Siemens E71 User Manual page 141

Settings
>
Phone settings
Clock
Security
>
Language
Input language
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Key tones
Info tones
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Memory assis.
File system
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Fact. settings
>
Time/date
Time zones
Time format
Date format
Start of week
Buddhist date
Auto time
>
Auto key lock
Direct call
Only
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PIN code
This SIM only
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