Open LinkedIn This allows you to access LinkedIn's proprietary URL scheme. You can also insert your contacts' address books entries into LinkedIn's contact sync.
You can easily access the LinkedIn profile of your contacts by synchronizing your iOS contacts with your LinkedIn connections.
You'll be annoyed if you don't have the ability to do anything with "linkedin ://" URLs" in your address list. You can click on those annoying LinkedIn URLs if Open LinkedIn is installed.
Follow these simple steps to install Open LinkedIn