But you will just screw the coaxial cable into that slot. If your TV has a built-in digital tuner, it will have a USB-C port in the back of it. If it doesn't, there won't be a port for you to plug it ...
To restore your new phone, open Finder or iTunes, and connect your phone to your computer. Click Trust when prompted, and then follow the prompts, selecting the backup you just created as what you ...