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If you are not prompted for your password, try restarting your phone. You can also search for information about changing the password on your device at your service provider's site (for example, at http://www.apple.com/support/ or http://www.verizonwireless.com/support/).
I am planning to go on a trip. How do I ensure that my phone's email service is not interrupted due to my device password changing?
We cannot extend the 90 day deadline for device password changes. However, you can reset your device password early to ensure uninterrupted service while you are away. Before your trip, simply visit the self-service site to check when your device password expires. If it will expire during your trip, click Generate a new device password to expire your current password immediately and generate a new one. This new password will expire in 90 days. Enter the new password into your phone and you will be able to enjoy uninterrupted service while you are away.
Changing your Device Password on an Apple Device
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