Huawei F615 - Battery Safety; Cleaning and Maintenance

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disconnect the charger.
 Do not touch the device or the charger with wet hands. Doing so may lead to
short circuits, malfunctions, or electric shocks.
 If your charger has been exposed to water, other liquids, or excessive moisture,
take it to an authorized service center for inspection.
 Ensure that the charger meets the requirements of Clause 2.5 in IEC60950-
1/EN60950-1 and has been tested and approved according to national or local
standards.
 Connect the device only to products with the USB-IF logo or with USB-IF
compliance program completion.
Battery safety
 Do not connect battery poles with conductors, such as keys, jewelry, or other
metal materials. Doing so may short-circuit the battery and cause injuries or
burns.
 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.
 Do not attempt to modify or remanufacture the battery, insert foreign objects
into it, or immerse or expose it to water or other liquids. Doing so may lead to
fire, explosion, or other hazards.
 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.
 Dispose of used batteries in accordance with local regulations. Improper
battery use may lead to fire, explosion, or other hazards.
 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.
Cleaning and maintenance
 During storage, transportation, and operation of the device, keep it dry and
protect it from collision.
 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.