Apple today released iOS 14.0.1 which includes bug fixes for the iPhone.
Resolves an issue that could cause browser and email default settings to be reset after iPhone restart
Resolves an issue that could prevent camera previews from appearing on iPhone 7 and iPhone 7 Plus
Resolves an issue that could prevent iPhone from connecting to Wi-Fi networks
Resolves an issue that may prevent e-mail from being sent to some e-mail providers
Resolves an issue that could prevent images from appearing in the News module
For information about the security content of Apple Software Updates, visit this Web site: https://support.apple.com/kb/HT201222
iOS 14.0.1 is available now via General> Software Update on your compatible iPhone or iPod touch.