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Apple iPhone 7 Plus
Back to Settings & software updates
Set date and time
It's important that the date and time are correctly set as some phone functions may not work. In most cases date and time are automatically set, but you can also set them manually.
1. Find "Date & Time"
Press Settings.
Press General.
Press Date & Time.
2. Activate automatic time zone, date and time update
Press the indicator next to "Set Automatically" until the function is activated.
3. Return to the Home screen
Press the Home key to end the session and return to the Home screen.