151
Problem
Possible causes
Possible solution
PIN Code
blocked
You have entered an
incorrect PIN code three
consecutive times.
Contact your service
provider. If the service
provider provides the
micro-UIM
card’s PUK
code, use the PUK code
to unlock the micro-UIM
card.
Phone
crashes,
reboots,
freeze, or
cannot be
powered on
Some third-party
software is not
compatible with your
phone.
Uninstall the software
that may cause the
problem.
Upgrade the phone
software.
Reset the phone to
factory status.
Summary of Contents for Z819L
Page 1: ...1 Z819L User Manual ...
Page 11: ...11 Radio Frequency Interference 165 Explosive Environments 166 Specifications 168 ...
Page 13: ...13 Back Cover Speaker Charging micro USB Jack Headset Jack Back Camera Flash Power Key ...
Page 85: ...85 separate 3 Touch Separate 4 Touch OK to confirm ...
Page 145: ...145 About Phone View important phone information and legal information ...