LG K4 LTE User Manual page 11

Step 3. Replace the Back Cover
Align the cover over the back of the phone, and then press down along the
edges to secure it.
Step 4. Charge the Phone
Fully charge your phone before turning it on.
Plug the small end of the USB cable into the USB/charger port on your
phone. Plug the other end into the charger and plug the charger into an
outlet.
WARNING! Only use approved chargers with your device. Incompatible chargers or tampering
with the charging port could damage your device and void the warranty.
The Basics
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