Maxcom MM720BB, Руководство по эксплуатации

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Do not keep the phone in places with too high
temperature. It may adversely impact the battery and the
phone itself.
Never use a battery with visible damages. It may result in
short-circuit and may damage the phone. The battery
should be inserted in accordance with the polarization.
Leaving the battery in places with too high or too low
temperature decreases its service life. The battery should
be stored at the temperature from 15°C to 25°C. If a cold
battery is inserted into the phone, the phone may not
operate correctly and there is a risk of damage.
The set contains one Li-ion battery. Used
batteries are harmful to the environment.
They should be disposed in a facility
specially designed for this purpose, in a
suitable container, in accordance with valid
regulations. The battery and accumulators cannot be
thrown out with municipal waste, they should be
transferred to a collection point.
DO
NOT THROW THE BATTERIES NOR
ACCUMULATORS INTO FIRE!