may result in damage or

explosion.
Do not smash or pierce the battery, or expose it to high external pressure. Doing so may

lead to a short circuit or overheating.
Do not drop the device or battery. If the device or battery is dropped, especially on a hard

surface, and may be damaged.
If the device standby time shortens significantly, replace the battery.

The device has a built-in, non-removable battery. Do not attempt to remove the battery,

otherwise the device may be damaged. To replace the battery, take the device to an
authorized service center.

Cleaning and maintenance

Keep the device and accessories dry. Do not attempt to dry it with an external heat source,

such as a microwave oven or hair dryer.
Do not expose your device or accessories to extreme heat or cold. These environments

may interfere with proper function and may lead to fire or explosion.
Avoid collision, which may lead to device malfunctions, overheating, fire, or explosion.

Before you clean or maintain the device, stop using it, stop all applications, and disconnect

all cables connected to it.
Do not use any chemical detergent, powder, or other chemical agents (such as alcohol and

benzene) to clean the device or accessories. These substances may cause damage to parts
or present a fire hazard. Use a clean, soft, and dry cloth to clean the device and
accessories.
Do not place magnetic stripe cards, such as credit cards and phone cards, near the device

for extended periods of time. Otherwise the magnetic stripe cards may be damaged.
Do not dismantle or remanufacture the device and its accessories. This voids the warranty

and releases the manufacturer from liability for damage. In case of damage, contact an
authorized service center for assistance or repair.
If the device screen is broken in a collision, immediately stop using the device. Do not

touch or attempt to remove the broken parts. Promptly contact an authorized service
center.
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