Zte Z957 User Manual page 9

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.
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.
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
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