1, it is recommended to check whether the charger and data cable are plugged tightly, the three virtual keys at the bottom will light up when charging, and the lock screen interface will be replaced with the charging interface, if not, the charger and data cable are broken.
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2, if the mobile phone electricity is too dry, the charging bank is not rushed into the electricity, it is recommended to use the power directly.
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3, if the ambient temperature of the mobile phone is too low, the mobile phone is turned on the low temperature protection mode is not charged, it is recommended to charge in the normal temperature.