Go to Settings & Privacy → Visibility → Blocking, enter your password, and tap Unblock next to the person’s name.
Note: You’ll need to wait 48 hours to block them again, and you must send a new connection request if you want to reconnect.
To unblock someone on LinkedIn, go to Settings & Privacy, select Visibility, then Blocking. Enter your LinkedIn password, find the blocked profile, and click Unblock. Note that you can only unblock the same person after 48 hours.
You need to do this from LinkedIn settings, not the profile. Go to Settings & Privacy → Visibility → Blocking. You’ll see a list of blocked users there. Enter your LinkedIn password and unblock them. It only works on desktop for me.
To unblock someone on LinkedIn, go to Settings & Privacy > Visibility > Blocking, enter your LinkedIn password, and remove the person from your blocked list.
To unblock someone on LinkedIn, go to Settings & Privacy, select Visibility, open Blocking, enter your LinkedIn password, and then remove the person from your blocked list.