Charging The Phone; Powering On/Off - Zte Optus X Start 4 User Manual

4. Replace the back cover.

Charging the Phone

Your phone's battery should have enough power for the
phone to turn on, find a signal, and make a few calls. You
should fully charge the battery as soon as possible.
WARNING!
Use only ZTE-approved chargers and USB cables. The use
of unapproved accessories could damage your phone or
cause the battery to explode.
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 the customer service if you still cannot power on the
phone after prolonged charging.

Powering On/Off

 Press and hold the Power key to turn on your phone.
 To switch it off, hold the Power key to open the options
menu and touch Power Off > Touch to power off.
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