If you did this update OTA, on the phone itself, it is possible something went wrong. It may be in your best interest to do the restore from backup with iTunes later today. You should have made a backup before updating, and one is always made when updating from iTunes. I'm not sure about iCloud backups, since I don't use them, nor do I update via the device. Since the reset didn't work, and you don't seem to be connecting to the internet, you can try resetting the network settings to see if that clears things. Go to Settings>General>Reset>Reset Network Settings. That will also delete any wi-fi passwords, and you will have to add them back again after joining wi-fi networks.