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 
 
or    , 
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.