Fans helped NU'EST W get back on track after audio failure.
On August 31, NU'EST W performed at the COEX ConventionExhibition Center in Gangnam. The event was set up to encourage South Korea's national team in their match against Iran for the 'FIFA 2018 Russia World Cup Asia Qualifying Match'.
SEE ALSO: PRISTIN and NU'EST W to perform and cheer for Korea during World Cup Qualifier Match
At the concert, NU'EST W successfully performed several of their songs but ran into technical difficulties while performing ''If You".