Zte A15 User Manual page 23

Plug the travel charger connector into your phone with the arrow facing up. Then
plug the other end of the travel charger into the appropriate electrical outlet.
If the battery is charged in power-on condition, the charging animated indicator bar
starts scrolling at the top right of the screen. If the battery is charged in power-off
condition, the screen will display a charging indicator that indicates the phone is
charging. If the phone is not used for a long time or the battery is completely flat, it
may take a few minutes before this indicator appears.
When the battery level indictor changes from charging symbol to full level indicator,
it means charging has been finished. 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:
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