Zte Tempo X User Manual page 14

1. Connect the adapter to the charging jack. Ensure that the
adapter is oriented correctly. Do not use force.
2. Connect the charger to a standard AC power outlet. If the
phone is on, you'll see a charging icon, such as
appear in 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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