A Singtel logo is pictured at their head office in Singapore February 11, 2016. REUTERS/Edgar Su/File Photo

A Singtel logo is pictured at their head office in Singapore February 11, 2016. REUTERS/Edgar Su/File Photo

A Singtel logo is pictured at their head office in Singapore February 11, 2016. REUTERS/Edgar Su/File Photo

August 18, 2016 12:08 AM (UTC+8)