Operating Environment - Huawei G5521 User Manual

Keep the battery away from excessive heat and direct sunlight.

Do not place it on or in heating devices, such as microwave ovens,
stoves, or radiators. Batteries may explode if overheated.
If the battery leaks, ensure that the electrolyte does not make

direct contact with your skins or eyes. If the electrolyte touches
your skins or splashes into your eyes, immediately flush with clean
water and consult a doctor.
In case of battery deformation, color change, or overheating

while charging or storing, immediately stop using the device and
remove the battery. Continued use may lead to battery leakage,
fire, or explosion.
Do not put batteries in fire as they may explode. Damaged

batteries may also explode.
Do not drop the device or battery. If the device or battery is

dropped, especially on a hard surface, and may be damaged,
take it to an authorized service center for inspection.
Improper battery use may lead to fire, explosion, or other

hazards.
Dispose of used batteries in accordance with local regulations.

Do not smash or pierce the battery, or expose it to high external

pressure. Doing so may lead to a short circuit or overheating.
If the device standby and talk time shortens significantly, replace

the battery.

Operating environment

Avoid dusty, damp, or dirty environments. Avoid magnetic fields.

Using or charging your device in these environments may result in
circuit malfunctions.
Do not use your device during thunderstorms to protect your

device against any danger caused by lightning.
Observe local laws and regulations, and respect the privacy and

legal rights of others.
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