ZTE Z730 Guide De Démarrage page 15

2. Connect the charger to a standard AC
power outlet.
3. Disconnect the charger when the battery
is fully charged.
NOTE:
If the battery is extremely low, you may be
unable to power on the phone even when it
is being charged. In this case, try again after
charging the phone for at least 10 minutes.
Contact customer service if you still cannot
power on the phone after prolonged charg-
ing.
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