Sony W700i - Manual (Page 85)

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85 Troubleshooting
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 .