Huawei Technologies Co. Ltd Y340-U081 Manuale Utente

•   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.

•   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.