Zte Blade S6 User Manual page 135

Problem Possible causes
You have activated the
Fixed dial numbers
feature.
PIN Code You have entered an
blocked incorrect PIN code three
consecutive times.
The phonebook‟s
Unable to
enter memory is already full.
information
into the
phonebook
Phone Some third-party
crashes, software is not
reboots, compatible with your
Possible solution
Touch the Home Key >
>
Call Settings > Fixed
Dialing Numbers and
disable it.
Contact your service
provider. If the service
provider provides the
nano-SIM card‟s PUK
code, use the PUK code
to unlock the nano-SIM
card.
Delete unnecessary
data from the contacts.
Reset the phone to
factory status.
135
> Settings >