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Do not use or store the mobile phone in dusty places, lest that active parts of the mobile phone be damaged.
Do not store the mobile phone in a high-temperature place. High temperature will shorten the life of
electronic circuits and damage the battery and some plastic parts.
Do not store the mobile phone in a chilly place. Otherwise, moistures will be formed inside the mobile
phone to damage electronic circuits when the mobile phone is moved to a constant temperature place.
Do not throw, knock or shock the mobile phone, as that will destroy the internal circuits and high-precision
components of the mobile phone.