Syncing my phone to laptop

LHGBOYD wrote:

No. I did initially and hit sync. But it didn't sync and the icon in the sidebar disappeared and I couldn't get it back

Verify your software is up to date on both the macOS and the iOS.

Update iOS on iPhone - Apple Support

Keep your Mac up to date - Apple Support

reboot the computer if necessary and try again.

LHGBOYD wrote:

I just updated my MacBook pro to Big Sur 11.6 and now I can't sync my iPhone 12 pro through finder

Do you see it in the Finder sidebar?

Sync iPhone with your computer - Apple Support