ZTE Corporation EUFI891 Manuale Utente

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  Some electronic devices may be susceptible to electromagnetic interference. Locate the 

device away from TV set, radio and other electronic equipment to avoid electromagnetic 
interference. 

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  The device may interfere with medical devices like hearing aids and pacemakers. Consult a 

physician or the manufacturer of the medical device before using the device. 

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  Please keep yourself at least 20 centimeters away from the device. 

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  Do not use your device in dangerous environments such as oil terminals or chemical 

factories where there are explosive gases or explosive products being processed. 

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  Please use original accessories or accessories that are authorized by ZTE. Unauthorized 

accessories may affect the device performance, damage the device or cause danger to you. 

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  Do not attempt to dismantle the device. There are no user serviceable parts. 

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  Do not allow the device or accessories to come into contact with liquid or moisture at any 

time. Do not immerse the device in any liquid. 

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  Do not place objects on top of the device. This may lead to overheating of the device. 

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  The device must be used in ventilated environment. 

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  Do not expose the device to direct sunlight or store it in hot areas. High temperature can 

shorten the life of electronic devices. 

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  Do not allow children to play with the device or charger. 

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  Use an antistatic cloth to clean the device. Do not use chemical or abrasive cleanser as these 

could damage the plastic case. Turn off your device before you clean it. 

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  Use the device within the temperature range of -10 °C ~ +35 °C, and the storage temperature 

range is -20 °C ~ +60 °C. The humidity range is 5%~90%.   

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  Do not use your device during a thunderstorm. Remove the charger from the mains socket. 

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  Do not take out your SIM card unnecessarily. The SIM card may be easily lost or it can be 

damaged by static electricity. 

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  Do not place the device alongside computer disks, credit cards, travel cards or other 

magnetic media.    The information contained on the disks or cards may be affected by the 
device. 

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  Do not paint the device. 

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  Do not remove the device battery while the device is switched on. 

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  Take care not to allow metal objects, such as coins or key rings, to contact or short circuit the 

battery terminals. 

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  Do not dispose of batteries in fire. The device’s Li-ION batteries may be safely disposed of 

at a Li-ION recycling point. Follow local requirements for recycling. 

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  Do not put the device’s battery in your mouth, as battery electrolytes are toxic. 

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  Do not modify or remanufacture, attempt to insert foreign objects into the battery, immerse 

or expose to water or other liquids, expose to fire, explosion or other hazard. 

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  Only use the battery for the system for which it is specified. 

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  Only use the battery with a charging system that has been qualified with the system per this 

standard. Use of an unqualified battery or charger may present a risk of fire, explosion, 
leakage, or other hazard. 

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  Do not short circuit a battery or allow metallic conductive objects to contact battery 

terminals. 

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  Replace the battery only with another battery that has been qualified with the system per this