Zte 901ZT Quick Start Manual page 6

or cause the battery to explode.

WARNING!
Do not remove the back cover. The battery is not
removable. Removal may cause fire or explosion.
1. Connect the adapter to the charging jack.
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
the customer service if you still cannot power on the phone
after prolonged charging.
NOTE:
If the screen freezes or takes too long to respond, try pressing
and holding the Power key for about 10 seconds to restart the
phone.
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