Zte A1P User Manual page 16

CAUTION:
Do not change the built-in rechargeable battery in your phone by
yourself. The battery can only be changed by ZTE or ZTE
authorized service provider.
1. Connect the adapter to the charging jack. Ensure that the
adapter is inserted with the correct orientation. Do not force
the connector into the charging jack.
2. Connect the charger to a standard AC power outlet. If the
phone is on, you'll see a charging icon, such as
appear on the status bar.
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 20 minutes. Contact
customer service if you still cannot power on the phone after
prolonged charging.
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