ZTE Grand X Plus User Manual
Page 170
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170
Problem
Possible causes
Possible solution
You have activated the
Call barring feature.
Disable this feature. See
Cannot
make
outgoing
calls.
You have activated the
Fixed dialing numbers
feature.
Disable this feature. See
PIN Code
blocked
You have entered an
incorrect PIN code three
consecutive times.
Contact your service
provider. If the service
provider provides the
micro-SIM card’s PUK
code, use the PUK code
to unlock the micro-SIM
card.
Uninstall the software
that may cause the
problem.
Upgrade the phone
software.
Phone
crashes,
reboots,
freeze, or
cannot be
powered on
Some third-party
software is not
compatible with your
phone.
Reset the phone to
factory status.
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