Vodafone Australia has restored its mobile network following a major network outage this morning.

The outage, on the morning of Thursday, June 18, impacted customers across the country, with ABC reporting that it affected millions of users and lasted for several hours.

The telco traced the cause of the outage to a fault at one of its network hubs that occurred at around 8am.

Users noted that their devices defaulted to SOS mode during the outage, as handsets failed to connect to Vodafone's network.

According to the carrier, a power outage at this particular network hub led to the network issues.

"The issue has been isolated and resolved, and services are now being progressively restored. The disruption was caused by a power outage at one of our network hubs," said Vodafone in one of many updates earlier today, though the carrier didn't specify the location of this hub.

The carrier faced backlash on social media from disgruntled customers, with some users commenting that the outage has impacted their service for seven hours.

Vodafone said that the issue shouldn't have impacted its customers' ability to access Triple Zero (000) during the outage.

Vodafone is a subsidiary of TPG Telecom, following Vodafone Hutchison Australia Limited and TPG Corporation Limited's merger in 2020.

The telcos previously reported a major broadband outage last year after a power failure at its Sydney data center caused disruption to broadband services.