Date and time
You can change the date and time on your device.
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Find and tap [Settings] > [System] > [Date & time].You may find the item under [Advanced].
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To set the date or time manually, tap the [Use network-provided time] switch to disable the function.To set the time zone manually, tap the [Use network-provided time zone] switch to disable the function.
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Tap the desired item to edit and change the values.