For your convenience online registration, Software updates – Sony KDL-46EX621 User Manual

KDL-32EX729, KDL-55EX723, KDL-40EX723, KDL-46EX723, KDL-60EX723, KDL-46EX720, KDL-40EX729, KDL-55EX720, KDL-55HX729, KDL-55EX621, KDL-55EX620, KDL-65HX729, KDL-40EX621, KDL-46HX729, KDL-46EX620, KDL-40EX720, KDL-46EX729, KDL-60EX720, KDL-32EX720, KDL-40EX620