Complaints about Optus have also skyrocketed, rising 35 per cent to more than 40,600 complaints last year. Meanwhile, almost half of the complaints about internet quality and 58 per cent of complaints ...

Despite common perceptions, Australia’s most popular phone provider attracted more complaints than its competitors Vodafone and Amaysim, and more than the industry average, in figures released this ...

Optus reveals it received an early warning of Thursday's system failure — which has since been linked to a fourth death — hours before the situation was fixed, but that it did not respond ...