ZTE ZMAX - Manual (Page 152)

150
Problem Possible causes Possible solution
Cannot turn
your phone on Battery power has been
depleted. Recharge the phone’s
battery.
Micro-SIM card
error
Micro-SIM card malfunction
or damage.
Take the micro-SIM
card to your service
provider for testing.
Micro-SIM card inserted
improperly. Insert the micro-SIM
card properly.
Debris on the micro-SIM card
contacts.
Use a soft, dry cloth to
clean the micro-SIM
card contacts.
Unable to
connect to the
network
Micro-SIM card invalid.
Contact your service
provider.
You are not within the
network’s service area.
Check the service
area with your service
provider.
Poor signal.
Move to an open
space, or if you are
inside a building, move
closer to a window.