LG optimus zone 3 User Manual page 11

Step 3. Replace the Back Cover
Place the cover over the back of the phone, then align the back cover over
the battery compartment and press it down until it clicks into place.
Step 4. Charge the Phone
Before turning on your phone, fully charge the battery. Be sure to use the
USB cable and charger adapter that came with your phone. Correctly orient
the USB cable plug before inserting it in the USB/Charging port to avoid
damage to your phone. See Charging Your Phone on pages 12 and 13 for
more information.
NOTE It's important to fully charge the battery before initial use of the phone to maximize the
battery's lifetime.
The Basics
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