My iPhone turned off during the newest update

Hi,

It is normal for your iPhone to restart when installing a new update; it should reboot on the Apple logo during this process. If it didn’t, or if it hasn't rebooted at all, I would force restart:

1. Press and quickly release the volume up button.
2. Press and quickly release the volume down button.
3. Press and hold the power button until you see the Apple logo appear.

• Force restart iPhone
• If you can't update or restore your iPhone or iPod touch
• If you see an error when you update or restore your iPhone, iPad, or iPod

Will it turn on again? If so then let it finish.

If it will not turn on Start here

Phone will not turn on or frozen