Zte A12 User Manual page 22

charger is red during charging.
When the battery level indictor changes from charging symbol to full level indicator,
it means charging has been finished. When charging finished, the indicator light on
the charger turns green. Generally the whole charge process needs 2~3 hours
(Please charge the battery for 6~8 hours for the first three times). During the
charge process, your phone, battery and charger may become hot, and this is a
normal phenomenon.
Please disconnect the charger with the phone and the power outlet when charging
finished.
Warning:
Please put the phone at the ventilated place with temperature between ＋5℃~＋
40 ℃ . Please use charger approved by the phone manufacturer. Using
unauthorized charger may cause danger and violate the authorization and
warranty rules applying to the phone.
Please charge the battery in time when your phone is automatically switched off or
displays a warning "battery is low".
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