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85Troubleshooting
Solution
: Enter the phone lock code.
Your phone comes with the default
phone lock code 0000. You can
change it to any four- to eight-digit
code.
%
78 Phone lock.
PUK blocked
Possible cause
: You entered your
personal unblocking key code (PUK)
incorrectly 10 times in a row.
Solution
: Contact your network
operator.
Charging, alien battery
Possible cause
: The battery that you
are using is not a Sony Ericsson
approved battery.
Solution
: %
88 Guidelines for Safe and
Efficient Use
.