iphone 5 connection to itunes
how do I connect my old iphone5 to iTunes
iPhone 5
Connect iPhone to Computer / Mac
Settings > Touch/Face ID & Passcode > USB Accessories > [Enable]
You haven't mentioned whether you have a PC or Mac
Use your USB lightening cable --> Resolve USB-related alerts in iTunes - Apple Support
If unable to connect --> If iTunes doesn't recognize your iPhone, iPad, or iPod - Apple Support
For your Mac --> If your computer doesn't recognize your iPhone, iPad, or iPod ...
For your Windows PC —> Troubleshooting issues with iTunes for Windows - Apple Community
Use genuine cable --> Identify counterfeit or uncertified Lightning connector accessories ...
See how to --> Sync your iPhone, iPad, or iPod using iTunes on your computer ...
If you are experiencing an issue not listed here, contact support