Sony Ericsson K200i - Manual (Page 55)

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Q: What is my phone lock code?
A: The default phone lock code is 0000.
A phone lock protects your phone against unauthorized
use. If a different SIM card is inserted in the phone, the
phone lock code has to be entered.
1 From standby select Menu
}
Settings
}
Advanced
}
Security
}
Phone lock
}
Change code .
2 Enter the old code and select OK .
To turn the phone lock code on or off
1 Enter the new code and select OK .
2 Repeat the new code and select OK .
3 Select Protection and then select On .
4 Enter your phone lock code and select OK .
Q: How do I turn on and off T9 text input when
writing a text message?
A: Press and hold when entering text.
You will see “T9” at the top of the text message
when T9 is activated.
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