Back in the first week of October, the boys of Big Bang appeared in various endorsements for the newest addition to Korea's LG / CYON line, the "LG Optimus ONE" smartphone. They were seen taking many photos and also paired up with smurfs for individual CF's. Now, a special behind the scenes / making of video for this endorsement has been released. One video features G-Dragon and T.O.P for their solo CF's, while the other shows all the Big Bang members together. Check them out below: Tip: kendra91