Zte MF645, Руководство пользователя

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Note : If you enable the PIN code, you need to enter your PIN code every time
before you start to use your MF645.
2.Change the PIN code
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Make sure to enable the PIN code.
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Click Change PIN button.
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Enter the old PIN code.
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Enter the new PIN code twice.
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Click OK .
3. Backup Phonebook and SMS
You can backup your Phonebook and SMS manually into the PC side.
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Click Backup button.
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Select the backup location in your PC.
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Click Save .
If you want to update your Phonebook and SMS, you can click Resume .