76
Problem
Possible causes
Possible solution
Cannot turn
your phone
on
Battery power has been
depleted.
Recharge the phone’s
battery.
(U)SIM card
error
(U)SIM card malfunction
or damage.
Take the (U)SIM card to
your service provider for
testing.
(U)SIM card inserted
improperly.
Insert the (U)SIM card
properly.
Debris on the (U)SIM
card contacts.
Use a soft, dry cloth to
clean the (U)SIM card
contacts.
Unable to
connect to
the network
(U)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.
Summary of Contents for Open
Page 1: ...1 ZTE Open WCDMA GSM Mobile Phone User Manual ...
Page 10: ...10 Getting Started Getting to Know Your Phone Earpiece Touch Screen Home Key ...
Page 11: ...11 Headset Jack Speaker Volume Key Charging USB Jack Power Key Back Camera Back Cover ...
Page 20: ...20 ...
Page 72: ...72 Help Touch Help from Settings to get help on how to use the device ...