 Before its current brand, it was known as Ultimate Radio 103.5UE, The Spirit of Zamboanga prior to Viva's acquisition.Rebranded as Oomph Radio 103.5, Viva Live started their operations in Zamboanga back in March 2015 and in May 2016, they briefly dropped the Oomph Radio brand and rebranded it again as 103.5UE, The Spirit of Zamboanga (though the station still plays current Top 40 and OPM hits, they also include classic hits of the 70s, 80s and 90s to their playlist).However, in July 2016, Viva Live brought back the Oomph Radio brand and its Top 40/OPM format.