Zte Z933W User Manual page 6

Charging the battery
The battery is not fully charged when you unpack it for the first
time. Please exhaust the capacity of the battery before you
recharge it for the first time. To ensure the battery is always in
its best condition, please charge the
battery 8 hours for the first time and
recharge it later at least 2 hours each
time.
Connect the charger to the phone,
1.
and insert the charger to the
standard power socket.
Please disconnect the charger from
2.
the power socket after the charging
is completed.
Tips:
 To charge the battery, you can also connect the phone to
the PC through the USB cable.
 During charging, the phone and charger may normally
become hot.
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