If the iPad / iPhone is already in the cockpit how is sterility broken? TY for working through this with me :). Edit: using an approved device in an unforseen

If the iPad / iPhone is already in the cockpit how is sterility broken? TY for working through this with me :). Edit: using an approved device in an unforseen way != using an unapproved device. Edit 2: This was reposted / moved to a proper reply.