Question marked as
User profile for user:
SnickZ.
User level:
Community Specialist
Greetings, RSLEADD.
It appears that you're having a problem updating your iPhone to iOS 14.0.1. You simply get a message that an error occurred installing, and we're glad to help with this.
Update your iPhone, iPad, or iPod touch - Apple Support -- Make sure your iPhone is connected to power, and that it has a strong Wi-Fi connection. Then restart your iPhone and try again. Restart your iPhone - Apple Support. If you still receive the message, you can also use a computer to update your iPhone. Scroll down to "Update your device using your computer" if you've never used this method before.
How to back up your iPhone, iPad, and iPod touch - Apple Support -- Also, it's advised to be sure you have a recent backup before updating.
Take care.